Butler County's 2026 population is estimated at 41,622, reflecting a -0.23% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Butler County is the 28th largest county in Missouri. The 2010 population was 42,785 and has grown -2.72% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.5 years
Female: 41.7 years
Male: 37.5 years
There are 32,240 adults, (8,184 of whom are seniors) in Butler County.
Female: 21,527 (51.2%)
Male: 20,493 (48.8%)
The racial composition of Butler County includes 86.77% White, 4.71% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36,461 | 86.77% |
| Two or more races | 2,896 | 6.89% |
| Black or African American | 1,978 | 4.71% |
| Other race | 420 | 1% |
| Asian | 185 | 0.44% |
| Native American | 78 | 0.19% |
| Native Hawaiian or Pacific Islander | 2 | 0% |
Butler County 's average per capita income is $36,143. Household income levels show a median of $49,089. The poverty rate stands at 20.5%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $80,043 | - |
| Families | $66,414 | $81,931 |
| Households | $49,089 | $67,066 |
| Non Families | $26,075 | $40,863 |
Average Income
Median Household Income
Poverty Rate