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
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 39 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Audrain County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Mexico | 11,487 | $48,873 | 17.1% | $117,600 |
| Vandalia | 3,260 | $58,649 | 15.8% | $75,600 |
| Laddonia | 592 | $49,583 | 19.9% | $78,300 |
| Martinsburg | 582 | $31,735 | 16.3% | N/A |
| Farber | 352 | $42,094 | 17.6% | $55,200 |
| Vandiver | 114 | $54,167 | 0.9% | $99,200 |
| Benton City | 112 | $41,042 | 23.2% | $81,300 |
| Rush Hill | 106 | $47,500 | 8.5% | $36,900 |
Explore Missouri Rankings
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.