Population 645,353 · Census ACS 2020–24
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Population and households in Monmouth County
Household size in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.77 | 2.79 | 2.77 | 2.68 |
| 2010–14 | 2.75 | 2.85 | 2.82 | 2.73 |
| 2015–19 | 2.71 | 2.82 | 2.78 | 2.71 |
| 2020–24 | 2.65 | 2.79 | 2.76 | 2.65 |
| Change | −0.12 | −0.00 | −0.01 | −0.03 |
Households in Monmouth County average 2.65 people, the same as the country as a whole. The typical household here is smaller than in the New York area overall, where it has 2.79 people. Household size has dropped from 2.77 in 2006–10, a much bigger shift than nationally.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 41.1 | 38.0 | 39.1 | 37.7 |
| 2010–14 | 42.4 | 38.7 | 40.0 | 38.6 |
| 2015–19 | 43.7 | 39.8 | 41.0 | 39.6 |
| 2020–24 | 44.0 | 40.4 | 40.9 | 40.1 |
| Change | +2.9 | +2.4 | +1.8 | +2.3 |
Monmouth County skews older than the country: its median age is 44.0, against 40.1 nationally. Since 2006–10, the median age has climbed from 41.1, mirroring the country. The youngest areas are in the east, the oldest in the center.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.5% | 13.1% | 11.6% | 12.3% |
| 2010–14 | 8.9% | 12.8% | 11.8% | 12.3% |
| 2015–19 | 7.7% | 11.4% | 10.8% | 11.6% |
| 2020–24 | 7.8% | 11.6% | 11.3% | 11.6% |
| Change | −0.7 pts | −1.5 pts | −0.4 pts | −0.6 pts |
Single-parent households are relatively rare in Monmouth County: 7.8% of households, against 11.6% nationally. Since 2006–10, the single-parent share has edged down 0.7 points, mirroring the country. Of New Jersey's 21 counties, only two have a lower share of single-parent households.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Monmouth County
Renters in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 24.1% | 47.1% | 33.1% | 33.3% |
| 2010–14 | 25.2% | 48.7% | 35.0% | 35.6% |
| 2015–19 | 26.2% | 48.8% | 36.1% | 36.0% |
| 2020–24 | 24.4% | 48.6% | 36.2% | 34.8% |
| Change | +0.3 pts | +1.5 pts | +3.1 pts | +1.5 pts |
Only 24.4% of households in Monmouth County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 36.9% have no mortgage at all, about the same as nationally. Rentals cluster in the east; owners are most common in the southwest.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.8% | 9.1% | 9.1% | 11.4% |
| 2010–14 | 8.7% | 9.0% | 9.3% | 11.4% |
| 2015–19 | 9.2% | 9.1% | 9.3% | 11.1% |
| 2020–24 | 6.8% | 7.9% | 6.6% | 9.6% |
| Change | −2.0 pts | −1.2 pts | −2.5 pts | −1.8 pts |
Vacancy is on the low side in Monmouth County: 6.8% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The New York area as a whole looks much the same. Vacancy is down 2.0 points from 2006–10, as it has nationally.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 1970 | 1957 | 1965 | 1974 |
| 2010–14 | 1971 | 1958 | 1966 | 1975 |
| 2015–19 | 1972 | 1959 | 1967 | 1977 |
| 2020–24 | 1974 | 1962 | 1969 | 1980 |
| Change | +4 | +5 | +5 | +6 |
Homes in Monmouth County run older than the national norm, with a median build year of 1974 against 1980. Still, homes here are newer than in the New York area as a whole, where the median home dates to 1962. The median year built has moved up from 1970 in 2006–10, a sign of steady new building. Newer construction is concentrated in the southwest, while the southeast has the oldest housing.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,342 | $1,268 | $1,246 | $965 |
| 2010–14 | $1,414 | $1,377 | $1,324 | $1,040 |
| 2015–19 | $1,622 | $1,645 | $1,522 | $1,213 |
| 2020–24 | $2,113 | $2,060 | $1,896 | $1,571 |
