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
Housing cost is the defining feature of Atchison County: the median home is valued at $100,600. With 5,216 residents, Atchison County is a county in Missouri.
The typical household here earns about $59,260, below the US median of $78,538. About 9.9% of residents live below the federal poverty level, below the national 12.4%. Housing costs are among the lowest of comparable places: a median home value of $100,600, with typical rent around $595.
22.0% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Just 5.7% of workers are home-based, below the national 14.0%, and the average commute runs about 22 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.