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 defined demographically by education — 15.3% of adults hold a bachelor’s degree, below the national average. With 12,665 residents, Madison County is a county in Missouri.
Median household income is $58,435, below the US median of $78,538. About 8.9% of residents live below the federal poverty level, below the national 12.4%. Median home value is $155,900, with typical rent around $817.
Fewer adults hold degrees here than in most comparable places — 15.3%, below the national 35.0%. Remote work is below the national 14.0% at 9.1%, and the average commute runs about 27 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.
Madison County, MO Climate
Madison County, MO has an average annual temperature of 12.7°C (55°F) and receives about 1132 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.7°C
Avg Temp
1132
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 30° | 64 mm |
| February | 2° / 35° | 70 mm |
| March | 7° / 45° | 115 mm |
| April | 13° / 55° | 109 mm |
| May | 17° / 63° | 115 mm |
| June | 22° / 72° | 91 mm |
| July | 25° / 77° | 94 mm |
| August | 24° / 75° | 102 mm |
| September | 20° / 68° | 91 mm |
| October | 14° / 57° | 73 mm |
| November | 8° / 46° | 107 mm |
| December | 2° / 36° | 101 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Madison County, MO
The most comfortable months to visit Madison County, MO are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -7°C low). March is usually the wettest month.
Where to stay near Madison County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.