Madison County Flag

Madison County

State:
Alabama
County Seat:
Huntsville

Madison County's estimated 2026 population is 442,283 with a growth rate of 2.19% in the past year according to the most recent United States census data. Madison County is the 2nd largest county in Alabama. The 2010 population was 336,114 and has seen a growth of 31.59% since that time.

442,283
Total Population
551
Population Density (mi²)
2
Population Rank (State)
9.5K 2.19%
Annual Population Growth

Madison County Population

Demographics

Economics and Income Statistics