Madison County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 54th-largest in Ohio
The population of Madison County, Ohio is 44,126 as of the 2023 American Community Survey, making it the 54th-largest county in Ohio. The median household income is $83,229, the median home value is $231,400, and the median age is 41.5.
The population of Madison County has grown 4.8% since 2010 (43,434 → 45,531), a +0.34% annualized rate.
44,126
Population
+0.34%
Annual growth
95
People / sq mi
$83,229
Median Income
$231,400
Median Home Value
Madison County covers 467 sq mi of land at 94.6 people per square mile.
About Madison County, OH
Madison County is a county in Ohio with a population of 44,126. It ranks #54 among counties in Ohio by population. The median age is 41.5, older than the national median. The population is 55.0% male and 45.0% female.
The median household income in Madison County is $83,229, above the US median of $74,580. 6.6% of residents live below the federal poverty level. Home values sit at a median of $231,400, with monthly rent averaging $944. The homeownership rate of 75.9% is higher than the national rate of 64.8%.
Educational attainment in Madison County reflects 22.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 12.9% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 25.5 minutes each way.
Madison County Population History (2010-2024)
The county of Madison County had a population of 43,434 in 2010 and 45,531 in 2024, a 4.8% growth over 14 years. The peak was 45,531 in 2024. Average annual growth rate: 0.35%.
45,531
Population (2024)
43,434
Population (2010)
45,531
Peak (2024)
0.35%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 43,434 |
| 2011 | 43,120 |
| 2012 | 42,996 |
| 2013 | 43,263 |
| 2014 | 43,988 |
| 2015 | 44,149 |
| 2016 | 43,400 |
| 2017 | 44,077 |
| 2018 | 44,393 |
| 2019 | 44,812 |
| 2020 | 43,858 |
| 2021 | 44,447 |
| 2022 | 43,613 |
| 2023 | 44,668 |
| 2024 | 45,531 |
Race & Ethnicity
| White | 87.5% |
| Black or African American | 4.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.4% |
| Two or More Races | 0.0% |
Age & Sex
41.5
Median Age
45.0%
Female
55.0%
Male
16.1%
Age 65+
Age Distribution
Children (under 15): 16.5% · Seniors (65+): 16.1%
Income & Poverty
| Median household income | $83,229+$13,549 vs state |
| Mean household income | $99,213 |
| Per-capita income | $36,265 |
| Poverty rate | 6.6%-2.6% vs state |
| Unemployment rate | 2.3% |
| Employment-to-population | 55.2% |
Top Industries by Employment
The largest employment sector in Madison County is manufacturing, accounting for 16.3% of workers.
How residents commute
0.3%
Drive alone
1.2%
Carpool
77.4%
Public transit
12.9%
Work from home
25.5 min
Avg commute
Housing
$231,400+$32,200 vs state
Median home value
$944
Median rent
75.9%
Homeownership rate
16,361
Total housing units
93.9%
Occupied
6.1%
Vacant
24.1%
Renter-occupied
Social & access
92.4%
With health insurance
94.1%
With broadband internet
13.8%
Foreign-born
7.8%
Veterans (18+)
14.8%
With a disability
94.6%
Speak language other than English at home
Education
88.9%
High School+
22.4%
Bachelor's+
Largest cities in Ohio
Other counties in Ohio
Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Madison County, Ohio has a population of 44,126 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 54th-largest county in Ohio. Population density is 95 people per square mile.
The population of Madison County has grown 4.8% since 2010 (43,434 → 45,531), a +0.34% annualized rate.
The median household income in Madison County, Ohio is $83,229, with mean (average) household income of $99,213 and per-capita income of $36,265. 6.6% of residents live below the federal poverty level.
In Madison County, the largest racial and ethnic groups are White (87.5%), Black or African American (4.7%), Hispanic or Latino (2.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Madison County, Ohio is 41.5 years. Residents are 45.0% female and 55.0% male.
The median home value in Madison County is $231,400 and median monthly rent is $944. 75.9% of occupied housing units are owner-occupied. The county has 16,361 total housing units, 6.1% of which are vacant.
The largest employment sector in Madison County, Ohio is manufacturing, employing 16.3% of workers. The unemployment rate is 2.3%.
Columbus is among the largest cities associated with Madison County, Ohio, with a population of 906,480.
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Statewide data for Ohio
Population, race, income, age, and trends across Ohio
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.