Demographics of Allendale borough, New Jersey

Allendale borough, New Jersey had 7,116 people on July 1, 2025, by the Census Bureau’s estimate: +317 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Allendale borough, in four figures

7,116
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 6,865 ±44.; +4.7%
Change since July 2020: +317 people.; 45.2 ±1.9
Median age: ACS 2020–⁠2024.; $160,162 ±$32,952
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Allendale borough, New Jersey's population grew 4.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Allendale borough, New Jersey's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Allendale borough, New Jersey's population grew 4.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Allendale borough, New Jersey's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	6,799	100.0	100.0
2021	6,780	99.7	100.2
2022	6,807	100.1	100.7
2023	6,861	100.9	101.6
2024	6,914	101.7	102.5
2025	7,116	104.7	103.1

Population of Allendale borough, New Jersey on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	6,799	—
2021	6,780	−19
2022	6,807	+27
2023	6,861	+54
2024	6,914	+53
2025	7,116	+202

Age, 2020–2024

The median age is 45.2 ±1.9: for men 44.7 ±6.3 and for women 45.7 ±2.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Allendale borough by age, ACS 2020–2024
Age	People	Share	New Jersey	United States
Under 5	91 to 669	1.3% to 9.7%	5.6% ±<0.1	5.6% ±<0.1
5 to 17	1,453 ±291	21.2% ±4.2	16.2% ±0.1	16.3% ±<0.1
18 to 24	137 to 441	2.0% to 6.4%	8.4% ±0.1	9.1% ±<0.1
25 to 44	1,262 ±236	18.4% ±3.4	26.2% ±0.1	26.9% ±<0.1
45 to 64	2,047 ±352	29.8% ±5.1	26.5% ±0.1	24.8% ±<0.1
65 and over	1,434 ±263	20.9% ±3.8	17.2% ±0.1	17.2% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Income and poverty, 2020–2024

Median household income is $160,162 ±$32,952, and income per person $86,230 ±$14,436, in 2024 dollars. The median is $103,556 ±$513 in New Jersey and $80,734 ±$166 in the United States.

Households by income

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Households in Allendale borough by income, ACS 2020–2024
Household income	Households	Share	New Jersey	United States
Under $25,000	111 to 379	4.5% to 15.1%	11.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	50 to 174	2.0% to 6.9%	12.8% ±0.2	16.7% ±<0.1
$50,000 to $74,999	55 to 243	2.2% to 9.7%	12.8% ±0.2	15.5% ±<0.1
$75,000 to $99,999	242 ±117	9.7% ±4.6	11.3% ±0.2	12.6% ±<0.1
$100,000 to $149,999	499 ±235	19.9% ±9.3	18.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	303 ±118	12.1% ±4.6	11.8% ±0.2	9.6% ±<0.1
$200,000 or more	954 ±193	38.1% ±7.3	21.6% ±0.2	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Allendale borough by age, ACS 2020–2024
Age	Below poverty	Rate	New Jersey	United States
All ages	113 to 395	1.7% to 5.8%	9.7% ±0.2	12.5% ±0.1
Under 18	0 to 46	0% to 2.5%	13.0% ±0.3	16.1% ±0.1
18 to 59	0 to 86	0% to 2.7%	8.6% ±0.2	11.6% ±0.1
60 and over	88 to 322	5.4% to 18.1%	9.3% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Allendale borough, ACS 2020–2024
Measure	Allendale borough	New Jersey	United States
Housing units	2,690 ±221	3,791,354 ±469	143,775,355 ±10,234
Occupied	93.1% ±9.8	92.5% ±0.1	89.9% ±0.1
Vacant	1.5% to 12.3%	7.5% ±0.1	10.1% ±0.1
Owner occupied	81.4% ±6.2	63.8% ±0.3	65.2% ±0.3
Renter occupied	18.6% ±8.1	36.2% ±0.2	34.8% ±0.1
Median home value	$782,700 ±$81,012	$454,400 ±$1,150	$332,700 ±$236
Median gross rent	$2,590 ±$866	$1,720 ±$7	$1,413 ±$2
Median year built	1965 ±5	1970 ±1	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Allendale borough by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	New Jersey	United States
Hispanic or Latino	45 to 375	0.7% to 5.5%	22.5% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	5,020 ±453	73.1% ±6.6	50.9% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 70	0% to 1.0%	12.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,244 ±442	18.1% ±6.4	10.0% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 20	0% to 0.3%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 20	0% to 0.3%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 20	0% to 0.3%	0.8% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	181 to 553	2.6% to 8.1%	3.5% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Allendale borough by place of birth and citizenship, ACS 2020–2024
Born	People	Share	New Jersey	United States
Born in the state	2,852 ±450	41.5% ±6.5	50.8% ±0.2	57.3% ±<0.1
Born in another state	2,357 ±312	34.3% ±4.5	22.7% ±0.1	26.9% ±<0.1
Born a citizen outside the states	28 to 548	0.4% to 8.0%	2.6% ±<0.1	1.7% ±<0.1
Born abroad	1,368 ±387	19.9% ±5.6	23.9% ±0.2	14.1% ±<0.1
Naturalized citizens	889 ±344	12.9% ±5.0	13.5% ±0.1	7.4% ±<0.1
Not citizens	479 ±231	7.0% ±3.4	10.5% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Allendale borough among the places of New Jersey

235th of 295 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the New Jersey page.

Places of New Jersey near Allendale borough in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Mountainside borough	7,049 ±18
Midland Park borough	7,019 ±23
Stratford borough	7,018 ±34
Linwood city	6,992 ±27
Lincroft CDP	6,939 ±663
Allendale borough	6,865 ±44
Green Knoll CDP	6,789 ±878
Strathmore CDP	6,708 ±739
Kingston Estates CDP	6,668 ±889
North Caldwell borough	6,656 ±20
Franklin Center CDP	6,646 ±837

Rankings this appears in

No. 1 Places by median rent
No. 1 Places in New Jersey by median rent
No. 6 Places in New Jersey by per capita income
No. 11 Places in New Jersey by median age
No. 11 Places in New Jersey by median household income
No. 20 Places in New Jersey by median home value

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026