Stewartsville, NJ Demographics

Population 5,867 · Census ACS 2020–24

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

Household size in Stewartsville

Household size, people per household
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–103.032.552.772.68
2010–143.072.602.822.73
2015–192.822.572.782.71
2020–242.862.562.762.65
Change−0.16+0.01−0.01−0.03
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The typical household in Stewartsville holds 2.86 people, more than the U.S. average of 2.65. Since 2006–10, household size has dropped from 3.03, a much bigger shift than nationally. Households are largest in the south and smallest in the north.

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 Stewartsville

Median age, years
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–1037.840.739.137.7
2010–1439.941.640.038.6
2015–1945.342.341.039.6
2020–2443.842.340.940.1
Change+6.0+1.6+1.8+2.3
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Stewartsville skews older than the country: its median age is 43.8, against 40.1 nationally. Since 2006–10, the median age has climbed from 37.8, in line with the national trend. Residents skew youngest in the southwest and oldest in the north.

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 Stewartsville

Single-parent households, % of households
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–108.5%10.8%11.6%12.3%
2010–148.1%11.0%11.8%12.3%
2015–199.8%11.4%10.8%11.6%
2020–244.6%11.5%11.3%11.6%
Change−3.9 pts+0.7 pts−0.4 pts−0.6 pts
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Single parents head only 4.6% of households in Stewartsville, well below the national share of 11.6%. The single-parent share is down 3.9 points from 2006–10, a much bigger shift than nationally. Stewartsville 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 Stewartsville

Renters in Stewartsville

Renters, % of occupied homes
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–109.8%26.9%33.1%33.3%
2010–1413.6%29.3%35.0%35.6%
2015–1918.3%31.2%36.1%36.0%
2020–246.8%30.3%36.2%34.8%
Change−3.0 pts+3.4 pts+3.1 pts+1.5 pts
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Stewartsville is overwhelmingly a place of homeowners: only 6.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 30.4% have no mortgage at all, below the national share of 39.8%. The renter share has fallen 3.0 points since 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 Stewartsville

Vacant homes, % of all homes
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–106.2%8.0%9.1%11.4%
2010–149.7%8.6%9.3%11.4%
2015–192.9%8.3%9.3%11.1%
2020–241.4%6.5%6.6%9.6%
Change−4.8 pts−1.5 pts−2.5 pts−1.8 pts
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Only 1.4% of homes in Stewartsville are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Vacancy has fallen 4.8 points since 2006–10, as it has nationally. Only five of the 415 New Jersey cities with 5,000+ people have a lower vacancy rate.

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 Stewartsville

Age of homes, median year built
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–101990196519651974
2010–141989196719661975
2015–191988196719671977
2020–241992196919691980
Change+2+3+5+6
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Much of the housing in Stewartsville is relatively new: half of its homes were built after 1992, compared with 1980 for the U.S. as a whole. Newer construction is concentrated in the west, while the east has the oldest housing. Only 18 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 Stewartsville

Rent, per month
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–10$1,005$928$1,246$965
2010–14$1,607$1,020$1,324$1,040
2015–19$1,570$1,170$1,522$1,213
2020–24$2,211$1,504$1,896$1,571
Change+$1,206+$576+$651+$606
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Rent in Stewartsville runs $2,211 a month at the median, utilities included, well above the U.S. median of $1,571. Rents are up $1,206 a month from 2006–10, a 120% jump, faster than rents rose nationally. Rent takes 28.0% of the typical renter's income, just 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 Stewartsville

Bachelor's degrees in Stewartsville

Bachelor's degrees, % of adults 25+
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–1039.5%26.0%34.7%28.4%
2010–1448.3%26.7%36.4%29.6%
2015–1947.0%29.5%39.6%32.1%
2020–2448.1%33.3%43.4%35.6%
Change+8.6 pts+7.3 pts+8.6 pts+7.2 pts
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College graduates are unusually common in Stewartsville: 48.1% 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 8.6 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 Stewartsville

High school graduates, % of adults 25+
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–1093.9%86.4%87.0%84.9%
2010–1495.6%88.0%88.1%86.1%
2015–1994.6%89.7%89.5%87.7%
2020–2496.9%91.4%90.2%89.3%
Change+3.0 pts+5.0 pts+3.2 pts+4.3 pts
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High school completion is high in Stewartsville: 96.9% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma has risen 3.0 points since 2006–10, mirroring the country. Stewartsville has a higher share of high school graduates than at least four in five New Jersey cities.

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 Stewartsville

Unemployment, % of the labor force
PeriodStewartsvilleAllentown areaNew JerseyU.S.
2006–107.7%7.3%7.9%8.1%
2010–1411.0%9.4%9.8%9.4%
2015–192.8%5.5%5.6%5.6%
2020–245.2%5.5%6.4%5.4%
Change−2.5 pts−1.8 pts−1.5 pts−2.7 pts
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Unemployment in Stewartsville is close to the national rate: 5.2% of the labor force, against 5.4%. Unemployment is down 2.5 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).

Stewartsville compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Stewartsville2.8643.84.6%6.8%1.4%1992$2,21148.1%96.9%5.2%
Alpha2.2743.36.4%23.8%2.6%1956$1,29321.7%91.5%2.4%
Phillipsburg2.3742.011.4%32.2%4.0%1958$1,44030.7%91.9%5.8%
New Village2.6340.25.6%10.8%12.9%1979$1,62738.8%96.0%2.5%
Bloomsbury2.8343.611.2%17.3%4.6%1973$1,78149.5%95.3%5.7%
Harmony2.6249.812.7%13.5%5.9%1963$1,71622.9%98.5%5.3%
Broadway2.6041.45.3%10.9%12.2%1978$1,58837.2%96.1%2.5%
Hutchinson2.4748.69.9%11.1%8.5%1966$1,75429.4%97.7%4.0%
West Portal2.6742.912.6%6.6%7.8%1985$1,77557.6%99.1%0.0%
Brainards2.5850.69.8%11.6%3.3%1967$1,56921.9%98.0%7.9%
Easton2.5041.612.9%28.3%7.1%1970$1,60638.7%92.2%4.6%

All figures 2020–24.

Cities with similar populations: Armona, CA · West Greenwich, RI · Auburn, IL · Ashland, PA · Ashburnham, MA · Ashburn, GA · Asbury, IA · Arrington, TN · Aromas, CA · West Point, 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 Stewartsville. 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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