County · Missouri

Atchison County, Missouri

Atchison County, Missouri. Atchison County had 5,175 residents in 2025 by the Census Bureau's estimate, down 2.5% since 2020, while Missouri grew 1.9%. It holds 7 places (5 cities, villages and boroughs and 2 census-designated) and 2 census tracts. GEOID 29005.

Residents, July 2025 estimate

5,175

Census Bureau estimate (no margin published)
2020 Census count: 5,305 · ACS 2020-2024: 5,187

Median household income

$58,750

±$8,393 (90% margin)
Missouri: $70,702

Median home value

$106,800

±$5,805 (90% margin)
Missouri: $230,300

Median gross rent

$631

±$54 (90% margin)
Missouri: $1,033

How many people live in Atchison County, and is it growing?

The 2020 Census counted 5,305 residents in Atchison County. The Census Bureau estimates 5,175 for July 1, 2025, down 2.5% since 2020, while Missouri grew 1.9%. The 2020-2024 American Community Survey puts the population at 5,187 over 547 square miles of land.

  • July 2020→2021 −92 (5,215)
  • 2021→2022 −47 (5,168)
  • 2022→2023 −35 (5,133)
  • 2023→2024 +34 (5,167)
  • 2024→2025 +8 (5,175)
Atchison County in Missouri. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureAtchison CountyMissouriChange since 2015-2019
Total population5,1876,191,814−42
Households2,287±872,508,227−275
Average household size2.23±0.082.40+0.23
Housing units2,726±232,825,287−230

Atchison County's population since 2000

From 6,430 in 2000 to 5,175 in 2025: down 19.5%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 6,430
  • 2005 (estimate) 6,053
  • 2010 Census 5,685
  • 2015 (estimate) 5,292
  • 2020 Census 5,305
  • 2025 (estimate) 5,175

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Atchison County?

Atchison County holds 7 places: 5 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Tarkio with 1,478 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Atchison County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Tarkiocity1,5061,471±180$56,927$87,80014.4%100%
Rock Portcity1,2781,221±150$45,815$115,60013.7%100%
Fairfaxcity648702±139$56,250$90,50012.7%100%
WestboroGEOID 2978622city116106±53$28,125$34,30045.3%100%
WatsonGEOID 2977848village6151±29not published$26,90021.6%100%
BlanchardGEOID 2906247CDP2751±59not publishednot published0.0%100%
Phelps CityGEOID 2957332CDP00±12not publishednot published–100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Atchison County?

The median resident of Atchison County is 46.7 years old; 20.9% are under 18 and 25.2% are 65 or older. The largest group is non-Hispanic white residents at 92.6%, then non-Hispanic residents of two or more races at 3.9%. 0.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureAtchison CountyMissouriChange since 2015-2019
Median age46.7±1.339.0−1.8
Under 18 years20.9%±0.5 pts22.3%–
65 years and over25.2%±0.3 pts17.9%–
Hispanic or Latino (any race)2.1%5.2%+0.8 pts
White alone, not Hispanic92.6%±1.7 pts76.3%−4.0 pts
Black or African American alone, not Hispanic0.2%±0.3 pts10.9%–
Asian alone, not Hispanic0.4%±0.4 pts2.1%–
American Indian and Alaska Native alone, not Hispanic0.1%±0.1 pts0.2%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.1%±0.2 pts0.1%–
Two or more races, not Hispanic3.9%±1.7 pts4.8%–
Some other race alone, not Hispanic0.5%±0.4 pts0.4%–
Born outside the United States0.8%±0.5 pts4.5%no clear change
Speak a language other than English at home (age 5+)2.5%±1.0 pts6.7%–
Civilian veterans (age 18+)7.8%±1.1 pts7.3%–
With a disability17.9%±2.1 pts14.9%–
No health insurance coverage11.2%±2.0 pts8.8%no clear change
High school graduate or higher (age 25+)91.5%±1.7 pts91.9%–
Bachelor's degree or higher (age 25+)22.2%±3.0 pts32.4%no clear change
Graduate or professional degree (age 25+)6.7%±1.7 pts12.6%–
Moved from another state in the past year2.5%±1.3 pts2.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Atchison County earn?

