Population 14,111 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Mercerville
Household size in Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 2.57 | 2.77 | 2.68 |
| 2010–14 | 2.58 | 2.82 | 2.73 |
| 2015–19 | 2.60 | 2.78 | 2.71 |
| 2020–24 | 2.49 | 2.76 | 2.65 |
| Change | −0.09 | −0.01 | −0.03 |
The average household in Mercerville has 2.49 people, under the U.S. average of 2.65. Since 2006–10, household size has edged down from 2.57, mirroring the country. The biggest households, usually families with children, are concentrated in the southeast.
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 Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 44.2 | 39.1 | 37.7 |
| 2010–14 | 45.9 | 40.0 | 38.6 |
| 2015–19 | 45.9 | 41.0 | 39.6 |
| 2020–24 | 47.9 | 40.9 | 40.1 |
| Change | +3.6 | +1.8 | +2.3 |
With a median age of 47.9, Mercerville is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 44.2 in 2006–10, mirroring the country. Mercerville is older than at least four in five New Jersey cities.
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 Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 6.3% | 11.6% | 12.3% |
| 2010–14 | 7.1% | 11.8% | 12.3% |
| 2015–19 | 6.3% | 10.8% | 11.6% |
| 2020–24 | 7.1% | 11.3% | 11.6% |
| Change | +0.8 pts | −0.4 pts | −0.6 pts |
Single-parent households are relatively rare in Mercerville: 7.1% of households, against 11.6% nationally. The single-parent share has edged up 0.8 points since 2006–10, even as the national share fell.
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 Mercerville
Renters in Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 19.1% | 33.1% | 33.3% |
| 2010–14 | 18.4% | 35.0% | 35.6% |
| 2015–19 | 21.3% | 36.1% | 36.0% |
| 2020–24 | 15.1% | 36.2% | 34.8% |
| Change | −4.0 pts | +3.1 pts | +1.5 pts |
Only 15.1% of households in Mercerville rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 27.9% have no mortgage at all, well below the national share of 39.8%. Rentals cluster in the southwest; owners are most common in the east. The renter share is down 4.0 points from 2006–10, even as the national share rose.
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 Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 6.3% | 9.1% | 11.4% |
| 2010–14 | 4.4% | 9.3% | 11.4% |
| 2015–19 | 7.5% | 9.3% | 11.1% |
| 2020–24 | 4.9% | 6.6% | 9.6% |
| Change | −1.5 pts | −2.5 pts | −1.8 pts |
Empty homes are scarce in Mercerville: just 4.9% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Vacancy has edged down 1.5 points since 2006–10, in line with the national trend.
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 Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 1961 | 1965 | 1974 |
| 2010–14 | 1962 | 1966 | 1975 |
| 2015–19 | 1963 | 1967 | 1977 |
| 2020–24 | 1962 | 1969 | 1980 |
| Change | +2 | +5 | +6 |
The housing in Mercerville is old by national standards: the median home dates to 1962, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Newer construction is concentrated in the southeast, while the center 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 Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | $1,048 | $1,246 | $965 |
| 2010–14 | $1,112 | $1,324 | $1,040 |
| 2015–19 | $1,470 | $1,522 | $1,213 |
| 2020–24 | $1,711 | $1,896 | $1,571 |
| Change | +$664 | +$651 | +$606 |
The median renter in Mercerville pays $1,711 a month for rent and utilities, above the national median of $1,571. Even so, rents here are lower than in New Jersey overall ($1,896). Rents are up $664 a month from 2006–10, a 63% jump, roughly in step with the nation. Rent takes 25.1% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.
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 Mercerville
Bachelor's degrees in Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 28.1% | 34.7% | 28.4% |
| 2010–14 | 29.9% | 36.4% | 29.6% |
| 2015–19 | 36.1% | 39.6% | 32.1% |
| 2020–24 | 43.6% | 43.4% | 35.6% |
| Change | +15.6 pts | +8.6 pts | +7.2 pts |
College degrees are more common in Mercerville than nationally: 43.6% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree is up 15.6 points from 2006–10, in line with the national trend. College graduates are most concentrated in the southeast and least in the west.
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 Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 91.0% | 87.0% | 84.9% |
| 2010–14 | 91.8% | 88.1% | 86.1% |
| 2015–19 | 93.4% | 89.5% | 87.7% |
| 2020–24 | 95.3% | 90.2% | 89.3% |
| Change | +4.3 pts | +3.2 pts | +4.3 pts |
High school completion is high in Mercerville: 95.3% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has risen 4.3 points, mirroring the country.
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 Mercerville
| Period | Mercerville | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 5.2% | 7.9% | 8.1% |
| 2010–14 | 8.0% | 9.8% | 9.4% |
| 2015–19 | 4.8% | 5.6% | 5.6% |
| 2020–24 | 4.1% | 6.4% | 5.4% |
| Change | −1.1 pts | −1.5 pts | −2.7 pts |
Unemployment in Mercerville runs below the national rate: 4.1% of the labor force was out of work and looking, against 5.4% nationally. Unemployment is down 1.1 points from 2006–10, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).
Mercerville compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Mercerville | 2.49 | 47.9 | 7.1% | 15.1% | 4.9% | 1962 | $1,711 | 43.6% | 95.3% | 4.1% |
| Hamilton Square | 2.61 | 48.3 | 4.1% | 10.5% | 3.6% | 1971 | $1,588 | 44.2% | 94.4% | 4.0% |
| Trenton | 2.73 | 38.0 | 15.9% | 45.6% | 7.5% | 1964 | $1,612 | 33.6% | 83.6% | 8.3% |
| White Horse | 2.65 | 44.6 | 6.1% | 11.7% | 3.3% | 1957 | $1,771 | 31.0% | 92.4% | 3.6% |
| Yardville | 2.38 | 48.6 | 12.5% | 22.1% | 5.8% | 1964 | $1,745 | 36.1% | 93.3% | 10.1% |
| Princeton Junction | 2.79 | 46.9 | 4.2% | 25.3% | 3.2% | 1987 | $2,515 | 84.4% | 98.3% | 3.1% |
| Windsor | 2.61 | 54.1 | 3.2% | 22.0% | 3.6% | 1976 | $1,865 | 48.0% | 96.1% | 0.0% |
| Penns Neck | 2.71 | 33.6 | 21.5% | 52.8% | 6.7% | 2002 | $2,207 | 81.7% | 95.8% | 7.3% |
| Crosswicks | 3.17 | 37.2 | 11.9% | 5.8% | 4.5% | 1994 | $2,324 | 58.7% | 91.0% | 3.0% |
| Fieldsboro | 3.04 | 31.1 | 16.3% | 25.8% | 12.8% | 1964 | $2,127 | 25.1% | 93.2% | 2.5% |
| Bordentown | 2.65 | 42.0 | 9.6% | 30.7% | 6.4% | 1974 | $1,861 | 45.0% | 94.9% | 5.6% |
All figures 2020–24.
Cities with similar populations: Platteville, WI · Northlake, IL · Oakland, NJ · Patchogue, NY · Pella, IA · Piedmont, OK · Pinson, AL · Plainwell, MI · Plano, IL · North Valley Stream, NY
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 Mercerville. 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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