• county
  • FIPS 29005
  • Largest town: Tarkio

Atchison County, Missouri

Atchison County had 5,139 residents in the Census Vintage 2024 estimate, on 547.3 square miles of land. It ranks 108th of 115 in Missouri by population and 67th by land area.

Population
5,139
#108 of 115 in Missouri · #2,809 in US
Area
547.3 sq mi
#67 of 115 in Missouri · #1,906 in US
Density
9.4 / sq mi
#107 of 115 in Missouri · #2,587 in US
Median household income
$56,797
#53 of 115 in Missouri · #2,155 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Atchison County within Missouri. Pin: Jefferson City.

Measure from here

Tools and pages that start from Atchison County

Atchison County population, land area and income

Atchison County had 5,139 residents in the Census Vintage 2024 estimate, on 547.3 square miles of land. It ranks 108th of 115 in Missouri by population and 67th by land area. That works out to 9.4 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Missouri has 19,100 residents, so Atchison County has 27% of the typical county's population.

Its SAIPE 2023 median household income of $56,797 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

5,139

3144th1st

2809th of 3,144 (US)

Land area

547 sq mi

3144th1st

1906th of 3,144 (US)

Density

9.4 / sq mi

3144th1st

2587th of 3,144 (US)

Median household income

$56,797

3143rd1st

2155th of 3,143 (US)

Rank within Missouri (115)

Population

5,139

115th1st

108th of 115 (MO)

Land area

547 sq mi

115th1st

67th of 115 (MO)

Density

9.4 / sq mi

115th1st

107th of 115 (MO)

Median household income

$56,797

115th1st

53rd of 115 (MO)

How Atchison County's population changed since 2020

Atchison County lost 166 residents between the July 2020 and July 2024 estimates, a drop of 3.1%. That ranks 108th of 115 in Missouri for growth. The median Missouri county changed by +1.4%, and the state as a whole by +1.5%.

Since the April 2020 estimates base, Atchison County recorded 196 births and 392 deaths, a natural change of -196. Net international migration added +5 and net domestic migration, people moving to or from other US counties, came to +31. The largest single component was natural change, which removed 196 people.

5,30520205,21020215,16320225,11620235,1392024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
196
Deaths
392
Net international migration
+5
Net domestic migration
+31
Change, July 2023 to July 2024
+23

Where Atchison County is

The Census internal point of Atchison County is at 40.431800, -95.437600. It sits in UTM zone 15N. The map shades Missouri's 115 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Atchison County outlined. Dots are towns of 1,000+ people with residents in it.

Pettis County: +1.8%Henry County: +2.7%Texas County: +5.7%Madison County: +1.8%St. Louis city: -6.9%Cole County: +1.3%Washington County: +0.6%Macon County: -0.1%Barton County: +0.8%Grundy County: +0.1%Cedar County: +5.7%Randolph County: -1.6%Ray County: +0.3%Caldwell County: +2.0%Benton County: +6.1%Douglas County: +5.9%Shannon County: +3.4%Dade County: +0.5%Wright County: +7.1%Gentry County: +2.6%Lawrence County: +3.0%Cooper County: +2.9%Hickory County: +5.6%Moniteau County: +0.5%Dent County: +2.3%Monroe County: +2.3%Maries County: +0.7%Bollinger County: +0.5%Clinton County: +2.4%Knox County: +0.0%Webster County: +7.8%Harrison County: +0.4%Pulaski County: -0.1%Adair County: +1.5%Warren County: +7.7%Daviess County: +1.3%Audrain County: -1.9%Howard County: -0.1%Linn County: +0.4%Saline County: -0.1%Miller County: +3.6%Dallas County: +4.3%Morgan County: +6.7%New Madrid County: -6.8%Newton County: +4.8%Oregon County: +1.0%Franklin County: +2.3%Greene County: +2.9%Ralls County: +1.4%Lafayette County: +1.4%Livingston County: +4.8%McDonald County: +3.3%Barry County: +3.1%Cape Girardeau County: +2.2%Carroll County: -0.6%Christian County: +7.6%Vernon County: +0.6%Carter County: +3.0%Andrew County: -0.1%Jasper County: +2.9%Worth County: -4.9%Lincoln County: +10.1%Marion County: -0.2%Holt County: +1.2%Howell County: +2.4%St. Francois County: +1.6%Chariton County: +0.1%Butler County: -0.6%Iron County: -1.0%Perry County: +0.7%Cass County: +5.3%St. Louis County: -1.0%Dunklin County: -4.3%Wayne County: -1.1%Ozark County: +6.7%Laclede County: +1.9%Reynolds County: -2.5%Lewis County: -1.9%Taney County: +1.2%Ripley County: +0.4%Ste. Genevieve County: +0.4%Scotland County: -0.1%Putnam County: -3.1%Schuyler County: +1.5%Shelby County: -2.8%Boone County: +4.4%Mercer County: -1.7%Platte County: +5.6%Camden County: +3.1%Bates County: +2.1%Johnson County: +3.4%Sullivan County: -3.8%Atchison County: -3.1%Scott County: -0.2%Montgomery County: +2.0%Jefferson County: +2.2%Clark County: -0.5%Callaway County: +1.8%St. Clair County: +5.4%Buchanan County: -1.1%Pemiscot County: -7.6%Polk County: +4.6%Phelps County: +2.5%Stone County: +4.6%Osage County: +1.7%Clay County: +3.6%Nodaway County: -2.4%Crawford County: -1.0%Jackson County: +1.4%St. Charles County: +4.3%Mississippi County: -3.1%Pike County: +3.1%Stoddard County: -0.7%Gasconade County: -0.7%DeKalb County: -14.8%
Change 2020 to 2024
  1. < -0.7%
  2. < +0.5%
  3. < +2.0%
  4. < +3.6%
  5. ≥ +3.6%
no data

Orange pin: Atchison County internal point. Dark pin: Jefferson City.

Internal point

Decimal
40.431800, -95.437600
DMS
40°25'54.48"N 95°26'15.36"W
UTM
15N 293233.7E 4478538.0N
Geohash
9zhnh22kq
Plus code
86G6CHJ6+PX

Towns in Atchison County

2 incorporated places of 1,000+ people have residents in Atchison County, 2,708 people together, or 53% of the county. Each figure counts only the part of the town inside Atchison County; towns marked "part" extend into another county. The largest is Tarkio with 1,470.

  1. 01Tarkio1,470
  2. 02Rock Port1,238
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Atchison County

The Census 2024 county adjacency file lists 6 neighbors for Atchison County, including 4 across a state line. The most populous is Nodaway County, MO, with 20,503 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 216.0 miles SE of Atchison County's internal point in a straight line. The nearest place of 100,000 or more is Omaha, NE (population 489,265), 65.8 miles away. The nearest place of 10,000 or more is Maryville, MO (population 10,193), 30.5 miles away.

Atchison County FIPS code

The FIPS code of Atchison County is 29005: state code 29 for Missouri plus county code 005. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $56,797.

Questions people ask

What is the population of Atchison County, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 5,139. That is down 166 people (3.1%) from the July 2020 estimate of 5,305.

What is the FIPS code of Atchison County?

29005. The first two digits (29) are Missouri; the last three (005) identify the county.

What is the largest town in Atchison County?

Tarkio, with 1,470 residents inside Atchison County in 2024.

Which counties border Atchison County?

6 county-equivalents border it in the Census 2024 adjacency file: Nodaway County, MO; Otoe County, NE; Page County, IA; Nemaha County, NE; Fremont County, IA; Holt County, MO.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.