Riley County's estimated 2026 population is 73,124 with a growth rate of 0.72% in the past year according to the most recent United States census data. Riley County is the 7th largest county in Kansas. The 2010 population was 71,557 and has seen a growth of 2.19% since that time.
Data after 2023 is projected based on recent change
Overall: 25.5 years
Female: 26.4 years
Male: 25.1 years
There are 60,357 adults, (7,203 of whom are seniors) in Riley County.
Female: 33,664 (46.8%)
Male: 38,282 (53.2%)
The racial composition of Riley County includes 76.85% White, 6.55% Black or African American, 4.16% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 55,289 | 76.85% |
| Two or more races | 6,170 | 8.58% |
| Black or African American | 4,714 | 6.55% |
| Asian | 2,995 | 4.16% |
| Other race | 1,927 | 2.68% |
| Native American | 760 | 1.06% |
| Native Hawaiian or Pacific Islander | 91 | 0.13% |
Riley County's average per capita income is $47,765. Household income levels show a median of $61,098. The poverty rate stands at 19.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,414 | - |
| Families | $88,845 | $114,331 |
| Households | $61,098 | $85,480 |
| Non Families | $40,060 | $53,000 |
Average Income
Median Household Income
Poverty Rate
