Noise Levels in 34209, FL | Find Quiet Neighborhoods With Our Sound Map
51 dBA
Average noise across 34209
Quiet office to normal conversation
7,865
Residents above the EPA 55 dBA threshold
26% of 34209 residents
70 dBA
Loudest residential point
Highway traffic 50 ft away
This map shows modeled outdoor noise across 34209 at 100-meter resolution, combining road, aviation, and rail sources. Green areas measure below 45 dBA. Orange and red exceed the EPA's 55 dBA outdoor threshold linked to long-term health effects. Use the layer toggles to view each source on its own or all together.
What the numbers sound like
- 30 dBAWhisper
- 40 dBASoft rainfall
- 45 dBAQuiet suburban street at night
- 50 dBAQuiet office
- 55 dBAEPA outdoor threshold: light traffic 100 ft away
- 60 dBANormal conversation an arm's length away
- 65 dBABusy restaurant
- 70 dBAHighway traffic 50 ft away
- 80 dBACity bus interior
Population Above the EPA Outdoor Threshold
The EPA's 55 dBA outdoor reference level is a common benchmark for residential noise exposure, especially for activity interference, annoyance, and long-term community noise concerns. About 7,865 34209 residents, or 26.4%, live above that level. By land area, 36.3% of 34209 is above 55 dBA.
63.7% below 55 dBA
36.3% above 55 dBA
See how noise in 34209 compares to similar-sized zip codes.
Noise by Part of 34209
Average noise levels for 34209 residents, grouped by direction from the center of 34209. The highest population-weighted average is in northeastern 34209; the lowest is in western 34209, where just 6% of residents live in blocks above the EPA's 55 dBA threshold, a fifth of the share in the loudest section.
Northeastern 34209
56.1 dBA · Moderate-loud
Normal conversation an arm’s length away
Southeastern 34209
56.0 dBA · Moderate-loud
Quiet office to normal conversation
Eastern 34209
52.7 dBA · Moderate
Quiet office to normal conversation
Northwestern 34209
48.4 dBA · Mostly quiet
Quiet office
Western 34209
47.4 dBA · Mostly quiet
Quiet office
To the human ear, noise in northeastern 34209 sounds about 83% louder than in western 34209, a 8.7 dBA gap. Every 10 dBA roughly doubles perceived loudness. Within any of these directions, two homes a quarter mile apart can still differ by 10 or more dBA depending on how close they sit to a major highway.
How far back from Manatee Ave do you need to be?
Manatee Ave produces an estimated 67 dBA at its loudest centerline points. Noise drops logarithmically with distance, with the exact rate depending on what's between you and the road. Tree cover, walls, terrain, and pavement type all matter. At roughly a quarter mile back, traffic fades into the noise level of a soft rainfall.
At source
67 dBA
Highway traffic 50 ft away
165 ft
55 dBA
Quiet office to normal conversation
330 ft
47 dBA
Quiet office
660 ft
40 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 14% of 34209 sits under tree canopy (lighter than most zip codes) and roughly 44% is impervious surface like pavement and rooftops. Both are folded into the per-place decay rate above. Heavier canopy pulls noise down faster with distance; impervious surfaces slow the drop.
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Airport Noise
Sarasota/Bradenton International (SRQ) sits southeast of 34209. The U.S. Department of Transportation models aviation noise around this airport from federal traffic data, and the model uses those federal measurements rather than synthetic predictions.
Blocks under the approach and departure paths carry combined road-plus-aviation noise, with some exceeding 55 dBA on the map's Overall layer. Blocks on the opposite side of 34209, particularly to the northwest, show no measurable aviation contribution. Use the Aviation toggle on the map above to isolate the airport's footprint.
How Noise Is Distributed Across 34209
The bar chart below shows the share of 34209 residents in each noise band. About 80% of residents live below the EPA's 55 dBA threshold, and roughly 3% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How 34209 Compares
34209 sits at the quieter end of the spectrum. Below: how 34209's average outdoor noise and share of residents above the EPA threshold compare with 34205, 34207, 34208, and 34203.
Average noise level (dBA)
34209's 51.4 dBA pop-weighted average is at the quieter end of the spectrum. Florida as a whole averages 51.6 dBA and the U.S. averages 52.0 dBA. Both are lower than 34209 because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 26.4% of 34209 residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's in the middle of its peer group. Measured by land area instead, 36.3% of 34209's footprint sits above 55 dBA, against a Florida average of 31.8% and a national average of 28.1%.
What This Means if You're Moving to 34209
- Distance from highways matters more than the neighborhood name. Two homes in the same zip code can differ by 20 dBA if one sits 100 meters from Manatee Ave and the other 500 meters away. The model captures this at 100-meter resolution, so noise exposure changes block by block.
- Tree canopy can help reduce modeled noise exposure. Roughly 14% of 34209 is under tree cover (lighter than most zip codes), and the dominant land cover is low-intensity developed land. Both are measured from federal USDA Forest Service and USGS satellite imagery at 30-meter resolution. Streets with 60% or higher canopy show 3 to 5 dBA lower noise than comparable streets with bare ground or pavement, which is why the per-place decay rate above already accounts for it.
- Airport noise is directional. Sarasota/Bradenton International's approach paths concentrate aviation noise to the southeast. Neighborhoods to the northwest of downtown show no measurable contribution from the airport.