| Change | +$771 | +$792 | +$651 | +$606 |
The median renter in Monmouth County pays $2,113 a month for rent and utilities, well above the national median of $1,571. Rent has climbed $771 a month since 2006–10, up 57%, a slower climb than the nation's. The typical renter here spends 33.7% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Rents run highest in the northeast and lowest in the southeast.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Monmouth County
Bachelor's degrees in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 39.3% | 35.0% | 34.7% | 28.4% |
| 2010–14 | 42.2% | 36.7% | 36.4% | 29.6% |
| 2015–19 | 46.1% | 39.9% | 39.6% | 32.1% |
| 2020–24 | 51.0% | 43.6% | 43.4% | 35.6% |
| Change | +11.7 pts | +8.6 pts | +8.6 pts | +7.2 pts |
College graduates are unusually common in Monmouth County: 51.0% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. Since 2006–10, the share with a degree has risen 11.7 points, mirroring the country.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 91.2% | 83.7% | 87.0% | 84.9% |
| 2010–14 | 92.6% | 84.6% | 88.1% | 86.1% |
| 2015–19 | 93.4% | 86.2% | 89.5% | 87.7% |
| 2020–24 | 93.9% | 86.9% | 90.2% | 89.3% |
| Change | +2.7 pts | +3.3 pts | +3.2 pts | +4.3 pts |
High school completion in Monmouth County is above the national rate: 93.9% of adults have a diploma, against 89.3%. The share with a diploma is up 2.7 points from 2006–10, as it has nationally.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Monmouth County
| Period | Monmouth County | New York area | New Jersey | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.7% | 7.9% | 7.9% | 8.1% |
| 2010–14 | 8.5% | 9.5% | 9.8% | 9.4% |
| 2015–19 | 4.9% | 5.7% | 5.6% | 5.6% |
| 2020–24 | 5.3% | 6.9% | 6.4% | 5.4% |
| Change | −1.4 pts | −0.9 pts | −1.5 pts | −2.7 pts |
At 5.3%, unemployment in Monmouth County is close to the national rate of 5.4%. The rate is lower than in the New York area as a whole (6.9%). Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Monmouth County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Monmouth County | 2.65 | 44.0 | 7.8% | 24.4% | 6.8% | 1974 | $2,113 | 51.0% | 93.9% | 5.3% |
| Mercer County | 2.68 | 40.3 | 12.3% | 37.8% | 6.7% | 1967 | $1,780 | 45.3% | 88.4% | 6.6% |
| Bucks County | 2.62 | 44.8 | 8.0% | 22.2% | 4.2% | 1975 | $1,800 | 44.8% | 94.9% | 4.3% |
| Montgomery County | 2.57 | 42.2 | 8.1% | 28.6% | 5.6% | 1971 | $1,793 | 53.7% | 95.0% | 4.4% |
| Berks County | 2.64 | 40.8 | 13.2% | 28.7% | 5.9% | 1967 | $1,310 | 26.6% | 87.4% | 6.0% |
| Lebanon County | 2.53 | 41.5 | 10.0% | 28.7% | 6.6% | 1971 | $1,242 | 24.6% | 88.2% | 4.2% |
| Dauphin County | 2.43 | 39.7 | 12.3% | 36.9% | 6.2% | 1971 | $1,286 | 33.6% | 90.5% | 5.0% |
| Cumberland County | 2.45 | 41.2 | 8.0% | 28.7% | 6.6% | 1978 | $1,389 | 41.0% | 93.7% | 3.5% |
| Westmoreland County | 2.26 | 47.1 | 8.1% | 21.6% | 8.4% | 1966 | $990 | 33.0% | 95.6% | 4.7% |
| Washington County | 2.36 | 44.5 | 8.0% | 23.9% | 10.6% | 1969 | $1,098 | 33.9% | 94.6% | 4.8% |
| Brooke County | 2.19 | 47.2 | 8.1% | 25.4% | 9.2% | 1964 | $696 | 23.4% | 93.4% | 6.3% |
All figures 2020–24.
Counties with similar populations: Arapahoe County, CO · Lake County, IL · Kent County, MI · Johnson County, KS · Jefferson County, AL · Jackson County, MO · Hudson County, NJ · El Paso County, CO · District of Columbia, DC · Denver County, CO
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Monmouth County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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