Half of Atchison County's 2,287 households earn less than $58,750 a year (±$8,393), against $70,702 in Missouri. In 2015-2019 it was $61,825 in 2024 dollars; the margins of error cannot tell the two periods apart. 11.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureAtchison CountyMissouriChange since 2015-2019
Median household income$58,750±$8,393$70,702no clear change
Mean household income$77,295±$6,349$96,247–
Per capita income$34,574±$2,621$39,695−$3,883
People below the poverty line11.6%±2.7 pts12.6%no clear change
Children under 18 below the poverty line19.6%±8.8 pts15.8%no clear change
Households receiving SNAP5.8%±1.6 pts9.8%–
Households with a broadband subscription87.5%±2.7 pts89.3%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Atchison County?

Owners occupy 76.8% of Atchison County's occupied homes and renters 23.2%. The median owner-occupied home is valued at $106,800 by its owner (±$5,805). The median renter pays $631 a month including utilities, and 20.1% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureAtchison CountyMissouriChange since 2015-2019
Median home value (owner-occupied)$106,800±$5,805$230,300no clear change
Median gross rent$631±$54$1,033no clear change
Renters paying 35% or more of income on rent20.1%±5.1 pts36.6%no clear change
Median monthly owner costs, with a mortgage$1,111±$66$1,524–
Owner-occupied homes76.8%±3.4 pts68.1%+7.1 pts
Housing units2,726±232,825,287−230
Homeowner vacancy rate0.4%±0.7 pts0.9%–
Rental vacancy rate7.0%±5.4 pts5.0%–
Single-family detached homes86.8%±2.4 pts70.5%–
Mobile homes3.4%±1.4 pts5.2%–
Built 2020 or later0.6%±0.7 pts1.6%–
Built 1939 or earlier33.5%±3.8 pts13.3%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Atchison County building?

Builders took permits for 0 new housing units across Atchison County in 2025 (0 single-family), 0.0 per 1,000 residents.

  • 2019 1 units
  • 2020 3 units
  • 2021 0 units
  • 2022 2 units
  • 2023 0 units
  • 2024 0 units
  • 2025 0 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Atchison County get to work?

81.9% of Atchison County's workers drive alone and 6.1% work from home. The average trip to work takes 20.3 minutes. The unemployment rate in 2020-2024 averaged 2.3%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureAtchison CountyMissouriChange since 2015-2019
In the labor force (age 16+)62.0%±2.7 pts63.1%–
Unemployment rate2.3%±1.2 pts4.0%no clear change
Drove alone to work81.9%±3.5 pts74.8%–
Carpooled8.5%±2.4 pts8.1%–
Public transportation1.5%±1.4 pts0.8%–
Walked1.0%±0.6 pts1.8%–
Worked from home6.1%±2.3 pts13.0%no clear change
Mean travel time to work20.3 min±1.423.5 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Atchison County's census tracts?

Atchison County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $56,803 (Tract 9501) to $66,164 (Tract 9502).

Census tracts of Atchison County, ACS 2020-2024 5-year estimates; sort by any column
Tract 950129005950100Tarkio (25%)3,0582,888±161$56,803$92,400$63114.2%
Tract 950229005950200Rock Port (16%)2,2472,299±161$66,164$121,600$6258.3%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Atchison County compare with Missouri's other counties?

Atchison County's rank among Missouri's counties with a reliable estimate (1 = highest)
MeasureRank
Population108th of 115
Growth 2020-2025102nd of 115
Residents per square mile107th of 115
Median household income63rd of 115
Median home value109th of 115
Median gross rent101st of 115
Poverty rate88th of 115
Bachelor's degree or higher37th of 115
Median age11th of 115

Every county in Missouri

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Atchison County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.