Decatur County's estimated 2026 population is 2,719 with a growth rate of 0.11% in the past year according to the most recent United States census data. Decatur County is the 84th largest county in Kansas. The 2010 population was 2,957 and has seen a growth of -8.05% since that time.
Data after 2023 is projected based on recent change
Overall: 50.1 years
Female: 52.6 years
Male: 47.3 years
There are 2,158 adults, (811 of whom are seniors) in Decatur County.
Female: 1,332 (48.9%)
Male: 1,394 (51.1%)
The racial composition of Decatur County includes 92.7% White, and smaller percentages for other race, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,527 | 92.7% |
| Two or more races | 105 | 3.85% |
| Other race | 49 | 1.8% |
| Black or African American | 31 | 1.14% |
| Native American | 14 | 0.51% |
Decatur County's average per capita income is $34,344. Household income levels show a median of $53,870. The poverty rate stands at 12.73%.
Name | Median | Mean |
|---|---|---|
| Married Families | $83,452 | - |
| Families | $75,691 | $93,157 |
| Households | $53,870 | $70,420 |
| Non Families | $31,000 | $38,358 |
Average Income
Median Household Income
Poverty Rate
