Butler County's estimated 2026 population is 14,005 with a growth rate of -0.31% 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 -6.11% since that time.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 44.9 years
Male: 42.4 years
There are 11,075 adults, (3,306 of whom are seniors) in Butler County.
Female: 7,179 (50.3%)
Male: 7,089 (49.7%)
The racial composition of Butler County includes 94.96% White, and smaller percentages for Two or more races, Asian, other race, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,549 | 94.96% |
| Two or more races | 387 | 2.71% |
| Asian | 179 | 1.25% |
| Other race | 122 | 0.86% |
| Black or African American | 24 | 0.17% |
| Native American | 7 | 0.05% |
Butler County's average per capita income is $48,860. Household income levels show a median of $73,715. The poverty rate stands at 9.22%.
Name | Median | Mean |
|---|---|---|
| Married Families | $96,709 | - |
| Families | $91,851 | $105,870 |
| Households | $73,715 | $90,569 |
| Non Families | $44,261 | $51,166 |
Average Income
Median Household Income
Poverty Rate