Butler County's estimated 2026 population is 14,018 with a growth rate of -0.49% in the past year according to the most recent United States census data. Butler County is the 57th largest county in Iowa. The 2010 population was 14,916 and has seen a growth of -6.02% since that time.
Data after 2023 is projected based on recent change
The racial composition of Butler County includes 95.32% White, and smaller percentages for Two or more races, Asian, other race, Black or African American, Native American and multiracial populations.
White (95.32%)
Two or more races (2.45%)
Asian (1.17%)
Other race (0.77%)
Black or African American (0.17%)
Native American (0.11%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,632 | 95.32% |
| Two or more races | 351 | 2.45% |
| Asian | 168 | 1.17% |
| Other race | 110 | 0.77% |
| Black or African American | 24 | 0.17% |
| Native American | 16 | 0.11% |
Married
Widowed
Divorced
Separated
Never Married
Butler County's average per capita income is $45,714. Household income levels show a median of $69,651. The poverty rate stands at 10.68%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,625 | - |
| Families | $84,815 | $97,433 |
| Households | $69,651 | $84,585 |
| Non Families | $40,625 | $47,598 |
Average Income
Median Household Income
Poverty Rate
