Chickasaw County's 2026 population is estimated at 11,769, reflecting a 0.21% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Chickasaw County is the 65th largest county in Iowa. The 2010 population was 12,411 and has grown -5.17% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.1 years
Female: 44.3 years
Male: 42.1 years
There are 9,064 adults, (2,671 of whom are seniors) in Chickasaw County.
Female: 5,718 (48.4%)
Male: 6,089 (51.6%)
The racial composition of Chickasaw County includes 94.47% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,154 | 94.47% |
| Two or more races | 455 | 3.85% |
| Other race | 84 | 0.71% |
| Black or African American | 64 | 0.54% |
| Native American | 46 | 0.39% |
| Asian | 2 | 0.02% |
| Native Hawaiian or Pacific Islander | 2 | 0.02% |
Chickasaw County 's average per capita income is $48,812. Household income levels show a median of $75,675. The poverty rate stands at 8.82%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $103,417 | - |
| Families | $92,649 | $109,090 |
| Households | $75,675 | $89,114 |
| Non Families | $39,770 | $51,458 |
Average Income
Median Household Income
Poverty Rate