What is the largest city in Madison County, AL?

Huntsville is the largest city or town in Madison County, with about 222,791 residents.

How many ZIP codes are in Madison County?

Madison County includes 22 ZIP Code Tabulation Areas, including 35741, 35748, 35749, 35750, 35757.

What is the population of Madison County, AL?

About 405,718 people live in Madison County, based on American Community Survey 5-year estimates.

What counties border Madison County?

Madison County borders Morgan County, Limestone County, Marshall County, Jackson County, Franklin County, TN, Lincoln County, TN.

Madison County, AL: Cities, ZIP Codes & Local Data

Population

405,718

Land area

802sq mi

People per sq mi

506

ZIP codes

22

Madison County at a glance

Madison County is about 5 times as dense as Alabama as a whole.
By population, it ranks 3rd among 67 counties in Alabama.
The median household income is $86,499, 35% above the Alabama median of $63,999.
A typical owner-occupied home is valued at $299,200 (43% above Alabama) and median rent is $1,209 a month.
Its largest cities are Huntsville (222,791), Madison (60,106) and Meridianville (11,150).

Local data for Madison County, AL

Counts from official public data

Housing and community stats

Madison County, AL, American Community Survey 2020-2024

Full profile

Median household income

$86,499

Poverty rate

10.1%

Median home value

$299,200

Prices +1.2% in a year

Median rent

$1,209/mo

Homeownership

68.3%

Bachelor's or higher

46.4%

Median age

38.2

Average commute

22.1 min

Largest reported origins and ancestries: German Americans (38,494), Irish Americans (36,598), Mexican Americans (14,435).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.2%

Sep 2026, +0.7 pts in a year

Average annual pay

$79,511

235,169 jobs, 2025

Income per person

$69,038

BEA, 2024

Federal spending

$14.9B

FY 2026, $38,405 per person

PPP loans

$797M

11,767 loans, 91,180 jobs reported

Campaign donations

$5M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Madison County, AL, workers 16 and older. American Community Survey 5-year estimates

Drove alone75.7%
Carpooled6.7%
Public transit0.2%
Walked1.1%
Bicycle0.0%
Taxi, ride-hailing, motorcycle or other1.3%
Worked from home15.1%

Average one-way commute: 22.1 minutes for people who do not work from home.

Environment and hazard risk

Madison County, AL, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: tornado

Storm events since 1996

2,233

Most often thunderstorm wind

Flood insurance policies

3,053

2.2% of homes, county

July high / Jan low

92° / 33°F

54.3 inches of rain a year

Hazards, floods and storm history Check a flood zone 69 historic places

Health statistics

Share of adults in Madison County, AL, CDC PLACES estimates

All 40 measures

Obesity

39.9%

U.S. 33.3% +6.6 pts

Diabetes

12.1%

U.S. 12.1% about the same

Smoking

11.8%

U.S. 12.8% -1.0 pts

Uninsured (18-64)

8.0%

U.S. 11.1% -3.1 pts

Cities, towns and ZIP codes in Madison County

Population shown

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Frequently asked questions

What is the largest city in Madison County, AL?: Huntsville is the largest city or town in Madison County, with about 222,791 residents.
How many ZIP codes are in Madison County?: Madison County includes 22 ZIP Code Tabulation Areas, including 35741, 35748, 35749, 35750, 35757.
What is the population of Madison County, AL?: About 405,718 people live in Madison County, based on American Community Survey 5-year estimates.
What counties border Madison County?: Madison County borders Morgan County, Limestone County, Marshall County, Jackson County, Franklin County, TN, Lincoln County, TN.