Grant County's 2026 population is estimated at 6,975, reflecting a -0.87% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Grant County is the 52nd largest county in Kansas. The 2010 population was 7,825 and has grown -10.86% since 2010.
Data after 2023 is projected based on recent change
Overall: 33.4 years
Female: 33.7 years
Male: 32.7 years
There are 5,015 adults, (1,038 of whom are seniors) in Grant County.
Female: 3,259 (45.1%)
Male: 3,970 (54.9%)
The racial composition of Grant County includes 61.1% White, 4.98% other race, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,417 | 61.1% |
| Two or more races | 2,298 | 31.79% |
| Other race | 360 | 4.98% |
| Native American | 132 | 1.83% |
| Black or African American | 13 | 0.18% |
| Asian | 9 | 0.12% |
Grant County 's average per capita income is $53,826. Household income levels show a median of $66,476. The poverty rate stands at 9.3%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,417 | - |
| Families | $75,847 | $101,487 |
| Households | $66,476 | $100,624 |
| Non Families | $43,182 | $87,880 |
Average Income
Median Household Income
Poverty Rate
