Madison County Demographics

A map of Madison County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	11,738	11,555	92.2%	91.5%
Multiracial	486	563	3.8%	4.5%
Hispanic	356	342	2.8%	2.7%
Native American/Other	78	71	0.6%	0.6%
Asian	36	41	0.3%	0.3%
Black	35	54	0.3%	0.4%

Madison County, Missouri has an estimated population of 12,729, a less than 1% change from the 12,626 recorded in the 2020 Census. The population is 92.2% White, 3.8% Multiracial, 2.8% Hispanic, 0.6% Native American/Other, 0.3% Black, and 0.3% Asian. 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 less racially diverse since the 2020 Census. It is considerably less diverse than Missouri 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 16.0% in 2020 and 14.7% in the most recent ACS estimates.

Madison County is ranked the 74th most populous county in Missouri, out of 115 counties. Madison County was ranked the 74th most populous county in the 2020 Census.

Madison County's White Population

11,738 residents of Madison County, or 92.2% of the population, identify as White. The share of White residents in Madison County is significantly higher than in Missouri overall, where 76.3% of the population is White. Madison County ranks 50th statewide in terms of White residents as a share of the population, out of 115 counties.

Since the 2020 Census, Madison County's White population has grown by an estimated 1.6%. White residents' share of Madison County's population has increased from 91.5% to 92.2%.

Madison County is more White than neighboring St. Francois County (89.9% White), and Iron County (91.7% White). Madison County is less White than neighboring Bollinger County (93.7% White), Wayne County (92.4% White), and Ste. Genevieve County (93.8% White).

Madison County's Black Population

35 residents of Madison County, or 0.3% of the population, identify as Black. The share of Black residents in Madison County is considerably lower than in Missouri overall, where 10.9% of the population is Black. Madison County ranks 83rd statewide in terms of Black residents as a share of the population, out of 115 counties.

Since the 2020 Census, Madison County's Black population has declined by an estimated 35.2%. Black residents' share of Madison County's population has remained roughly unchanged at 0.3%.

Madison County is less Black than neighboring Bollinger County (0.8% Black), St. Francois County (2.7% Black), Wayne County (0.4% Black), Iron County (0.5% Black), and Ste. Genevieve County (1.2% Black).

Madison County's Asian Population

36 residents of Madison County, or 0.3% of the population, identify as Asian. The share of Asian residents in Madison County is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Madison County ranks 67th statewide in terms of Asian residents as a share of the population, out of 115 counties.

Since the 2020 Census, Madison County's Asian population has declined by an estimated 12.2%. Asian residents' share of Madison County's population has remained roughly unchanged at 0.3%.

Madison County is more Asian than neighboring Bollinger County (0% Asian), and Ste. Genevieve County (0% Asian). Madison County is less Asian than neighboring St. Francois County (0.4% Asian), and Iron County (1.1% Asian).

Madison County's Hispanic Population

356 residents of Madison County, or 2.8% of the population, identify as Hispanic. The share of Hispanic residents in Madison County is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Madison County ranks 33rd statewide in terms of Hispanic residents as a share of the population, out of 115 counties.

Since the 2020 Census, Madison County's Hispanic population has grown by an estimated 4.1%. Hispanic residents' share of Madison County's population has remained roughly unchanged at 2.8%.

Madison County is more Hispanic than neighboring Bollinger County (1.7% Hispanic), St. Francois County (1.9% Hispanic), Wayne County (1.5% Hispanic), Iron County (2.2% Hispanic), and Ste. Genevieve County (1.5% Hispanic).

Madison County's Native American/Other Population

78 residents of Madison County, or 0.6% 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 Missouri overall, where 0.7% of the population is Native American/Other. Madison County ranks 75th statewide in terms of Native American/Other residents as a share of the population, out of 115 counties.

Since the 2020 Census, Madison County's Native American/Other population has grown by an estimated 9.9%. Native American/Other residents' share of Madison County's population has remained roughly unchanged at 0.6%.

Madison County is more Native American/Other than neighboring Bollinger County (0.5% Native American/Other), Iron County (0.4% Native American/Other), and Ste. Genevieve County (0.1% Native American/Other). Madison County is less Native American/Other than neighboring St. Francois County (1% Native American/Other), and Wayne County (0.8% Native American/Other).

Madison County's Multiracial Population

486 residents of Madison County, or 3.8% of the population, identify as Multiracial. The share of Multiracial residents in Madison County is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Madison County ranks 62nd statewide in terms of Multiracial residents as a share of the population, out of 115 counties.

Since the 2020 Census, Madison County's Multiracial population has declined by an estimated 13.7%. Multiracial residents' share of Madison County's population has decreased from 4.5% to 3.8%.

Madison County is more Multiracial than neighboring Bollinger County (3.2% Multiracial), and Ste. Genevieve County (3.3% Multiracial). Madison County is less Multiracial than neighboring St. Francois County (4.1% Multiracial), Wayne County (4.6% Multiracial), and Iron County (4% 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.