Wyandotte County's 2026 population is estimated at 174,390, reflecting a 1.45% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Wyandotte County is the 4th largest county in Kansas. The 2010 population was 157,636 and has grown 10.63% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.3 years
Female: 34.8 years
Male: 33.7 years
There are 121,716 adults, (22,334 of whom are seniors) in Wyandotte County.
Female: 83,236 (49.6%)
Male: 84,418 (50.4%)
The racial composition of Wyandotte County includes 41.58% White, 18.47% Black or African American, 15.46% other race, 5.28% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 69,718 | 41.58% |
| Black or African American | 30,971 | 18.47% |
| Two or more races | 28,953 | 17.27% |
| Other race | 25,911 | 15.46% |
| Asian | 8,846 | 5.28% |
| Native American | 2,911 | 1.74% |
| Native Hawaiian or Pacific Islander | 344 | 0.21% |
Wyandotte County 's average per capita income is $44,689. Household income levels show a median of $63,631. The poverty rate stands at 15.76%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,850 | $106,579 |
| Families | $76,514 | $89,556 |
| Households | $63,631 | $79,007 |
| Non Families | $39,273 | $52,214 |
Average Income
Median Household Income
Poverty Rate