Allegan is a city located in Allegan County, Michigan. Allegan has a 2025 population of 5,136 . It is also the county seat of Allegan County . Allegan is currently declining at a rate of -0.31% annually and its population has decreased by -1.53% since the most recent census, which recorded a population of 5,216 in 2020.
The average household income in Allegan is $60,950 with a poverty rate of 15.06%. The median age in Allegan is 32.4 years: 27.7 years for males, and 40.2 years for females. For every 100 females there are 89.1 males.
Data after 2023 is projected based on recent change
The racial composition of Allegan includes 85.68% White, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
White (85.68%)
Two or more races (9.57%)
Other race (2.51%)
Black or African American (2.01%)
Asian (0.23%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,440 | 85.68% |
| Two or more races | 496 | 9.57% |
| Other race | 130 | 2.51% |
| Black or African American | 104 | 2.01% |
| Asian | 12 | 0.23% |
Married
Widowed
Divorced
Separated
Never Married
Allegan's average per capita income is $39,708. Household income levels show a median of $42,261. The poverty rate stands at 15.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $72,172 | - |
| Families | $52,685 | $64,317 |
| Households | $42,261 | $60,950 |
| Non Families | $35,074 | $51,854 |
Average Income
Median Household Income
Poverty Rate