Atchison County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 108th-largest in Missouri
The population of Atchison County, Missouri is 5,216 as of the 2023 American Community Survey, making it the 108th-largest county in Missouri. The median household income is $59,260, the median home value is $100,600, and the median age is 47.7.
The population of Atchison County has declined 9.1% since 2010 (5,656 → 5,139), a -0.68% annualized rate.
5,216
Population
-0.68%
Annual growth
10
People / sq mi
$59,260
Median Income
$100,600
Median Home Value
Atchison County covers 547 sq mi of land at 9.5 people per square mile.
About Atchison County, MO
Atchison County is a county in Missouri with a population of 5,216. It ranks #108 among counties in Missouri by population. The median age is 47.7, older than the national median. The population is 50.6% male and 49.4% female.
The median household income in Atchison County is $59,260, below the US median of $74,580. 9.9% of residents live below the federal poverty level. Home values sit at a median of $100,600, with monthly rent averaging $595. The homeownership rate of 73.6% is higher than the national rate of 64.8%.
Educational attainment in Atchison County reflects 22.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.7% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.8 minutes each way.
Atchison County Population History (2010-2024)
The county of Atchison County had a population of 5,656 in 2010 and 5,139 in 2024, a -9.1% growth over 14 years. The peak was 5,656 in 2010. Average annual growth rate: -0.67%.
5,139
Population (2024)
5,656
Population (2010)
5,656
Peak (2010)
-0.67%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 5,656 |
| 2011 | 5,572 |
| 2012 | 5,512 |
| 2013 | 5,418 |
| 2014 | 5,354 |
| 2015 | 5,292 |
| 2016 | 5,292 |
| 2017 | 5,242 |
| 2018 | 5,161 |
| 2019 | 5,109 |
| 2020 | 5,305 |
| 2021 | 5,210 |
| 2022 | 5,163 |
| 2023 | 5,116 |
| 2024 | 5,139 |
Race & Ethnicity
| White | 94.3% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.1% |
Age & Sex
47.7
Median Age
49.4%
Female
50.6%
Male
25.2%
Age 65+
Age Distribution
Children (under 15): 17.2% · Seniors (65+): 25.2%
Income & Poverty
| Median household income | $59,260$-9,660 vs state |
| Mean household income | $76,140 |
| Per-capita income | $33,891 |
| Poverty rate | 9.9%+1.5% vs state |
| Unemployment rate | 1.4% |
| Employment-to-population | 59.2% |
Top Industries by Employment
The largest employment sector in Atchison County is professional & business services, accounting for 22.8% of workers.
How residents commute
1.5%
Drive alone
1.1%
Carpool
82.4%
Public transit
5.7%
Work from home
21.8 min
Avg commute
Housing
$100,600$-115,000 vs state
Median home value
$595
Median rent
73.6%
Homeownership rate
2,726
Total housing units
84.2%
Occupied
15.8%
Vacant
26.4%
Renter-occupied
Social & access
88.0%
With health insurance
94.0%
With broadband internet
36.4%
Foreign-born
9.1%
Veterans (18+)
16.9%
With a disability
97.7%
Speak language other than English at home
Education
91.8%
High School+
22.0%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Atchison County, Missouri has a population of 5,216 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 108th-largest county in Missouri. Population density is 10 people per square mile.
The population of Atchison County has declined 9.1% since 2010 (5,656 → 5,139), a -0.68% annualized rate.
The median household income in Atchison County, Missouri is $59,260, with mean (average) household income of $76,140 and per-capita income of $33,891. 9.9% of residents live below the federal poverty level.
In Atchison County, the largest racial and ethnic groups are White (94.3%), Hispanic or Latino (0.7%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Atchison County, Missouri is 47.7 years. Residents are 49.4% female and 50.6% male.
The median home value in Atchison County is $100,600 and median monthly rent is $595. 73.6% of occupied housing units are owner-occupied. The county has 2,726 total housing units, 15.8% of which are vacant.
The largest employment sector in Atchison County, Missouri is professional, scientific, and management services, employing 22.8% of workers. The unemployment rate is 1.4%.
Kansas City is among the largest cities associated with Atchison County, Missouri, with a population of 508,233.
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Statewide data for Missouri
Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.