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Population Review

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.

Madison County within Alabama · Source: US Census TIGER/Line via us-atlas

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%.

2024 · 423K20102024

423,355

Population (2024)

336,114

Population (2010)

423,355

Peak (2024)

1.67%

Avg Annual Growth

YearPopulation
2010336,114
2011339,623
2012342,823
2013346,764
2014349,973
2015353,194
2016356,985
2017362,061
2018367,386
2019372,547
2020390,527
2021396,663
2022404,155
2023413,891
2024423,355

Race & Ethnicity

White64.2%
Black or African American24.3%
Asian0.0%
Hispanic or Latino (any race)2.0%
Two or More Races0.0%

Age & Sex

38.2

Median Age

50.8%

Female

49.2%

Male

15.5%

Age 65+

Age Distribution

Under 5
5.7%
5–9
5.9%
10–14
6.3%
15–19
6.7%
20–24
6.7%
25–34
14.2%
35–44
12.8%
45–54
12.2%
55–59
6.9%
60–64
7.1%
65–74
9.2%
75–84
4.7%
85+
1.6%

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 rate7.4%-3.9% vs state
Unemployment rate2.4%
Employment-to-population62.0%

Top Industries by Employment

Finance & real estate
19.6%
Professional & business services
19.5%
Manufacturing
13.3%
Public administration
8.9%
Education & health care
7.5%
Construction
5.5%
Arts, entertainment & food
4.4%
Information
4.1%

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.