Madison, SD Demographics

A map of Madison's Population by Race

Madison, South Dakota has an estimated population of 6,094, a slight decrease from the 6,191 recorded in the 2020 Census. The population is 91.3% White, 4.3% Hispanic, 1.3% Black, 1.2% Native American/Other, 1.1% Multiracial, and 0.8% Asian. This demographic dot map shows the population of Madison, with one dot drawn for each person counted by the Census, color-coded by race.

Madison has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than South Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Madison, that probability was 29.1% in 2020 and 16.5% in the most recent ACS estimates.

Madison is ranked the 18th most populous place in South Dakota, out of 485 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Madison was ranked the 17th most populous place in the 2020 Census.

Madison's White Population

5,561 residents of Madison, or 91.3% of the population, identify as White. The share of White residents in Madison is considerably higher than in South Dakota overall, where 79.8% of the population is White. Madison ranks 338th statewide in terms of White residents as a share of the population, out of 485 places.

Since the 2020 Census, Madison's White population has grown by an estimated 7.4%. White residents' share of Madison's population has increased from 83.6% to 91.3%.

Madison is more White than neighboring Lake Madison (88.9% White), Rustic Acres Colony (0% White), and Ramona (33.1% White). Madison is less White than neighboring Wentworth (93.5% White), and Nunda (97.5% White).

Madison's Black Population

80 residents of Madison, or 1.3% of the population, identify as Black. The share of Black residents in Madison is comparable to the share in South Dakota overall, where 2.1% of the population is Black. Madison ranks 28th statewide in terms of Black residents as a share of the population, out of 485 places.

Since the 2020 Census, Madison's Black population has declined by an estimated 4.8%. Black residents' share of Madison's population has remained roughly unchanged at 1.3%.

Madison is more Black than neighboring Lake Madison (0% Black), Rustic Acres Colony (0% Black), Wentworth (0% Black), Ramona (0% Black), and Nunda (0% Black).

Madison's Asian Population

49 residents of Madison, or 0.8% of the population, identify as Asian. The share of Asian residents in Madison is comparable to the share in South Dakota overall, where 1.4% of the population is Asian. Madison ranks 54th statewide in terms of Asian residents as a share of the population, out of 485 places.

Since the 2020 Census, Madison's Asian population has declined by an estimated 18.3%. Asian residents' share of Madison's population has remained roughly unchanged at 0.8%.

Madison is more Asian than neighboring Lake Madison (0% Asian), Wentworth (0% Asian), Ramona (0% Asian), and Nunda (0% Asian). Madison is less Asian than neighboring Rustic Acres Colony (100% Asian).

Madison's Hispanic Population

264 residents of Madison, or 4.3% of the population, identify as Hispanic. The share of Hispanic residents in Madison is comparable to the share in South Dakota overall, where 4.8% of the population is Hispanic. Madison ranks 44th statewide in terms of Hispanic residents as a share of the population, out of 485 places.

Since the 2020 Census, Madison's Hispanic population has declined by an estimated 51.8%. Hispanic residents' share of Madison's population has decreased from 8.9% to 4.3%.

Madison is more Hispanic than neighboring Lake Madison (0% Hispanic), Rustic Acres Colony (0% Hispanic), Wentworth (0% Hispanic), and Nunda (0% Hispanic). Madison is less Hispanic than neighboring Ramona (53% Hispanic).

Madison's Native American/Other Population

71 residents of Madison, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Madison is lower than in South Dakota overall, where 7.5% of the population is Native American/Other. Madison ranks 213th statewide in terms of Native American/Other residents as a share of the population, out of 485 places.

Since the 2020 Census, Madison's Native American/Other population has declined by an estimated 41.3%. Native American/Other residents' share of Madison's population has decreased from 2.0% to 1.2%.

Madison is more Native American/Other than neighboring Rustic Acres Colony (0% Native American/Other), and Nunda (0% Native American/Other). Madison is less Native American/Other than neighboring Lake Madison (6.7% Native American/Other), Wentworth (2.2% Native American/Other), and Ramona (13.4% Native American/Other).

Madison's Multiracial Population

69 residents of Madison, or 1.1% of the population, identify as Multiracial. The share of Multiracial residents in Madison is slightly lower than in South Dakota overall, where 4.4% of the population is Multiracial. Madison ranks 200th statewide in terms of Multiracial residents as a share of the population, out of 485 places.

Since the 2020 Census, Madison's Multiracial population has declined by an estimated 65.7%. Multiracial residents' share of Madison's population has decreased from 3.2% to 1.1%.

Madison is more Multiracial than neighboring Rustic Acres Colony (0% Multiracial), and Ramona (0.6% Multiracial). Madison is less Multiracial than neighboring Lake Madison (4.4% Multiracial), Wentworth (4.3% Multiracial), and Nunda (2.5% 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.