Riley County's estimated 2026 population is 74,325 with a growth rate of 1.2% 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 3.87% since that time.
Data after 2023 is projected based on recent change
The racial composition of Riley County includes 77.86% White, 6.35% Black or African American, 4.06% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (77.86%)
Two or more races (8.12%)
Black or African American (6.35%)
Asian (4.06%)
Other race (2.23%)
Native American (1.11%)
Native Hawaiian or Pacific Islander (0.28%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 55,831 | 77.86% |
| Two or more races | 5,826 | 8.12% |
| Black or African American | 4,552 | 6.35% |
| Asian | 2,913 | 4.06% |
| Other race | 1,596 | 2.23% |
| Native American | 793 | 1.11% |
| Native Hawaiian or Pacific Islander | 199 | 0.28% |
Married
Widowed
Divorced
Separated
Never Married
Riley County's average per capita income is $45,737. Household income levels show a median of $59,560. The poverty rate stands at 22.04%.
Name | Median | Mean |
|---|---|---|
| Married Families | $97,533 | - |
| Families | $84,939 | $110,462 |
| Households | $59,560 | $82,458 |
| Non Families | $37,900 | $50,642 |
Average Income
Median Household Income
Poverty Rate
