Iowa County's 2026 population is estimated at 16,497, reflecting a 0.22% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Iowa County is the 45th largest county in Iowa. The 2010 population was 16,335 and has grown 0.99% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.4 years
Female: 42.5 years
Male: 42.4 years
There are 12,656 adults, (3,350 of whom are seniors) in Iowa County.
Female: 8,029 (48.6%)
Male: 8,478 (51.4%)
The racial composition of Iowa County includes 94.1% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 15,533 | 94.1% |
| Two or more races | 672 | 4.07% |
| Other race | 193 | 1.17% |
| Black or African American | 54 | 0.33% |
| Asian | 40 | 0.24% |
| Native American | 15 | 0.09% |
Iowa County 's average per capita income is $48,467. Household income levels show a median of $71,223. The poverty rate stands at 8.85%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $105,343 | - |
| Families | $96,466 | $114,524 |
| Households | $71,223 | $90,784 |
| Non Families | $41,193 | $49,176 |
Average Income
Median Household Income
Poverty Rate