Madison County Demographics

A map of Madison County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	250,071	237,497	61.6%	61.2%
Black	95,562	91,079	23.6%	23.5%
Hispanic	27,577	24,936	6.8%	6.4%
Multiracial	19,420	20,178	4.8%	5.2%
Asian	10,152	10,179	2.5%	2.6%
Native American/Other	2,936	4,284	0.7%	1.1%

Madison County, Alabama has an estimated population of 405,718, an increase from the 388,153 recorded in the 2020 Census. The population is 61.6% White, 23.6% Black, 6.8% Hispanic, 4.8% Multiracial, 2.5% Asian, and 0.7% Native American/Other. This demographic dot map shows the population of Madison County, with one dot drawn for each person counted by the Census, color-coded by race.

Madison has become slightly less racially diverse since the 2020 Census. It is more diverse than Alabama overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Madison County, that probability was 56.3% in 2020 and 55.7% in the most recent ACS estimates.

Madison County is ranked the 3rd most populous county in Alabama, out of 67 counties. Madison County was ranked the 3rd most populous county in the 2020 Census.

Madison County's White Population

250,071 residents of Madison County, or 61.6% of the population, identify as White. The share of White residents in Madison County is comparable to the share in Alabama overall, where 63.4% of the population is White. Madison County ranks 42nd statewide in terms of White residents as a share of the population, out of 67 counties.

Since the 2020 Census, Madison County's White population has grown by an estimated 5.3%. White residents' share of Madison County's population has remained roughly unchanged at 61.6%.

Madison County is less White than neighboring Lincoln County (84.6% White), Morgan County (72.1% White), Limestone County (72.3% White), Marshall County (76.4% White), and Jackson County (88.2% White).

Madison County's Black Population

95,562 residents of Madison County, or 23.6% of the population, identify as Black. The share of Black residents in Madison County is comparable to the share in Alabama overall, where 25.6% of the population is Black. Madison County ranks 31st statewide in terms of Black residents as a share of the population, out of 67 counties.

Since the 2020 Census, Madison County's Black population has grown by an estimated 4.9%. Black residents' share of Madison County's population has remained roughly unchanged at 23.6%.

Madison County is more Black than neighboring Lincoln County (5.6% Black), Morgan County (12.5% Black), Limestone County (12.7% Black), Marshall County (2.5% Black), and Jackson County (3.1% Black).

Madison County's Asian Population

10,152 residents of Madison County, or 2.5% of the population, identify as Asian. The share of Asian residents in Madison County is comparable to the share in Alabama overall, where 1.4% of the population is Asian. Madison County ranks 3rd statewide in terms of Asian residents as a share of the population, out of 67 counties.

Since the 2020 Census, Madison County's Asian population has remained roughly the same. Asian residents' share of Madison County's population has remained roughly unchanged at 2.5%.

Madison County is more Asian than neighboring Lincoln County (0.6% Asian), Morgan County (0.6% Asian), Limestone County (1.7% Asian), Marshall County (0.6% Asian), and Jackson County (0.5% Asian).

Madison County's Hispanic Population

27,577 residents of Madison County, or 6.8% of the population, identify as Hispanic. The share of Hispanic residents in Madison County is comparable to the share in Alabama overall, where 5.6% of the population is Hispanic. Madison County ranks 11th statewide in terms of Hispanic residents as a share of the population, out of 67 counties.

Since the 2020 Census, Madison County's Hispanic population has grown by an estimated 10.6%. Hispanic residents' share of Madison County's population has remained roughly unchanged at 6.8%.

Madison County is more Hispanic than neighboring Lincoln County (4.1% Hispanic), and Jackson County (3.6% Hispanic). Madison County is less Hispanic than neighboring Morgan County (10.6% Hispanic), Limestone County (7.5% Hispanic), and Marshall County (17.2% Hispanic).

Madison County's Native American/Other Population

2,936 residents of Madison County, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Madison County is comparable to the share in Alabama overall, where 0.7% of the population is Native American/Other. Madison County ranks 9th statewide in terms of Native American/Other residents as a share of the population, out of 67 counties.

Since the 2020 Census, Madison County's Native American/Other population has declined by an estimated 31.5%. Native American/Other residents' share of Madison County's population has remained roughly unchanged at 0.7%.

Madison County is more Native American/Other than neighboring Lincoln County (0.2% Native American/Other), Marshall County (0.4% Native American/Other), and Jackson County (0.6% Native American/Other). Madison County is less Native American/Other than neighboring Morgan County (0.8% Native American/Other), and Limestone County (0.8% Native American/Other).

Madison County's Multiracial Population

19,420 residents of Madison County, or 4.8% of the population, identify as Multiracial. The share of Multiracial residents in Madison County is comparable to the share in Alabama overall, where 3.3% of the population is Multiracial. Madison County ranks 3rd statewide in terms of Multiracial residents as a share of the population, out of 67 counties.

Since the 2020 Census, Madison County's Multiracial population has declined by an estimated 3.8%. Multiracial residents' share of Madison County's population has remained roughly unchanged at 4.8%.

Madison County is more Multiracial than neighboring Morgan County (3.4% Multiracial), Marshall County (2.8% Multiracial), and Jackson County (4% Multiracial). Madison County is less Multiracial than neighboring Lincoln County (4.9% Multiracial), and Limestone County (5.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.