Population 21,973 · Census ACS 2020–24
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Population and households in Princeton Junction
Household size in Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 3.09 | 2.77 | 2.68 |
| 2010–14 | 2.93 | 2.82 | 2.73 |
| 2015–19 | 2.90 | 2.78 | 2.71 |
| 2020–24 | 2.79 | 2.76 | 2.65 |
| Change | −0.30 | −0.01 | −0.03 |
Households in Princeton Junction average 2.79 people, a bit above the national 2.65, so families with children are somewhat more common here. Since 2006–10, household size has dropped from 3.09, a much bigger shift than nationally. Households are largest in the center and smallest in the northwest.
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 Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 40.6 | 39.1 | 37.7 |
| 2010–14 | 43.1 | 40.0 | 38.6 |
| 2015–19 | 44.5 | 41.0 | 39.6 |
| 2020–24 | 46.9 | 40.9 | 40.1 |
| Change | +6.4 | +1.8 | +2.3 |
Princeton Junction skews older: half of its residents are older than 46.9, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 40.6 in 2006–10, in line with the national trend.
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 Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 5.6% | 11.6% | 12.3% |
| 2010–14 | 3.7% | 11.8% | 12.3% |
| 2015–19 | 5.3% | 10.8% | 11.6% |
| 2020–24 | 4.2% | 11.3% | 11.6% |
| Change | −1.4 pts | −0.4 pts | −0.6 pts |
Single parents head only 4.2% of households in Princeton Junction, well below the national share of 11.6%. The single-parent share has edged down 1.4 points since 2006–10, mirroring the country. Princeton Junction has a lower share of single-parent households than at least four in five 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 Princeton Junction
Renters in Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 16.6% | 33.1% | 33.3% |
| 2010–14 | 20.1% | 35.0% | 35.6% |
| 2015–19 | 19.9% | 36.1% | 36.0% |
| 2020–24 | 25.3% | 36.2% | 34.8% |
| Change | +8.7 pts | +3.1 pts | +1.5 pts |
Most households in Princeton Junction own their homes; 25.3% rent, below the national share of 34.8%. More than a third of owners (36.2%) have paid off their mortgages, below the national share of 39.8%. Renting is most common in the northwest and least common in the northeast. The renter share has risen 8.7 points since 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 Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 8.2% | 9.1% | 11.4% |
| 2010–14 | 4.0% | 9.3% | 11.4% |
| 2015–19 | 7.0% | 9.3% | 11.1% |
| 2020–24 | 3.2% | 6.6% | 9.6% |
| Change | −5.0 pts | −2.5 pts | −1.8 pts |
Only 3.2% of homes in Princeton Junction are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Vacancy has fallen 5.0 points since 2006–10, in line with the national trend. Princeton Junction has a lower vacancy rate than the great majority of New Jersey cities.
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 Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 1986 | 1965 | 1974 |
| 2010–14 | 1987 | 1966 | 1975 |
| 2015–19 | 1988 | 1967 | 1977 |
| 2020–24 | 1987 | 1969 | 1980 |
| Change | +1 | +5 | +6 |
The housing in Princeton Junction is younger than the country's: half of it was built after 1987, against 1980 nationally. The newest homes are mostly in the west, the oldest in the north. Only 40 of the 415 New Jersey cities with 5,000+ people have newer homes.
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 Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | $1,448 | $1,246 | $965 |
| 2010–14 | $1,424 | $1,324 | $1,040 |
| 2015–19 | $1,905 | $1,522 | $1,213 |
| 2020–24 | $2,515 | $1,896 | $1,571 |
| Change | +$1,067 | +$651 | +$606 |
Rent in Princeton Junction runs $2,515 a month at the median, utilities included, well above the U.S. median of $1,571. Rent has climbed $1,067 a month since 2006–10, up 74%, faster than rents rose nationally. The typical renter here spends 25.0% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. The priciest rents are in the south; the most affordable are in the north.
