Madison County, Alabama
Located in Alabama, Madison County has a population of 405,718 residents and a median age of 38.2 years, making it the #183 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.1%. The median home value is $299,200, and the median household income is $86,499, which is 15% above the national median.
Demographics
Madison County has a population of 405,718, making it the #183 most populous county in the US. The median age is 38.2 years, which is 1.8% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Madison County is $86,499, ranking #389 out of 3,222 counties — 15.1% above the national median. The poverty rate is 10.1% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Madison County is $299,200 (+6.1% vs national). Renters pay a median of $1,209/mo and the homeownership rate is 68.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Madison County, 46.4% of adults age 25+ hold a bachelor's degree or higher, which is 37.8% above the national average, ranking #145 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Madison County is 76.5 years. 17.2% of adults report poor or fair health and 8.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.8% of adults in Madison County smoke , 35.7% are obese , and 17.8% report excessive drinking. The drug overdose death rate is 28.9 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Madison County is 8.3 per 100,000 and the suicide rate is 15.3 per 100,000. Motor vehicle deaths occur at a rate of 14.5 per 100,000.
Homicide Rate Trend
Families & Children
13.5% of children in Madison County live in poverty and the infant mortality rate is 6.2 per 1,000 live births. The teen birth rate is 15.7 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Madison County is 69.9%. The mean commute time is 24.3 min, which is 11.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Madison County voted Republican with a margin of 9.0%. The vote was 44.7% Dem / 53.7% Rep. Compared to 2020, the margin shifted 1.0 toward Republicans .
Vote Share Over Time
About Madison County, Alabama
Madison County, Alabama has a total population of 405,718, making it the 183rd most populous county in the United States. The median age in Madison County is 38.2 years, which is 1.8% below the national median of 38.9 years.
The median household income in Madison County is $86,499, which ranks #389 of 3,222 counties nationwide. This is 15.1% above the national median of $75,149. The poverty rate is 10.1%, lower than the national rate of 12.6%. The unemployment rate stands at 3.6%.
The median home value in Madison County is $299,200, 6.1% above the national median. Renters in Madison County pay a median gross rent of $1,209 per month. The homeownership rate is 68.3%, compared to the national rate of 64.4%.
In Madison County, 46.4% of residents aged 25 and older hold a bachelor's degree or higher, 37.8% above the national average of 33.7%. Health insurance coverage stands at 92.3% of the population. The average commute time for workers is 24.3 min.
Madison County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 61.6% of the population, followed by Black (non-Hispanic) (23.6%) and Hispanic or Latino (6.8%).
All data for Madison County, Alabama comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.