Allendale Population

1900–2026

2,381

2026 projection

11.2% since 2020 (decrease)

01K2K3K4K5K1900192019401960198020002020

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.
20262,381-461.90%
20252,427-712.84%
20242,498-240.95%
20232,522+10.04%
20222,521-1084.11%
20212,629-511.90%
20202,680-2237.68%
20192,903-782.62%
20182,981-471.55%
20173,028-100.33%

Showing 10 of 28 years.

Allendale Demographics

39.4median age

Median age

Female39.7 yrs
Male35.9 yrs

Adults

1,957
473 seniors · 24%1,484 other adults

Sex

Female 55% · 1,458Male 45% · 1,195

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 27 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

$23,529median household income

Median household income

$23,529

Half of households earn more, half earn less

Median earnings

$27,824

Typical yearly pay for a worker 25 or older.

Poverty rate

45.1%

About 1 in 2 residents

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

Allendale Marital Status

35% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married35%42%30%
Never married37%43%33%
Divorced7%9%5%
Widowed15%0%25%
Separated7%6%7%

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