Hardin County's 2026 population is estimated at 16,346, reflecting a -0.36% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hardin County is the 47th largest county in Iowa. The 2010 population was 17,543 and has grown -6.82% since 2010.
Data after 2023 is projected based on recent change
Overall: 45.4 years
Female: 47.8 years
Male: 43.5 years
There are 13,482 adults, (3,968 of whom are seniors) in Hardin County.
Female: 8,210 (49.3%)
Male: 8,429 (50.7%)
The racial composition of Hardin County includes 91.11% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 15,160 | 91.11% |
| Two or more races | 565 | 3.4% |
| Other race | 433 | 2.6% |
| Black or African American | 180 | 1.08% |
| Native American | 152 | 0.91% |
| Asian | 149 | 0.9% |
Hardin County 's average per capita income is $44,060. Household income levels show a median of $65,069. The poverty rate stands at 9.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,819 | - |
| Families | $85,448 | $99,592 |
| Households | $65,069 | $79,622 |
| Non Families | $33,014 | $43,058 |
Average Income
Median Household Income
Poverty Rate
