Atchison County's estimated 2026 population is 16,175 with a growth rate of 0.02% in the past year according to the most recent United States census data. Atchison County is the 31st largest county in Kansas. The 2010 population was 16,855 and has seen a growth of -4.03% since that time.
Data after 2023 is projected based on recent change
Overall: 36.1 years
Female: 38.2 years
Male: 34.4 years
There are 12,671 adults, (2,931 of whom are seniors) in Atchison County.
Female: 8,209 (50.6%)
Male: 7,999 (49.4%)
The racial composition of Atchison County includes 87.65% White, 3.63% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 14,207 | 87.65% |
| Two or more races | 1,261 | 7.78% |
| Black or African American | 588 | 3.63% |
| Asian | 55 | 0.34% |
| Other race | 55 | 0.34% |
| Native American | 42 | 0.26% |
Atchison County's average per capita income is $44,740. Household income levels show a median of $61,112. The poverty rate stands at 12.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $101,333 | - |
| Families | $83,071 | $95,537 |
| Households | $61,112 | $78,946 |
| Non Families | $29,064 | $44,426 |
Average Income
Median Household Income
Poverty Rate
