Scott County's 2026 population is estimated at 177,625, reflecting a 0.57% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Scott County is the 3rd largest county in Iowa. The 2010 population was 165,291 and has grown 7.46% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.4 years
Female: 39.9 years
Male: 38.9 years
There are 134,197 adults, (30,617 of whom are seniors) in Scott County.
Female: 88,372 (50.6%)
Male: 86,236 (49.4%)
The racial composition of Scott County includes 79.1% White, 7.23% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 138,119 | 79.1% |
| Two or more races | 14,978 | 8.58% |
| Black or African American | 12,617 | 7.23% |
| Asian | 4,993 | 2.86% |
| Other race | 3,477 | 1.99% |
| Native American | 332 | 0.19% |
| Native Hawaiian or Pacific Islander | 92 | 0.05% |
Scott County 's average per capita income is $53,257. Household income levels show a median of $78,277. The poverty rate stands at 11.5%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $123,210 | $147,709 |
| Families | $101,641 | $128,052 |
| Households | $78,277 | $103,843 |
| Non Families | $47,374 | $62,510 |
Average Income
Median Household Income
Poverty Rate