McPherson County's 2026 population is estimated at 30,530, reflecting a 0.32% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). McPherson County is the 19th largest county in Kansas. The 2010 population was 29,128 and has grown 4.81% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.4 years
Female: 40.7 years
Male: 37.9 years
There are 23,671 adults, (6,040 of whom are seniors) in McPherson County.
Female: 15,353 (50.8%)
Male: 14,852 (49.2%)
The racial composition of McPherson County includes 92.3% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 27,879 | 92.3% |
| Two or more races | 1,425 | 4.72% |
| Black or African American | 558 | 1.85% |
| Other race | 199 | 0.66% |
| Asian | 117 | 0.39% |
| Native American | 27 | 0.09% |
McPherson County 's average per capita income is $50,736. Household income levels show a median of $78,851. The poverty rate stands at 9.46%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,124 | - |
| Families | $97,701 | $108,929 |
| Households | $78,851 | $92,169 |
| Non Families | $43,268 | $57,155 |
Average Income
Median Household Income
Poverty Rate