Madison County, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 74th-largest in Missouri
The population of Madison County, Missouri is 12,665 as of the 2023 American Community Survey, making it the 74th-largest county in Missouri. The median household income is $58,435, the median home value is $155,900, and the median age is 41.4.
The population of Madison County has grown 5.4% since 2010 (12,197 → 12,852), a +0.37% annualized rate.
12,665
Population
+0.37%
Annual growth
26
People / sq mi
$58,435
Median Income
$155,900
Median Home Value
Madison County covers 494 sq mi of land at 25.6 people per square mile.
About Madison County, MO
Madison County is a county in Missouri with a population of 12,665. It ranks #74 among counties in Missouri by population. The median age is 41.4, older than the national median. The population is 50.3% male and 49.7% female.
The median household income in Madison County is $58,435, below the US median of $74,580. 8.9% of residents live below the federal poverty level. Home values sit at a median of $155,900, with monthly rent averaging $817. The homeownership rate of 75.4% is higher than the national rate of 64.8%.
Educational attainment in Madison County reflects 15.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 26.7 minutes each way.
Madison County Population History (2010-2024)
The county of Madison County had a population of 12,197 in 2010 and 12,852 in 2024, a 5.4% growth over 14 years. The peak was 12,852 in 2024. Average annual growth rate: 0.38%.
12,852
Population (2024)
12,197
Population (2010)
12,852
Peak (2024)
0.38%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,197 |
| 2011 | 12,257 |
| 2012 | 12,376 |
| 2013 | 12,272 |
| 2014 | 12,195 |
| 2015 | 12,182 |
| 2016 | 12,209 |
| 2017 | 12,236 |
| 2018 | 12,205 |
| 2019 | 12,118 |
| 2020 | 12,625 |
| 2021 | 12,665 |
| 2022 | 12,763 |
| 2023 | 12,739 |
| 2024 | 12,852 |
Race & Ethnicity
| White | 94.2% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.4% |
| Two or More Races | 0.0% |
Age & Sex
41.4
Median Age
49.7%
Female
50.3%
Male
19.0%
Age 65+
Age Distribution
Children (under 15): 18.0% · Seniors (65+): 19.0%
Income & Poverty
| Median household income | $58,435$-10,485 vs state |
| Mean household income | $79,585 |
| Per-capita income | $30,380 |
| Poverty rate | 8.9%+0.5% vs state |
| Unemployment rate | 3.9% |
| Employment-to-population | 52.9% |
Top Industries by Employment
The largest employment sector in Madison County is professional & business services, accounting for 27.6% of workers.
How residents commute
0.7%
Drive alone
1.4%
Carpool
75.2%
Public transit
9.1%
Work from home
26.7 min
Avg commute
Housing
$155,900$-59,700 vs state
Median home value
$817
Median rent
75.4%
Homeownership rate
5,853
Total housing units
78.7%
Occupied
21.3%
Vacant
24.6%
Renter-occupied
Social & access
86.4%
With health insurance
90.2%
With broadband internet
19.7%
Foreign-born
9.1%
Veterans (18+)
22.9%
With a disability
96.7%
Speak language other than English at home
Education
88.1%
High School+
15.3%
Bachelor's+
Largest cities in Missouri
Other counties in Missouri
Part of Missouri
Metro areas in Missouri
County rankings
Frequently Asked Questions
Madison County, Missouri has a population of 12,665 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 74th-largest county in Missouri. Population density is 26 people per square mile.
The population of Madison County has grown 5.4% since 2010 (12,197 → 12,852), a +0.37% annualized rate.
The median household income in Madison County, Missouri is $58,435, with mean (average) household income of $79,585 and per-capita income of $30,380. 8.9% of residents live below the federal poverty level.
In Madison County, the largest racial and ethnic groups are White (94.2%), Hispanic or Latino (2.4%), Black or African American (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Madison County, Missouri is 41.4 years. Residents are 49.7% female and 50.3% male.
The median home value in Madison County is $155,900 and median monthly rent is $817. 75.4% of occupied housing units are owner-occupied. The county has 5,853 total housing units, 21.3% of which are vacant.
The largest employment sector in Madison County, Missouri is professional, scientific, and management services, employing 27.6% of workers. The unemployment rate is 3.9%.
Kansas City is among the largest cities associated with Madison County, Missouri, with a population of 508,233.
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Statewide data for Missouri
Population, race, income, age, and trends across Missouri
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.