In Mercer County there are 8 residential internet providers covering 97.33% of the county. The average home can get speeds up to 3,567 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
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8 Internet Service Providers in Mercer County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Mercer County are not shown.
Mercer County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in Mercer County
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 97.33% of Mercer County. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Optimum. Now you can call companies in Mercer County with more confidence that they might be available.
How fast are internet speeds in Mercer County?
The map below shows maximum internet speeds by area in Mercer County.
Internet Speed Key
The average Mercer County home can get up to 3,567 Mbps on their internet plan. For most people, the fastest download speed in the county is 8,000 Mbps, which 25.91% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Mercer County.
Internet speeds tend to be faster in the southeast parts of Mercer County, and slower in the northeast areas of the county.
What type of internet should I choose in Mercer County?
The fastest internet for you may vary based on where in Mercer County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 75.09% of Mercer County homes.
- Cable is fastest for 22.24% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 2.67% of Mercer County homes.
Internet Market Health in Mercer County
Internet Competition Key
The map shows how competitive the Mercer County internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Mercer County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.0 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.9 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.0 (very healthy)
Overall, competition is healthy.
Mercer County internet customers have the ability to buy internet service from 1 to 9 different providers, depending on where they live. For different types of service, Mercer County homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, fiber, and dsl, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. Mercer County internet customers who want faster speeds have between 1 and 9 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Mercer County is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Mercer County, along with details on where in Mercer County and at what speeds.
EarthLink Fiber in Mercer County, NJ
EarthLink fiber coverage
About 92.06%, or 356,572 people, have EarthLink fiber internet available to them in the county. The company covers the entire Mercer County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, EarthLink fiber is below average. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 1,762 Mbps.
Show all download speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 940.0 Mbps
EarthLink fiber upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and below average compared to other Mercer County fiber providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,746 Mbps.
Show all upload speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 880.0 Mbps
Verizon Fiber in Mercer County, NJ
Verizon fiber coverage
About 92.06%, or 356,572 people, have Verizon fiber internet available to them in the county. The company covers the entire Mercer County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer County.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Verizon fiber is below average. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 1,762 Mbps.
Show all download speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 940.0 Mbps
Verizon fiber upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and below average compared to other Mercer County fiber providers. Verizon offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,746 Mbps.
Show all upload speeds
- 74.2% up to 2,048.0 Mbps
- 25.8% up to 880.0 Mbps
XFINITY from Comcast Cable in Mercer County, NJ
XFINITY cable coverage
About 74.33%, or 287,905 people, have XFINITY cable internet available to them in the county. The company covers the entire Mercer County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of Mercer County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Mercer County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 1,804 Mbps.
Show all download speeds
- 75.5% up to 2,000.0 Mbps
- 24.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Mercer County cable providers. XFINITY offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 197 Mbps.
Show all upload speeds
- 75.5% up to 250.0 Mbps
- 24.5% up to 35.0 Mbps
Optimum Cable in Mercer County, NJ
Optimum cable coverage
About 33.36%, or 129,224 people, have Optimum cable internet available to them in the county. The company covers the entire Mercer County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Mercer County.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Mercer County. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Optimum goes up to 940 Mbps, and all Mercer County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the slowest compared to other Mercer County cable providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Optimum Fiber in Mercer County, NJ
Optimum fiber coverage
About 25.91%, or 100,376 people, have Optimum fiber internet available to them in the county. The company covers the south, central, southeast, east, southwest, north, west, and northeast Mercer County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Mercer County.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Optimum goes up to 8,000 Mbps, and all Mercer County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Mercer County download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is the fastest where upload speeds are concerned, and the fastest compared to other Mercer County fiber providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Mercer County, NJ
T-Mobile Home Internet fixed wireless coverage
About 86.16%, or 333,730 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Mercer County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Mercer County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Mercer County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 66 Mbps.
Show all download speeds
- 54.2% up to 100.0 Mbps
- 45.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other Mercer County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 12 Mbps.
Show all upload speeds
- 54.2% up to 20.0 Mbps
- 45.8% up to 3.0 Mbps
EarthLink Fixed Wireless in Mercer County, NJ
EarthLink fixed wireless coverage
About 79.87%, or 309,385 people, have EarthLink fixed wireless internet available to them in the county. The company covers the entire Mercer County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Mercer County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Mercer County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 47 Mbps.
Show all download speeds
- 29.6% up to 100.0 Mbps
- 70.4% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Mercer County fixed wireless providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 8.0 Mbps.
Show all upload speeds
- 29.6% up to 20.0 Mbps
- 70.4% up to 3.0 Mbps
AT&T Fixed Wireless in Mercer County, NJ
AT&T fixed wireless coverage
About 79.87%, or 309,385 people, have AT&T fixed wireless internet available to them in the county. The company covers the entire Mercer County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Mercer County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Mercer County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 47 Mbps.
Show all download speeds
- 29.6% up to 100.0 Mbps
- 70.4% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Mercer County fixed wireless providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 8.0 Mbps.
Show all upload speeds
- 29.6% up to 20.0 Mbps
- 70.4% up to 3.0 Mbps
Verizon Fixed Wireless in Mercer County, NJ
Verizon fixed wireless coverage
About 22.38%, or 86,688 people, have Verizon fixed wireless internet available to them in the county. The company covers the entire Mercer County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Mercer County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Mercer County. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are 2 different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the county-wide average maximum speed for Mercer County customers is up to 328 Mbps.
Show all download speeds
- 4.0% up to 1,000.0 Mbps
- 96.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Mercer County download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other Mercer County fixed wireless providers. Verizon offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Mercer County is up to 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 22 Mbps.
Show all upload speeds
- 4.0% up to 75.0 Mbps
- 96.0% up to 20.0 Mbps
Mercer County Internet by Area
This information is most helpful to those looking for homes or considering moving to Mercer County or any of the areas nearby.
How does internet in Mercer County compare to the rest of New Jersey?
Internet speeds in Mercer County are slower versus the average speeds in New Jersey: 4,388 Mbps in New Jersey versus 3,567 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in New Jersey is 99.05% versus 97.33% in Mercer County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Mercer County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Bucks County, PA: more internet coverage, slower speeds
- Monmouth County, NJ: more internet coverage, faster speeds
- Montgomery County, PA: more internet coverage, slower speeds
- Berks County, PA: more internet coverage, faster speeds
- Lebanon County, PA: more internet coverage, slower speeds
- Dauphin County, PA: more internet coverage, slower speeds
- Cumberland County, PA: more internet coverage, slower speeds
- Westmoreland County, PA: more internet coverage, slower speeds
- Washington County, PA: more internet coverage, slower speeds
- Brooke County, WV: more internet coverage, slower speeds
Counties with Similar Populations
- Manatee County, FL: more internet coverage, faster speeds
- Rockingham County, NH: more internet coverage, slower speeds
- Richland County, SC: less internet coverage, slower speeds
- Pulaski County, AR: more internet coverage, faster speeds
- Prince William County, VA: more internet coverage, slower speeds
- Placer County, CA: more internet coverage, slower speeds
- Pinal County, AZ: more internet coverage, faster speeds
- Ottawa County, MI: more internet coverage, slower speeds
- Orleans Parish, LA: more internet coverage, slower speeds
- Orange County, NY: more internet coverage, faster speeds