Smith County's 2026 population is estimated at 3,542, reflecting a -0.67% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Smith County is the 76th largest county in Kansas. The 2010 population was 3,860 and has grown -8.24% since 2010.
Overall: 49.1 years
Female: 51.8 years
Male: 46.4 years
There are 2,840 adults, (1,040 of whom are seniors) in Smith County.
Female: 1,703 (47.9%)
Male: 1,849 (52.1%)
The racial composition of Smith County includes 94.23% White, and smaller percentages for other race, Native American, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,347 | 94.23% |
| Two or more races | 130 | 3.66% |
| Other race | 47 | 1.32% |
| Native American | 12 | 0.34% |
| Black or African American | 8 | 0.23% |
| Asian | 8 | 0.23% |
Smith County 's average per capita income is $43,877. Household income levels show a median of $59,135. The poverty rate stands at 7.27%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,797 | - |
| Families | $90,781 | $102,082 |
| Households | $59,135 | $80,326 |
| Non Families | $32,426 | $45,177 |
Average Income
Median Household Income
Poverty Rate