Lyon County Demographics

A map of Lyon County's Population by Race

Lyon County, Iowa had a population of 11,934 in 2020. It was 93.6% White, 0.3% Black, 0.2% Asian, 3.4% Hispanic, 0.6% Native American/Other, and 1.9% Multiracial. This map presents the population of Lyon County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Lyon County is the 64th most populous county of the 99 counties in Iowa.

Lyon County's White Population

11,175 residents of Lyon County identify as White, or 93.6%. This makes the White share of the population of Lyon County slightly larger than the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Lyon County is ranked #28 in terms of White residents as a share of the population.

Lyon County is more White than neighboring Rock County (91.6% White), Sioux County (83.4% White), Lincoln County (89.8% White), Nobles County (54.5% White), and Osceola County (86.3% White).

Lyon County's Black Population

38 residents of Lyon County identify as Black, or 0.3%. This makes the Black share of the population of Lyon County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Lyon County is ranked #83 in terms of Black residents as a share of the population.

Lyon County is less Black than neighboring Rock County (0.5% Black), Sioux County (0.5% Black), Lincoln County (1.7% Black), Nobles County (4.4% Black), and Osceola County (0.5% Black).

Lyon County's Asian Population

24 residents of Lyon County identify as Asian, or 0.2%. This makes the Asian share of the population of Lyon County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Lyon County is ranked #92 in terms of Asian residents as a share of the population.

Lyon County is less Asian than neighboring Rock County (0.6% Asian), Sioux County (0.6% Asian), Lincoln County (1.5% Asian), Nobles County (6% Asian), and Osceola County (0.3% Asian).

Lyon County's Hispanic Population

407 residents of Lyon County identify as Hispanic, or 3.4%. This makes the Hispanic share of the population of Lyon County roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Lyon County is ranked #47 in terms of Hispanic residents as a share of the population.

Lyon County is more Hispanic than neighboring Lincoln County (2.6% Hispanic). Lyon County is less Hispanic than neighboring Rock County (3.8% Hispanic), Sioux County (13.7% Hispanic), Nobles County (32.6% Hispanic), and Osceola County (9.7% Hispanic).

Lyon County's Native American/Other Population

68 residents of Lyon County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of Lyon County roughly similar to the Native American/Other share of the population of Iowa (0.7% Native American/Other). Of the 99 counties in Iowa, Lyon County is ranked #31 in terms of Native American/Other residents as a share of the population.

Lyon County is more Native American/Other than neighboring Sioux County (0.4% Native American/Other). Lyon County is less Native American/Other than neighboring Lincoln County (0.9% Native American/Other), Nobles County (0.7% Native American/Other), and Osceola County (1% Native American/Other).

Lyon County's Multiracial Population

222 residents of Lyon County identify as Multiracial, or 1.9%. This makes the Multiracial share of the population of Lyon County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Lyon County is ranked #89 in terms of Multiracial residents as a share of the population.

Lyon County is more Multiracial than neighboring Sioux County (1.4% Multiracial). Lyon County is less Multiracial than neighboring Rock County (2.9% Multiracial), Lincoln County (3.5% Multiracial), and Osceola County (2.2% Multiracial).

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