Wapello County's 2026 population is estimated at 36,209, reflecting a 0.73% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Wapello County is the 20th largest county in Iowa. The 2010 population was 35,679 and has grown 1.49% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.2 years
Female: 41.5 years
Male: 37.5 years
There are 26,930 adults, (6,496 of whom are seniors) in Wapello County.
Female: 17,453 (49.4%)
Male: 17,909 (50.6%)
The racial composition of Wapello County includes 79.08% White, 4.26% other race, 3.02% Black or African American, and smaller percentages for Native Hawaiian or Pacific Islander, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 27,965 | 79.08% |
| Two or more races | 3,175 | 8.98% |
| Other race | 1,508 | 4.26% |
| Black or African American | 1,068 | 3.02% |
| Native Hawaiian or Pacific Islander | 857 | 2.42% |
| Asian | 634 | 1.79% |
| Native American | 155 | 0.44% |
Wapello County 's average per capita income is $45,569. Household income levels show a median of $64,766. The poverty rate stands at 15.84%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $94,554 | - |
| Families | $78,691 | $94,089 |
| Households | $64,766 | $82,470 |
| Non Families | $42,989 | $57,115 |
Average Income
Median Household Income
Poverty Rate