Allendale Population

1900–2026

7,144

2026 projection

5.1% since 2020 (increase)

02K4K6K8K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Allendale. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20267,144+280.39%
20257,116+2022.92%
20246,914+530.77%
20236,861+540.79%
20226,807+270.40%
20216,780-190.28%
20206,799+650.97%
20196,734-310.46%
20186,765-260.38%
20176,791+160.24%

Showing 10 of 28 years.

Allendale Demographics

45.2median age

Median age

Female45.7 yrs
Male44.7 yrs

Adults

5,032
1,434 seniors · 28%3,598 other adults

Sex

Female 50.8% · 3,490Male 49.2% · 3,375

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 69 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Allendale Income

$160,162median household income

Median household income

$160,162

Half of households earn more, half earn less

Median earnings

$111,074

Typical yearly pay for a worker 25 or older.

Poverty rate

3.7%

About 1 in 27 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Allendale Marital Status

66% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married66%67%65%
Never married23%26%19%
Divorced4%3%5%
Widowed7%4%10%
Separated<1%0%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201