• county
  • FIPS 29007
  • Largest town: Mexico

Audrain County, Missouri

Audrain County had 24,304 residents in the Census Vintage 2024 estimate, on 692.3 square miles of land. It ranks 44th of 115 in Missouri by population and 30th by land area.

Population
24,304
#44 of 115 in Missouri · #1,640 in US
Area
692.3 sq mi
#30 of 115 in Missouri · #1,352 in US
Density
35 / sq mi
#51 of 115 in Missouri · #1,794 in US
Median household income
$55,957
#60 of 115 in Missouri · #2,237 in US

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

Audrain County within Missouri. Pin: Jefferson City.

Measure from here

Tools and pages that start from Audrain County

Audrain County population, land area and income

Audrain County had 24,304 residents in the Census Vintage 2024 estimate, on 692.3 square miles of land. It ranks 44th of 115 in Missouri by population and 30th by land area. That works out to 35.1 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Missouri has 19,100 residents; Audrain County is somewhat larger.

Its SAIPE 2023 median household income of $55,957 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

24,304

3144th1st

1640th of 3,144 (US)

Land area

692 sq mi

3144th1st

1352nd of 3,144 (US)

Density

35.1 / sq mi

3144th1st

1794th of 3,144 (US)

Median household income

$55,957

3143rd1st

2237th of 3,143 (US)

Rank within Missouri (115)

Population

24,304

115th1st

44th of 115 (MO)

Land area

692 sq mi

115th1st

30th of 115 (MO)

Density

35.1 / sq mi

115th1st

51st of 115 (MO)

Median household income

$55,957

115th1st

60th of 115 (MO)

How Audrain County's population changed since 2020

Audrain County lost 477 residents between the July 2020 and July 2024 estimates, a drop of 1.9%. That ranks 102nd 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, Audrain County recorded 1,188 births and 1,438 deaths, a natural change of -250. Net international migration added +11 and net domestic migration, people moving to or from other US counties, came to -427. The largest single component was domestic migration, which removed 427 people.

24.8k202024.9k202124.5k202224.3k202324.3k2024
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
1,188
Deaths
1,438
Net international migration
+11
Net domestic migration
-427
Change, July 2023 to July 2024
-38

Where Audrain County is

The Census internal point of Audrain County is at 39.214500, -91.843400. 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 Audrain 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: Audrain County internal point. Dark pin: Jefferson City.

Internal point

Decimal
39.214500, -91.843400
DMS
39°12'52.20"N 91°50'36.24"W
UTM
15N 599850.3E 4341217.5N
Geohash
9yyxn4c9j
Plus code
86FC6574+QJ

Towns in Audrain County

2 incorporated places of 1,000+ people have residents in Audrain County, 14,421 people together, or 59% of the county. Each figure counts only the part of the town inside Audrain County; towns marked "part" extend into another county. The largest is Mexico with 11,482.

  1. 01Mexico11,482
  2. 02Vandalia2,939
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Audrain County

The Census 2024 county adjacency file lists 7 neighbors for Audrain County. The most populous is Boone County, MO, with 192,154 residents. Distances run between Census internal points in a straight line.

Distance to Jefferson City and the nearest big city

Jefferson City is 47.4 miles SSW of Audrain County's internal point in a straight line. The nearest place of 100,000 or more is Columbia, MO (population 130,900), 31.8 miles away. The nearest place of 10,000 or more is Mexico, MO (population 11,482), 3.9 miles away.

Audrain County FIPS code

The FIPS code of Audrain County is 29007: state code 29 for Missouri plus county code 007. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $55,957.

Questions people ask

What is the population of Audrain County, Missouri?

The Census Vintage 2024 estimate for July 1, 2024 is 24,304. That is down 477 people (1.9%) from the July 2020 estimate of 24,781.

What is the FIPS code of Audrain County?

29007. The first two digits (29) are Missouri; the last three (007) identify the county.

What is the largest town in Audrain County?

Mexico, with 11,482 residents inside Audrain County in 2024.

Which counties border Audrain County?

7 county-equivalents border it in the Census 2024 adjacency file: Boone County, MO; Callaway County, MO; Randolph County, MO; Pike County, MO; Montgomery County, MO; Ralls County, MO; Monroe 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.