Allen is located in Harrison County, Iowa. Allen has a 2025 population of 227. Allen is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Allen is $131,572 with a poverty rate of 0%.The median age in Allen is 23 years: 22.7 years for males, and 55.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Allen includes 60.35% White, and smaller percentages for and multiracial populations.
White (60.4%)
Two or more races (39.6%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 137 | 60.35% |
| Two or more races | 90 | 39.65% |
Married
Widowed
Divorced
Separated
Never Married
Allen's average per capita income is $54,643. Household income levels show a median of $139,500. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $139,500 | $131,572 |
| Families | $138,000 | $122,409 |
| Married Families | $138,000 | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate