Hancock County's 2026 population is estimated at 10,586, reflecting a -0.14% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hancock County is the 70th largest county in Iowa. The 2010 population was 11,300 and has grown -6.32% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.6 years
Female: 46.3 years
Male: 43.4 years
There are 8,428 adults, (2,554 of whom are seniors) in Hancock County.
Female: 5,191 (48.6%)
Male: 5,480 (51.4%)
The racial composition of Hancock County includes 93.43% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 9,970 | 93.43% |
| Two or more races | 379 | 3.55% |
| Asian | 133 | 1.25% |
| Other race | 130 | 1.22% |
| Black or African American | 48 | 0.45% |
| Native American | 11 | 0.1% |
Hancock County 's average per capita income is $46,446. Household income levels show a median of $70,601. The poverty rate stands at 12.15%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,645 | - |
| Families | $83,750 | $103,586 |
| Households | $70,601 | $86,692 |
| Non Families | $45,089 | $51,753 |
Average Income
Median Household Income
Poverty Rate
