Martin County Demographics

A map of Martin County's Population by Race

Martin County, Minnesota had a population of 20,025 in 2020. It was 89.6% White, 0.6% Black, 0.5% Asian, 6.6% Hispanic, 0.4% Native American/Other, and 2.3% Multiracial. This map presents the population of Martin County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Martin County is the 49th most populous county of the 87 counties in Minnesota.

Martin County's White Population

17,947 residents of Martin County identify as White, or 89.6%. This makes the White share of the population of Martin County larger than the White share of the population of Minnesota (76.3% White). Of the 87 counties in Minnesota, Martin County is ranked #32 in terms of White residents as a share of the population.

Martin County is more White than neighboring Watonwan County (68.3% White), and Emmet County (86.6% White). Martin County is less White than neighboring Kossuth County (92.8% White), Brown County (92.5% White), and Jackson County (90.4% White).

Martin County's Black Population

112 residents of Martin County identify as Black, or 0.6%. This makes the Black share of the population of Martin County slightly less than the Black share of the population of Minnesota (6.9% Black). Of the 87 counties in Minnesota, Martin County is ranked #51 in terms of Black residents as a share of the population.

Martin County is more Black than neighboring Watonwan County (0.4% Black), Kossuth County (0.5% Black), and Brown County (0.5% Black). Martin County is less Black than neighboring Emmet County (0.9% Black), and Jackson County (1.2% Black).

Martin County's Asian Population

92 residents of Martin County identify as Asian, or 0.5%. This makes the Asian share of the population of Martin County roughly similar to the Asian share of the population of Minnesota (5.2% Asian). Of the 87 counties in Minnesota, Martin County is ranked #57 in terms of Asian residents as a share of the population.

Martin County is more Asian than neighboring Emmet County (0.3% Asian). Martin County is less Asian than neighboring Watonwan County (0.8% Asian), and Jackson County (1.2% Asian).

Martin County's Hispanic Population

1,320 residents of Martin County identify as Hispanic, or 6.6%. This makes the Hispanic share of the population of Martin County roughly similar to the Hispanic share of the population of Minnesota (6.1% Hispanic). Of the 87 counties in Minnesota, Martin County is ranked #23 in terms of Hispanic residents as a share of the population.

Martin County is more Hispanic than neighboring Kossuth County (4.1% Hispanic), Brown County (4.5% Hispanic), and Jackson County (4% Hispanic). Martin County is less Hispanic than neighboring Watonwan County (28.7% Hispanic), and Emmet County (9.4% Hispanic).

Martin County's Native American/Other Population

84 residents of Martin County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of Martin County roughly similar to the Native American/Other share of the population of Minnesota (1.4% Native American/Other). Of the 87 counties in Minnesota, Martin County is ranked #75 in terms of Native American/Other residents as a share of the population.

Martin County is more Native American/Other than neighboring Watonwan County (0.2% Native American/Other), Kossuth County (0.2% Native American/Other), and Brown County (0.3% Native American/Other). Martin County is less Native American/Other than neighboring Emmet County (0.5% Native American/Other), and Jackson County (0.5% Native American/Other).

Martin County's Multiracial Population

470 residents of Martin County identify as Multiracial, or 2.3%. This makes the Multiracial share of the population of Martin County roughly similar to the Multiracial share of the population of Minnesota (4.1% Multiracial). Of the 87 counties in Minnesota, Martin County is ranked #75 in terms of Multiracial residents as a share of the population.

Martin County is more Multiracial than neighboring Watonwan County (1.6% Multiracial), Emmet County (2.1% Multiracial), Kossuth County (2% Multiracial), and Brown County (1.8% Multiracial). Martin County is less Multiracial than neighboring Jackson County (2.8% Multiracial).

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