Sumner County Demographics

A map of Sumner County's Population by Race

Sumner County, Kansas had a population of 22,382 in 2020. It was 86.4% White, 0.9% Black, 0.3% Asian, 5.6% Hispanic, 1.4% Native American/Other, and 5.4% Multiracial. This map presents the population of Sumner County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Sumner County is the 25th most populous county of the 105 counties in Kansas.

Sumner County's White Population

19,347 residents of Sumner County identify as White, or 86.4%. This makes the White share of the population of Sumner County larger than the White share of the population of Kansas (72.2% White). Of the 105 counties in Kansas, Sumner County is ranked #55 in terms of White residents as a share of the population.

Sumner County is more White than neighboring Sedgwick County (64.2% White), Kay County (70.3% White), Harper County (85.9% White), and Cowley County (75.9% White). Sumner County is less White than neighboring Grant County (87.1% White).

Sumner County's Black Population

200 residents of Sumner County identify as Black, or 0.9%. This makes the Black share of the population of Sumner County roughly similar to the Black share of the population of Kansas (5.6% Black). Of the 105 counties in Kansas, Sumner County is ranked #45 in terms of Black residents as a share of the population.

Sumner County is more Black than neighboring Harper County (0.3% Black). Sumner County is less Black than neighboring Sedgwick County (8.6% Black), Kay County (2% Black), Grant County (1.1% Black), and Cowley County (2.5% Black).

Sumner County's Asian Population

73 residents of Sumner County identify as Asian, or 0.3%. This makes the Asian share of the population of Sumner County roughly similar to the Asian share of the population of Kansas (2.9% Asian). Of the 105 counties in Kansas, Sumner County is ranked #71 in terms of Asian residents as a share of the population.

Sumner County is less Asian than neighboring Sedgwick County (4.2% Asian), Kay County (0.6% Asian), and Cowley County (1.4% Asian).

Sumner County's Hispanic Population

1,254 residents of Sumner County identify as Hispanic, or 5.6%. This makes the Hispanic share of the population of Sumner County slightly less than the Hispanic share of the population of Kansas (13% Hispanic). Of the 105 counties in Kansas, Sumner County is ranked #54 in terms of Hispanic residents as a share of the population.

Sumner County is more Hispanic than neighboring Grant County (4.4% Hispanic). Sumner County is less Hispanic than neighboring Sedgwick County (15.8% Hispanic), Kay County (8.4% Hispanic), Harper County (7.7% Hispanic), and Cowley County (11.5% Hispanic).

Sumner County's Native American/Other Population

308 residents of Sumner County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.4%. This makes the Native American/Other share of the population of Sumner County roughly similar to the Native American/Other share of the population of Kansas (1.2% Native American/Other). Of the 105 counties in Kansas, Sumner County is ranked #16 in terms of Native American/Other residents as a share of the population.

Sumner County is more Native American/Other than neighboring Sedgwick County (1.3% Native American/Other). Sumner County is less Native American/Other than neighboring Kay County (10.2% Native American/Other), Grant County (2.4% Native American/Other), Harper County (1.5% Native American/Other), and Cowley County (2.5% Native American/Other).

Sumner County's Multiracial Population

1,200 residents of Sumner County identify as Multiracial, or 5.4%. This makes the Multiracial share of the population of Sumner County roughly similar to the Multiracial share of the population of Kansas (5.1% Multiracial). Of the 105 counties in Kansas, Sumner County is ranked #18 in terms of Multiracial residents as a share of the population.

Sumner County is more Multiracial than neighboring Grant County (4.7% Multiracial), and Harper County (4.3% Multiracial). Sumner County is less Multiracial than neighboring Sedgwick County (5.9% Multiracial), Kay County (8.5% Multiracial), and Cowley County (6.1% Multiracial).

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