Madison County Demographics

A map of Madison County's Population by Race

Madison County, Idaho had a population of 52,913 in 2020. It was 83.1% White, 1.3% Black, 1.8% Asian, 9.9% Hispanic, 1.0% Native American/Other, and 2.8% Multiracial. This map presents the population of Madison County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Madison County is the 7th most populous county of the 44 counties in Idaho.

Madison County's White Population

43,985 residents of Madison County identify as White, or 83.1%. This makes the White share of the population of Madison County roughly similar to the White share of the population of Idaho (78.9% White). Of the 44 counties in Idaho, Madison County is ranked #24 in terms of White residents as a share of the population.

Madison County is more White than neighboring Bonneville County (80.6% White), Teton County (78.6% White), and Clark County (58.6% White). Madison County is less White than neighboring Fremont County (84.3% White), and Jefferson County (85.6% White).

Madison County's Black Population

709 residents of Madison County identify as Black, or 1.3%. This makes the Black share of the population of Madison County roughly similar to the Black share of the population of Idaho (0.8% Black). Of the 44 counties in Idaho, Madison County is ranked #3 in terms of Black residents as a share of the population.

Madison County is more Black than neighboring Bonneville County (0.5% Black), Teton County (0.1% Black), Fremont County (0.2% Black), Jefferson County (0.2% Black), and Clark County (0.4% Black).

Madison County's Asian Population

933 residents of Madison County identify as Asian, or 1.8%. This makes the Asian share of the population of Madison County roughly similar to the Asian share of the population of Idaho (1.4% Asian). Of the 44 counties in Idaho, Madison County is ranked #4 in terms of Asian residents as a share of the population.

Madison County is more Asian than neighboring Bonneville County (1.1% Asian), Teton County (0.4% Asian), Fremont County (0.3% Asian), Jefferson County (0.4% Asian), and Clark County (0.1% Asian).

Madison County's Hispanic Population

5,248 residents of Madison County identify as Hispanic, or 9.9%. This makes the Hispanic share of the population of Madison County roughly similar to the Hispanic share of the population of Idaho (13% Hispanic). Of the 44 counties in Idaho, Madison County is ranked #20 in terms of Hispanic residents as a share of the population.

Madison County is less Hispanic than neighboring Bonneville County (13.8% Hispanic), Teton County (17.4% Hispanic), Fremont County (11.9% Hispanic), Jefferson County (10.5% Hispanic), and Clark County (36.5% Hispanic).

Madison County's Native American/Other Population

533 residents of Madison County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.0%. This makes the Native American/Other share of the population of Madison County roughly similar to the Native American/Other share of the population of Idaho (1.7% Native American/Other). Of the 44 counties in Idaho, Madison County is ranked #28 in terms of Native American/Other residents as a share of the population.

Madison County is more Native American/Other than neighboring Teton County (0.5% Native American/Other), Fremont County (0.9% Native American/Other), Jefferson County (0.9% Native American/Other), and Clark County (0.5% Native American/Other).

Madison County's Multiracial Population

1,505 residents of Madison County identify as Multiracial, or 2.8%. This makes the Multiracial share of the population of Madison County roughly similar to the Multiracial share of the population of Idaho (4.2% Multiracial). Of the 44 counties in Idaho, Madison County is ranked #33 in terms of Multiracial residents as a share of the population.

Madison County is more Multiracial than neighboring Fremont County (2.4% Multiracial), and Jefferson County (2.4% Multiracial). Madison County is less Multiracial than neighboring Bonneville County (3% Multiracial), Teton County (2.9% Multiracial), and Clark County (3.9% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.