Allendale, NJ Demographics

Population 6,716 · Census ACS 2020–24

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Allendale, NJ map of median age by neighborhood
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Population and households in Allendale

Household size in Allendale

Household size, people per household
PeriodAllendaleNew York areaNew JerseyU.S.
2006–103.022.792.772.68
2010–142.952.852.822.73
2015–193.002.822.782.71
2020–242.712.792.762.65
Change−0.31−0.00−0.01−0.03
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Households in Allendale average 2.71 people, about the same as the country as a whole (2.65). Since 2006–10, household size has dropped from 3.02, a much bigger shift than nationally. Households are largest in the northwest and smallest in the south.

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 Allendale

Median age, years
PeriodAllendaleNew York areaNew JerseyU.S.
2006–1043.738.039.137.7
2010–1445.038.740.038.6
2015–1945.439.841.039.6
2020–2444.340.440.940.1
Change+0.5+2.4+1.8+2.3
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Allendale skews older: half of its residents are older than 44.3, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. Since 2006–10, the median age has crept up from 43.7, a smaller shift than nationally.

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 Allendale

Single-parent households, % of households
PeriodAllendaleNew York areaNew JerseyU.S.
2006–104.4%13.1%11.6%12.3%
2010–147.5%12.8%11.8%12.3%
2015–194.4%11.4%10.8%11.6%
2020–242.9%11.6%11.3%11.6%
Change−1.5 pts−1.5 pts−0.4 pts−0.6 pts
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Single parents head only 2.9% of households in Allendale, well below the national share of 11.6%. The single-parent share has edged down 1.5 points since 2006–10, as it has nationally. Of the 415 New Jersey cities with 5,000+ people, only 16 have a lower share of single-parent households.

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 Allendale

Renters in Allendale

Renters, % of occupied homes
PeriodAllendaleNew York areaNew JerseyU.S.
2006–107.1%47.1%33.1%33.3%
2010–1411.4%48.7%35.0%35.6%
2015–1916.4%48.8%36.1%36.0%
2020–2418.8%48.6%36.2%34.8%
Change+11.7 pts+1.5 pts+3.1 pts+1.5 pts
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Allendale is largely a place of homeowners: only 18.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 34.9% have no mortgage at all, below the national share of 39.8%. The renter share is up 11.7 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 Allendale

Vacant homes, % of all homes
PeriodAllendaleNew York areaNew JerseyU.S.
2006–1013.1%9.1%9.1%11.4%
2010–1414.2%9.0%9.3%11.4%
2015–196.8%9.1%9.3%11.1%
2020–247.3%7.9%6.6%9.6%
Change−5.8 pts−1.2 pts−2.5 pts−1.8 pts
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Fewer homes sit empty in Allendale than nationally: 7.3%, against 9.6% for the U.S. That is in line with the rest of the New York area. Vacancy is down 5.8 points from 2006–10, a much bigger shift than nationally.

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 Allendale

Age of homes, median year built
PeriodAllendaleNew York areaNew JerseyU.S.
2006–101966195719651974
2010–141966195819661975
2015–191966195919671977
2020–241971196219691980
Change+5+5+5+6
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The housing in Allendale is old by national standards: the median home dates to 1971, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Still, homes here are newer than in the New York area overall, where the median home dates to 1962. The median year built has moved up from 1966 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 Allendale

Rent, per month
PeriodAllendaleNew York areaNew JerseyU.S.
2006–10$1,880$1,268$1,246$965
2010–14$1,415$1,377$1,324$1,040
2015–19$1,950$1,645$1,522$1,213
2020–24$2,993$2,060$1,896$1,571
Change+$1,113+$792+$651+$606
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The median renter in Allendale pays $2,993 a month for rent and utilities, well above the national median of $1,571. Rents are up $1,113 a month from 2006–10, a 59% rise, a slower climb than the nation's. The typical renter here spends 37.5% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. The priciest rents are in the east; the most affordable are in the west.

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 Allendale

Bachelor's degrees in Allendale

Bachelor's degrees, % of adults 25+
PeriodAllendaleNew York areaNew JerseyU.S.
2006–1065.5%35.0%34.7%28.4%
2010–1465.1%36.7%36.4%29.6%
2015–1973.0%39.9%39.6%32.1%
2020–2472.3%43.6%43.4%35.6%
Change+6.9 pts+8.6 pts+8.6 pts+7.2 pts
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College graduates are unusually common in Allendale: 72.3% 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 6.9 points, as it has nationally. Of the 415 New Jersey cities with 5,000+ people, only 36 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 Allendale

High school graduates, % of adults 25+
PeriodAllendaleNew York areaNew JerseyU.S.
2006–1097.0%83.7%87.0%84.9%
2010–1496.5%84.6%88.1%86.1%
2015–1998.0%86.2%89.5%87.7%
2020–2497.6%86.9%90.2%89.3%
Change+0.6 pts+3.3 pts+3.2 pts+4.3 pts
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Finishing high school is nearly universal in Allendale: 97.6% 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 0.6 points, a smaller shift than nationally. Of the 415 New Jersey cities with 5,000+ people, only 40 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 Allendale

Unemployment, % of the labor force
PeriodAllendaleNew York areaNew JerseyU.S.
2006–106.7%7.9%7.9%8.1%
2010–149.4%9.5%9.8%9.4%
2015–192.8%5.7%5.6%5.6%
2020–244.3%6.9%6.4%5.4%
Change−2.5 pts−0.9 pts−1.5 pts−2.7 pts
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Unemployment in Allendale runs below the national rate: 4.3% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has fallen 2.5 points since 2006–10, as it has nationally. 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).

Allendale compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Allendale2.7144.32.9%18.8%7.3%1971$2,99372.3%97.6%4.3%
Waldwick3.0340.85.2%11.9%4.4%1958$3,42459.2%97.1%2.7%
Saddle River2.5752.15.2%14.5%9.1%1981$2,35869.8%94.2%6.3%
Ramsey2.8142.37.0%21.0%3.9%1967$1,97067.4%94.6%3.2%
Midland Park2.4942.62.1%27.4%6.9%1954$1,87258.0%94.7%7.7%
Ho-Ho-Kus3.1542.85.8%7.5%10.3%1959$2,89382.6%97.9%1.8%
Upper Saddle River3.1440.77.9%8.9%3.3%1975$3,44976.1%97.2%8.0%
Wyckoff2.9046.54.7%7.6%7.8%1967$2,63770.7%96.6%4.7%
Mahwah2.4948.12.8%19.1%4.1%1979$2,17162.2%95.7%5.4%
Ridgewood2.9741.98.1%17.3%5.5%1948$2,48679.4%98.5%3.5%
Woodcliff Lake2.8346.72.3%13.6%4.9%1968$1,86679.8%96.0%10.1%

All figures 2020–24.

Cities with similar populations: Clyde, TX · Yerington, NV · Port Matilda, PA · Elba, AL · Homestead Meadows South, TX · Edinburgh, IN · Bloomer, WI · Homosassa, FL · Edgefield, SC · Milaca, MN

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 Allendale. 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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