Sedgwick County's 2026 population is estimated at 547,735, reflecting a 1.08% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Sedgwick County is the 2nd largest county in Kansas. The 2010 population was 499,138 and has grown 9.74% since 2010.
Data after 2023 is projected based on recent change
Overall: 36 years
Female: 37.2 years
Male: 35.2 years
There are 396,625 adults, (83,777 of whom are seniors) in Sedgwick County.
Female: 265,886 (50.3%)
Male: 262,340 (49.7%)
The racial composition of Sedgwick County includes 69.14% White, 7.81% Black or African American, 5.14% other race, 4.28% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 365,216 | 69.14% |
| Two or more races | 67,200 | 12.72% |
| Black or African American | 41,253 | 7.81% |
| Other race | 27,159 | 5.14% |
| Asian | 22,610 | 4.28% |
| Native American | 4,353 | 0.82% |
| Native Hawaiian or Pacific Islander | 435 | 0.08% |
Sedgwick County 's average per capita income is $47,916. Household income levels show a median of $69,365. The poverty rate stands at 13.93%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,530 | $129,984 |
| Families | $88,215 | $112,376 |
| Households | $69,365 | $94,234 |
| Non Families | $41,003 | $58,790 |
Average Income
Median Household Income
Poverty Rate