Skip to main content

Audrain County, Missouri Demographics 2026

Audrain County, Missouri has a population of 24,688, the 44th most populous county in Missouri. The median household income is $56,232 and the median home value is $121,600. The poverty rate is 18.0%.

Audrain County Quick Facts

Population 24,688
Median Household Income $56,232
Median Home Value $121,600
Poverty Rate 18.0%
Unemployment Rate 4.1%
Median Age 40.3 years
Homeownership Rate 72.7%
Affordability Ratio 2.2x
Bachelor's Degree+ 16.1%
High School Graduation 88.4%
Cities/Places 8
Population 24,688 44th of 115
Median Income $56,232 18% lower than state
Poverty Rate 18.0%
Unemployment 4.1%

Economy & Housing

Household Income Distribution

Under $25K 21.2%
$25K-$50K 23.5%
$50K-$100K 32.7%
$100K+ 22.5%
Detailed income brackets
Under $10K
7.1%
$10K-$15K
5.3%
$15K-$20K
3.3%
$20K-$25K
5.6%
$25K-$30K
3.8%
$30K-$35K
5.3%
$35K-$40K
6.0%
$40K-$45K
5.1%
$45K-$50K
3.3%
$50K-$60K
7.9%
$60K-$75K
10.3%
$75K-$100K
14.5%
$100K-$125K
8.9%
$125K-$150K
4.9%
$150K-$200K
4.5%
$200K+
4.1%

Employment

4.1% Unemployment Rate State: 4.1%|National: 5.2%
55.9% Labor Force Participation

Housing Overview

Owner 72.7%
Renter 27.3%
Affordability Index Very Affordable
2.2x home value to income ratio

People & Demographics

Diversity Index

23out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 39 | National average: 61

Education

Cities & Places in Audrain County

CityPopulationMedian IncomePovertyHome Value
Mexico11,487$48,87317.1%$117,600
Vandalia3,260$58,64915.8%$75,600
Laddonia592$49,58319.9%$78,300
Martinsburg582$31,73516.3%N/A
Farber352$42,09417.6%$55,200
Vandiver114$54,1670.9%$99,200
Benton City112$41,04223.2%$81,300
Rush Hill106$47,5008.5%$36,900

Population Overview

Audrain County is located in Missouri with a total population of 24,688. It is the 44th most populous county out of 115 in Missouri. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Audrain County is 40.3 years. This is 4% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Audrain County is $56,232. This is 18% lower than the state median of $68,920. It is also 28% lower than the national median of $78,538. The poverty rate stands at 18.0%. This is 43% higher than the state poverty rate of 12.6%. The unemployment rate is 4.1%. The median home value is $121,600. Housing costs are 44% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.2x, Audrain County is one of the most affordable housing markets in the area. 72.7% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 67.9%.

Race & Ethnicity

Audrain County has a predominantly White (non-Hispanic) population, comprising 87.3% of all residents. Black or African American residents account for 4.7%. The Black or African American population (4.7%) is well below the state average of 11.0%. The Asian population (0.4%) is well below the state average of 2.1%.

Education

16.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.4%.

Data Sources & Methodology

All figures for Audrain County come from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023), with comparisons drawn against Missouri and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Audrain County, Missouri?

Audrain County has a population of 24,688, making it the 44th most populous county in Missouri.

What is the median income in Audrain County?

The median household income in Audrain County is $56,232 with a poverty rate of 18.0%.

How many cities are in Audrain County, Missouri?

Audrain County contains 8 Census-designated places.