Olathe, KS Demographics

A map of Olathe's Population by Race

Olathe, Kansas had a population of 141,290 in 2020. It was 71.3% White, 5.8% Black, 4.5% Asian, 12.4% Hispanic, 0.8% Native American/Other, and 5.2% Multiracial. This map presents the population of Olathe, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 740 places in Kansas, Olathe is the 4th most populous. 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).

Olathe's White Population

100,691 residents of Olathe identify as White, or 71.3%. This makes the White share of the population of Olathe roughly similar to the White share of the population of Kansas (72.2% White). Of the 740 places in Kansas, Olathe is ranked #675 in terms of White residents as a share of the population.

Olathe is less White than neighboring Lenexa (75.9% White), Spring Hill (86.4% White), Gardner (76.5% White), Overland Park (73.2% White), and Shawnee (76% White).

Olathe's Black Population

8,262 residents of Olathe identify as Black, or 5.8%. This makes the Black share of the population of Olathe roughly similar to the Black share of the population of Kansas (5.6% Black). Of the 740 places in Kansas, Olathe is ranked #25 in terms of Black residents as a share of the population.

Olathe is more Black than neighboring Spring Hill (1.9% Black), Gardner (3.8% Black), Overland Park (4.5% Black), and Shawnee (5.6% Black). Olathe is less Black than neighboring Lenexa (6.3% Black).

Olathe's Asian Population

6,293 residents of Olathe identify as Asian, or 4.5%. This makes the Asian share of the population of Olathe roughly similar to the Asian share of the population of Kansas (2.9% Asian). Of the 740 places in Kansas, Olathe is ranked #11 in terms of Asian residents as a share of the population.

Olathe is more Asian than neighboring Lenexa (4.1% Asian), Spring Hill (0.7% Asian), Gardner (1.7% Asian), and Shawnee (3.1% Asian). Olathe is less Asian than neighboring Overland Park (9.3% Asian).

Olathe's Hispanic Population

17,485 residents of Olathe identify as Hispanic, or 12.4%. This makes the Hispanic share of the population of Olathe roughly similar to the Hispanic share of the population of Kansas (13% Hispanic). Of the 740 places in Kansas, Olathe is ranked #88 in terms of Hispanic residents as a share of the population.

Olathe is more Hispanic than neighboring Lenexa (8.3% Hispanic), Spring Hill (5.1% Hispanic), Gardner (10.2% Hispanic), Overland Park (7.8% Hispanic), and Shawnee (9.2% Hispanic).

Olathe's Native American/Other Population

1,149 residents of Olathe identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.8%. This makes the Native American/Other share of the population of Olathe roughly similar to the Native American/Other share of the population of Kansas (1.2% Native American/Other). Of the 740 places in Kansas, Olathe is ranked #332 in terms of Native American/Other residents as a share of the population.

Olathe is more Native American/Other than neighboring Lenexa (0.7% Native American/Other), Overland Park (0.7% Native American/Other), and Shawnee (0.7% Native American/Other). Olathe is less Native American/Other than neighboring Gardner (1% Native American/Other).

Olathe's Multiracial Population

7,410 residents of Olathe identify as Multiracial, or 5.2%. This makes the Multiracial share of the population of Olathe roughly similar to the Multiracial share of the population of Kansas (5.1% Multiracial). Of the 740 places in Kansas, Olathe is ranked #274 in terms of Multiracial residents as a share of the population.

Olathe is more Multiracial than neighboring Lenexa (4.7% Multiracial), Spring Hill (5.1% Multiracial), and Overland Park (4.5% Multiracial). Olathe is less Multiracial than neighboring Gardner (6.7% Multiracial), and Shawnee (5.4% Multiracial).

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