Population 11,411 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Hamilton Square
Household size in Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 2.98 | 2.77 | 2.68 |
| 2010–14 | 2.90 | 2.82 | 2.73 |
| 2015–19 | 2.86 | 2.78 | 2.71 |
| 2020–24 | 2.61 | 2.76 | 2.65 |
| Change | −0.37 | −0.01 | −0.03 |
At 2.61 people per household, Hamilton Square sits close to the national average of 2.65. The typical household here is smaller than in New Jersey overall, where it has 2.76 people. Household size has dropped from 2.98 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 Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 43.0 | 39.1 | 37.7 |
| 2010–14 | 44.8 | 40.0 | 38.6 |
| 2015–19 | 47.3 | 41.0 | 39.6 |
| 2020–24 | 48.3 | 40.9 | 40.1 |
| Change | +5.3 | +1.8 | +2.3 |
With a median age of 48.3, Hamilton Square is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 43.0, mirroring the country. Of the 415 New Jersey cities with 5,000+ people, only 41 are older.
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 Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 5.0% | 11.6% | 12.3% |
| 2010–14 | 6.4% | 11.8% | 12.3% |
| 2015–19 | 4.7% | 10.8% | 11.6% |
| 2020–24 | 4.1% | 11.3% | 11.6% |
| Change | −0.9 pts | −0.4 pts | −0.6 pts |
Single parents head only 4.1% of households in Hamilton Square, well below the national share of 11.6%. The single-parent share has edged down 0.9 points since 2006–10, mirroring the country. Hamilton Square has a lower share of single-parent households than the great majority of New Jersey cities.
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 Hamilton Square
Renters in Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 2.7% | 33.1% | 33.3% |
| 2010–14 | 4.9% | 35.0% | 35.6% |
| 2015–19 | 5.2% | 36.1% | 36.0% |
| 2020–24 | 10.5% | 36.2% | 34.8% |
| Change | +7.7 pts | +3.1 pts | +1.5 pts |
Hamilton Square is overwhelmingly a place of homeowners: only 10.5% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 36.2% have no mortgage at all, below the national share of 39.8%. The renter share is up 7.7 points from 2006–10, a much bigger shift than nationally.
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 Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 3.1% | 9.1% | 11.4% |
| 2010–14 | 4.0% | 9.3% | 11.4% |
| 2015–19 | 7.6% | 9.3% | 11.1% |
| 2020–24 | 3.6% | 6.6% | 9.6% |
| Change | +0.5 pts | −2.5 pts | −1.8 pts |
Empty homes are scarce in Hamilton Square: just 3.6% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Since 2006–10, vacancy has edged up 0.5 points, even as the national rate fell.
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 Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 1967 | 1965 | 1974 |
| 2010–14 | 1966 | 1966 | 1975 |
| 2015–19 | 1968 | 1967 | 1977 |
| 2020–24 | 1971 | 1969 | 1980 |
| Change | +4 | +5 | +6 |
Hamilton Square is a place of older homes: half were built before 1971, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The median year built has moved up from 1967 in 2006–10, a sign of steady new building. The newest homes are mostly in the south, the oldest in the east.
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 Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | $1,505 | $1,246 | $965 |
| 2010–14 | $1,539 | $1,324 | $1,040 |
| 2015–19 | $1,620 | $1,522 | $1,213 |
| 2020–24 | $1,588 | $1,896 | $1,571 |
| Change | +$83 | +$651 | +$606 |
A typical rental in Hamilton Square costs $1,588 a month with utilities, close to the national median of $1,571. Rents here are lower than in New Jersey overall ($1,896). Rent has climbed $83 a month since 2006–10, up 6%, a slower climb than the nation's. The typical renter here spends 44.1% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.
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 Hamilton Square
Bachelor's degrees in Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 37.2% | 34.7% | 28.4% |
| 2010–14 | 41.5% | 36.4% | 29.6% |
| 2015–19 | 41.6% | 39.6% | 32.1% |
| 2020–24 | 44.2% | 43.4% | 35.6% |
| Change | +7.0 pts | +8.6 pts | +7.2 pts |
More than four in ten adults 25 and older in Hamilton Square (44.2%) have a bachelor's degree or higher, above the national share of 35.6%. The share with a degree has risen 7.0 points since 2006–10, in line with the national trend. College graduates are most concentrated in the west and least in the north.
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 Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 93.1% | 87.0% | 84.9% |
| 2010–14 | 94.8% | 88.1% | 86.1% |
| 2015–19 | 93.9% | 89.5% | 87.7% |
| 2020–24 | 94.4% | 90.2% | 89.3% |
| Change | +1.2 pts | +3.2 pts | +4.3 pts |
High school completion is high in Hamilton Square: 94.4% 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 edged up 1.2 points, a smaller shift than 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 Hamilton Square
| Period | Hamilton Square | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 6.0% | 7.9% | 8.1% |
| 2010–14 | 5.0% | 9.8% | 9.4% |
| 2015–19 | 4.4% | 5.6% | 5.6% |
| 2020–24 | 4.0% | 6.4% | 5.4% |
| Change | −2.0 pts | −1.5 pts | −2.7 pts |
Jobs have been easier to find in Hamilton Square than nationally: unemployment was 4.0%, against 5.4%. Since 2006–10, unemployment has fallen 2.0 points, mirroring the country. 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).
Hamilton Square 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Hamilton Square | 2.61 | 48.3 | 4.1% | 10.5% | 3.6% | 1971 | $1,588 | 44.2% | 94.4% | 4.0% |
| Mercerville | 2.49 | 47.9 | 7.1% | 15.1% | 4.9% | 1962 | $1,711 | 43.6% | 95.3% | 4.1% |
| Yardville | 2.38 | 48.6 | 12.5% | 22.1% | 5.8% | 1964 | $1,745 | 36.1% | 93.3% | 10.1% |
| White Horse | 2.65 | 44.6 | 6.1% | 11.7% | 3.3% | 1957 | $1,771 | 31.0% | 92.4% | 3.6% |
| Windsor | 2.61 | 54.1 | 3.2% | 22.0% | 3.6% | 1976 | $1,865 | 48.0% | 96.1% | 0.0% |
| Trenton | 2.73 | 38.0 | 15.9% | 45.6% | 7.5% | 1964 | $1,612 | 33.6% | 83.6% | 8.3% |
| Princeton Junction | 2.79 | 46.9 | 4.2% | 25.3% | 3.2% | 1987 | $2,515 | 84.4% | 98.3% | 3.1% |
| Penns Neck | 2.71 | 33.6 | 21.5% | 52.8% | 6.7% | 2002 | $2,207 | 81.7% | 95.8% | 7.3% |
| Allentown | 2.75 | 48.4 | 5.9% | 9.1% | 5.5% | 1986 | $1,434 | 56.9% | 96.1% | 7.2% |
| Crosswicks | 3.17 | 37.2 | 11.9% | 5.8% | 4.5% | 1994 | $2,324 | 58.7% | 91.0% | 3.0% |
| Extonville | 2.67 | 56.5 | 6.1% | 3.6% | 3.5% | 1996 | $1,645 | 59.3% | 96.6% | 3.4% |
All figures 2020–24.
Cities with similar populations: Adairsville, GA · Woodmere, NY · Wrentham, MA · Wynne, AR · Yadkinville, NC · Yeadon, PA · Aztec, NM · Avenal, CA · Augusta, KS · Atoka, TN
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 Hamilton Square. 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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