Atchison County's estimated 2026 population is 5,183 with a growth rate of 0.15% in the past year according to the most recent United States census data. Atchison County is the 108th largest county in Missouri. The 2010 population was 5,656 and has seen a growth of -8.36% since that time.
Data after 2023 is projected based on recent change
Overall: 46.7 years
Female: 48.7 years
Male: 45.5 years
There are 4,104 adults, (1,307 of whom are seniors) in Atchison County.
Female: 2,596 (50%)
Male: 2,591 (50%)
The racial composition of Atchison County includes 93.56% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,853 | 93.56% |
| Two or more races | 226 | 4.36% |
| Other race | 59 | 1.14% |
| Asian | 22 | 0.42% |
| Black or African American | 13 | 0.25% |
| Native American | 7 | 0.13% |
| Native Hawaiian or Pacific Islander | 7 | 0.13% |
Atchison County's average per capita income is $39,464. Household income levels show a median of $58,750. The poverty rate stands at 11.62%.
Name | Median | Mean |
|---|---|---|
| Married Families | $85,303 | - |
| Families | $70,625 | $91,776 |
| Households | $58,750 | $77,295 |
| Non Families | $34,224 | $47,668 |
Average Income
Median Household Income
Poverty Rate
