Shelby County's 2026 population is estimated at 11,817, reflecting a -0.02% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Shelby County is the 64th largest county in Iowa. The 2010 population was 12,179 and has grown -2.97% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.3 years
Female: 45.5 years
Male: 42.6 years
There are 9,079 adults, (2,724 of whom are seniors) in Shelby County.
Female: 5,948 (50.5%)
Male: 5,830 (49.5%)
The racial composition of Shelby County includes 92.15% White, and smaller percentages for other race, Native American, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,854 | 92.15% |
| Two or more races | 518 | 4.4% |
| Other race | 212 | 1.8% |
| Native American | 101 | 0.86% |
| Asian | 56 | 0.48% |
| Black or African American | 37 | 0.31% |
Shelby County 's average per capita income is $50,125. Household income levels show a median of $72,738. The poverty rate stands at 7.63%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,063 | - |
| Families | $94,129 | $117,530 |
| Households | $72,738 | $97,055 |
| Non Families | $40,206 | $52,141 |
Average Income
Median Household Income
Poverty Rate
