Harrison is located in Mahaska County, Iowa. Harrison has a 2025 population of 838 . Harrison 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 Harrison is $71,725 with a poverty rate of 3.46%. The median age in Harrison is 32.6 years: 32.1 years for males, and 34 years for females. For every 100 females there are 136.1 males.
Data after 2023 is projected based on recent change
The racial composition of Harrison includes 88.9% White, 3.46% Asian, and smaller percentages for and multiracial populations.
White (88.9%)
Two or more races (7.64%)
Asian (3.46%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 745 | 88.9% |
| Two or more races | 64 | 7.64% |
| Asian | 29 | 3.46% |
Married
Widowed
Divorced
Separated
Never Married
Harrison's average per capita income is $48,750. Household income levels show a median of $62,236. The poverty rate stands at 3.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,174 | - |
| Families | $74,375 | $77,234 |
| Households | $62,236 | $71,725 |
| Non Families | $24,375 | $39,421 |
Average Income
Median Household Income
Poverty Rate