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 Princeton Junction
Bachelor's degrees in Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 74.1% | 34.7% | 28.4% |
| 2010–14 | 78.9% | 36.4% | 29.6% |
| 2015–19 | 82.0% | 39.6% | 32.1% |
| 2020–24 | 84.4% | 43.4% | 35.6% |
| Change | +10.3 pts | +8.6 pts | +7.2 pts |
Princeton Junction is highly educated: just over eight in ten adults 25 and older (84.4%) hold at least a bachelor's degree, far above the national share of 35.6%. The share with a degree has risen 10.3 points since 2006–10, mirroring the country. Only four of the 415 New Jersey cities with 5,000+ people have a higher share of college graduates.
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 Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 97.3% | 87.0% | 84.9% |
| 2010–14 | 97.1% | 88.1% | 86.1% |
| 2015–19 | 98.3% | 89.5% | 87.7% |
| 2020–24 | 98.3% | 90.2% | 89.3% |
| Change | +1.1 pts | +3.2 pts | +4.3 pts |
Finishing high school is nearly universal in Princeton Junction: 98.3% 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 edged up 1.1 points, a smaller shift than nationally. Of the 415 New Jersey cities with 5,000+ people, only 22 have a higher share of high school graduates.
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 Princeton Junction
| Period | Princeton Junction | New Jersey | U.S. |
|---|---|---|---|
| 2006–10 | 7.8% | 7.9% | 8.1% |
| 2010–14 | 6.1% | 9.8% | 9.4% |
| 2015–19 | 5.5% | 5.6% | 5.6% |
| 2020–24 | 3.1% | 6.4% | 5.4% |
| Change | −4.7 pts | −1.5 pts | −2.7 pts |
The job market in Princeton Junction has been strong: just 3.1% of the labor force was out of work and looking, well below the national rate of 5.4%. Only 27 of the 415 New Jersey cities with 5,000+ people have lower unemployment. Unemployment has fallen 4.7 points since 2006–10, as it has nationally.
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).
Princeton Junction 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Windsor | 2.61 | 54.1 | 3.2% | 22.0% | 3.6% | 1976 | $1,865 | 48.0% | 96.1% | 0.0% |
| Plainsboro | 2.94 | 46.2 | 4.1% | 18.9% | 4.1% | 1992 | $2,229 | 84.5% | 97.0% | 2.3% |
| Princeton Meadows | 2.49 | 35.9 | 6.3% | 69.3% | 2.8% | 1985 | $2,022 | 79.1% | 98.4% | 4.6% |
| Cranbury | 2.60 | 51.5 | 5.6% | 30.9% | 3.8% | 1986 | $1,801 | 59.9% | 96.3% | 3.5% |
| Hamilton Square | 2.61 | 48.3 | 4.1% | 10.5% | 3.6% | 1971 | $1,588 | 44.2% | 94.4% | 4.0% |
| Princeton | 2.56 | 40.2 | 7.0% | 38.1% | 7.8% | 1977 | $2,272 | 83.3% | 97.1% | 4.4% |
| Hightstown | 2.68 | 41.1 | 8.3% | 34.8% | 4.5% | 1973 | $1,726 | 43.8% | 90.2% | 5.0% |
| Mercerville | 2.49 | 47.9 | 7.1% | 15.1% | 4.9% | 1962 | $1,711 | 43.6% | 95.3% | 4.1% |
| East Windsor | 2.60 | 41.6 | 8.9% | 22.8% | 5.7% | 1977 | $1,888 | 45.9% | 95.3% | 2.9% |
All figures 2020–24.
Cities with similar populations: Sunnyside, WA · Elmwood Park, NJ · Enumclaw, WA · Essex, VT · Ferndale, MI · Florida City, FL · Florida Ridge, FL · Sun Valley, NV · Sunny Isles Beach, FL · Ellijay, GA
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 Princeton Junction. 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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