Allegan Population

1870–2026

5,111

2026 projection

2% since 2020 (decrease)

01K2K3K4K5K6K18801900192019401960198020002020

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 Allegan. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20265,111-160.31%
20255,127-230.45%
20245,150-60.12%
20235,156-80.15%
20225,164-250.48%
20215,189-250.48%
20205,214+1953.89%
20195,019-10.02%
20185,020-160.32%
20175,036+140.28%

Showing 10 of 31 years.

Allegan Demographics

33median age

Median age

Female40.6 yrs
Male28.1 yrs

Adults

4,077
729 seniors · 18%3,348 other adults

Sex

Female 48.2% · 2,495Male 51.8% · 2,677

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 52 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

Allegan Income

$52,925median household income

Median household income

$52,925

Half of households earn more, half earn less

Median earnings

$36,152

Typical yearly pay for a worker 25 or older.

Poverty rate

13.9%

About 1 in 7 residents

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

Allegan Marital Status

40% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married40%39%40%
Never married39%46%32%
Divorced15%12%18%
Widowed6%2%10%
Separated1%<1%1%

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