Allen is located in Union County, Ohio. Allen has a 2025 population of 2,878 . Allen is currently growing at a rate of 3.12% annually and its population has increased by 19.52% since the most recent census, which recorded a population of 2,408 in 2020.
The average household income in Allen is $143,752 with a poverty rate of 3.93%. The median age in Allen is 45.9 years: 48.9 years for males, and 43.5 years for females. For every 100 females there are 97.7 males.
Data after 2023 is projected based on recent change
The racial composition of Allen includes 85.32% White, 7.18% other race, and smaller percentages for Black or African American, Asian and multiracial populations.
White (85.32%)
Other race (7.18%)
Two or more races (5.79%)
Black or African American (0.87%)
Asian (0.83%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,151 | 85.32% |
| Other race | 181 | 7.18% |
| Two or more races | 146 | 5.79% |
| Black or African American | 22 | 0.87% |
| Asian | 21 | 0.83% |
Married
Widowed
Divorced
Separated
Never Married
Allen's average per capita income is $72,364. Household income levels show a median of $134,015. The poverty rate stands at 3.93%.
Name | Median | Mean |
|---|---|---|
| Married Families | $161,528 | - |
| Families | $141,250 | $155,921 |
| Households | $134,015 | $143,752 |
| Non Families | - | $71,746 |
Average Income
Median Household Income
Poverty Rate