National Park, NJ Demographics

Population 3,183 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
National Park, NJ map of median age by neighborhood
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Population and households in National Park

Household size in National Park

Household size, people per household
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–102.802.642.772.68
2010–142.832.682.822.73
2015–192.712.652.782.71
2020–242.942.572.762.65
Change+0.13−0.07−0.01−0.03
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National Park is a place of big households: 2.94 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has climbed from 2.80 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.

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 National Park

Median age, years
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–1039.938.539.137.7
2010–1439.039.340.038.6
2015–1940.140.341.039.6
2020–2441.440.440.940.1
Change+1.5+1.9+1.8+2.3
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At 41.4, the median age in National Park is close to the national median of 40.1, so its age mix looks much like the country's.

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 National Park

Single-parent households, % of households
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–1010.5%12.2%11.6%12.3%
2010–1415.7%11.8%11.8%12.3%
2015–1911.1%11.7%10.8%11.6%
2020–2415.1%12.1%11.3%11.6%
Change+4.6 pts−0.1 pts−0.4 pts−0.6 pts
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Single parents head just over one in seven households in National Park (15.1%), well above the national share of 11.6%.

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 National Park

Renters in National Park

Renters, % of occupied homes
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–1013.0%30.2%33.1%33.3%
2010–1415.8%32.1%35.0%35.6%
2015–1918.2%32.7%36.1%36.0%
2020–2413.6%33.2%36.2%34.8%
Change+0.7 pts+3.0 pts+3.1 pts+1.5 pts
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National Park is overwhelmingly a place of homeowners: only 13.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 30.1% have no mortgage at all, below the national share of 39.8%.

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 National Park

Vacant homes, % of all homes
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–104.1%9.1%9.1%11.4%
2010–147.3%9.2%9.3%11.4%
2015–196.9%9.0%9.3%11.1%
2020–244.4%6.9%6.6%9.6%
Change+0.3 pts−2.2 pts−2.5 pts−1.8 pts
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Empty homes are scarce in National Park: just 4.4% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.

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 National Park

Age of homes, median year built
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–101954196419651974
2010–141957196519661975
2015–191954196519671977
2020–241951196819691980
Change−3+4+5+6
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National Park is a place of older homes: half were built before 1951, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.

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 National Park

Rent, per month
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–10$1,175$1,049$1,246$965
2010–14$1,195$1,147$1,324$1,040
2015–19$1,109$1,281$1,522$1,213
2020–24$1,412$1,631$1,896$1,571
Change+$237+$582+$651+$606
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Rent in National Park runs $1,412 a month at the median, utilities included, below the U.S. median of $1,571. Rent takes 45.5% of the typical renter's income, 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 National Park

Bachelor's degrees in National Park

Bachelor's degrees, % of adults 25+
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–1012.3%32.7%34.7%28.4%
2010–1411.0%34.4%36.4%29.6%
2015–1914.7%37.9%39.6%32.1%
2020–2415.5%42.3%43.4%35.6%
Change+3.2 pts+9.6 pts+8.6 pts+7.2 pts
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Fewer adults in National Park have a four-year degree than in the country as a whole: 15.5%, against 35.6% nationally.

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 National Park

High school graduates, % of adults 25+
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–1081.5%87.5%87.0%84.9%
2010–1490.0%88.9%88.1%86.1%
2015–1990.6%90.5%89.5%87.7%
2020–2491.5%91.9%90.2%89.3%
Change+9.9 pts+4.4 pts+3.2 pts+4.3 pts
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About nine in ten adults in National Park have finished high school (91.5%), a bit above the national rate of 89.3%. The Philadelphia area as a whole looks much the same.

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 National Park

Unemployment, % of the labor force
PeriodNational ParkPhiladelphia areaNew JerseyU.S.
2006–1010.2%8.4%7.9%8.1%
2010–1412.3%10.2%9.8%9.4%
2015–197.2%6.3%5.6%5.6%
2020–245.8%6.1%6.4%5.4%
Change−4.4 pts−2.3 pts−1.5 pts−2.7 pts
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At 5.8%, unemployment in National Park is close to the national rate of 5.4%. 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).

National Park compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
National Park2.9441.415.1%13.6%4.4%1951$1,41215.5%91.5%5.8%
Thorofare2.4245.112.5%28.5%4.2%1981$1,73832.7%93.6%3.4%
Westville2.2442.916.0%43.4%7.8%1966$1,32520.4%91.5%8.2%
Brooklawn2.0242.913.2%18.4%10.1%1938$1,43913.7%82.9%4.5%
Woodbury2.5741.611.9%26.2%7.2%1968$1,56931.8%93.7%5.5%
Paulsboro2.6340.415.9%38.2%11.3%1964$1,08425.4%90.6%13.0%
Gloucester City2.9433.624.1%43.8%10.1%1945$1,61520.3%87.5%5.1%
Woodbury Heights2.9243.88.1%5.5%4.4%1964$1,41934.4%95.9%2.1%
Bellmawr2.4341.012.7%36.4%4.3%1960$1,24323.4%89.1%4.3%
Mount Ephraim2.4538.69.4%29.2%7.2%1959$1,64927.1%95.1%4.5%
Mount Royal2.7740.19.6%2.1%4.6%2001$1,52848.1%96.7%2.8%

All figures 2020–24.

Cities with similar populations: Carlton, OR · Chimayo, NM · Churchill, PA · Crandall, GA · Thorsby, AL · Park Hills, KY · Parksley, VA · Raceland, KY · Ridgway, CO · Ronks, PA

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 National Park. 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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