Madison County, Alabama Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 3rd-largest in Alabama
The population of Madison County, Alabama is 397,135 as of the 2023 American Community Survey, making it the 3rd-largest county in Alabama. The median household income is $83,528, the median home value is $267,800, and the median age is 38.2.
The population of Madison County has grown 26.0% since 2010 (336,114 → 423,355), a +1.66% annualized rate.
397,135
Population
+1.66%
Annual growth
495
People / sq mi
$83,528
Median Income
$267,800
Median Home Value
Madison County covers 802 sq mi of land at 495.4 people per square mile.
About Madison County, AL
Madison County is a county in Alabama with a population of 397,135. It ranks #3 among counties in Alabama by population. The median age is 38.2, in line with the national median. The population is 49.2% male and 50.8% female.
The median household income in Madison County is $83,528, above the US median of $74,580. 7.4% of residents live below the federal poverty level. Home values sit at a median of $267,800, with monthly rent averaging $1,116. The homeownership rate of 68.8% is higher than the national rate of 64.8%.
Educational attainment in Madison County reflects 45.7% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 13.6% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 21.9 minutes each way.
Madison County Population History (2010-2024)
The county of Madison County had a population of 336,114 in 2010 and 423,355 in 2024, a 26.0% growth over 14 years. The peak was 423,355 in 2024. Average annual growth rate: 1.67%.
423,355
Population (2024)
336,114
Population (2010)
423,355
Peak (2024)
1.67%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 336,114 |
| 2011 | 339,623 |
| 2012 | 342,823 |
| 2013 | 346,764 |
| 2014 | 349,973 |
| 2015 | 353,194 |
| 2016 | 356,985 |
| 2017 | 362,061 |
| 2018 | 367,386 |
| 2019 | 372,547 |
| 2020 | 390,527 |
| 2021 | 396,663 |
| 2022 | 404,155 |
| 2023 | 413,891 |
| 2024 | 423,355 |
Race & Ethnicity
| White | 64.2% |
| Black or African American | 24.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Age & Sex
38.2
Median Age
50.8%
Female
49.2%
Male
15.5%
Age 65+
Age Distribution
Children (under 15): 17.9% · Seniors (65+): 15.5%
Income & Poverty
| Median household income | $83,528+$21,501 vs state |
| Mean household income | $111,962 |
| Per-capita income | $46,784 |
| Poverty rate | 7.4%-3.9% vs state |
| Unemployment rate | 2.4% |
| Employment-to-population | 62.0% |
Top Industries by Employment
The largest employment sector in Madison County is finance & real estate, accounting for 19.6% of workers.
How residents commute
0.1%
Drive alone
0.8%
Carpool
77.2%
Public transit
13.6%
Work from home
21.9 min
Avg commute
Housing
$267,800+$72,700 vs state
Median home value
$1,116
Median rent
68.8%
Homeownership rate
174,709
Total housing units
93.0%
Occupied
7.0%
Vacant
31.2%
Renter-occupied
Social & access
92.3%
With health insurance
96.2%
With broadband internet
41.0%
Foreign-born
11.1%
Veterans (18+)
13.5%
With a disability
92.4%
Speak language other than English at home
Education
92.6%
High School+
45.7%
Bachelor's+
Largest cities in Alabama
Other counties in Alabama
Part of Alabama
Metro areas in Alabama
County rankings
Common questions about Madison County, AL
Frequently Asked Questions
Madison County, Alabama has a population of 397,135 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 3rd-largest county in Alabama. Population density is 495 people per square mile.
The population of Madison County has grown 26.0% since 2010 (336,114 → 423,355), a +1.66% annualized rate.
The median household income in Madison County, Alabama is $83,528, with mean (average) household income of $111,962 and per-capita income of $46,784. 7.4% of residents live below the federal poverty level.
In Madison County, the largest racial and ethnic groups are White (64.2%), Black or African American (24.3%), Hispanic or Latino (2.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Madison County, Alabama is 38.2 years. Residents are 50.8% female and 49.2% male.
The median home value in Madison County is $267,800 and median monthly rent is $1,116. 68.8% of occupied housing units are owner-occupied. The county has 174,709 total housing units, 7.0% of which are vacant.
The largest employment sector in Madison County, Alabama is finance, insurance, and real estate, employing 19.6% of workers. The unemployment rate is 2.4%.
Huntsville is among the largest cities associated with Madison County, Alabama, with a population of 218,814.
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Statewide data for Alabama
Population, race, income, age, and trends across Alabama
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.