Cass County Demographics

A map of Cass County's Population by Race

Cass County, Missouri has an estimated population of 110,773, a slight increase from the 107,824 recorded in the 2020 Census. The population is 83.6% White, 5.5% Hispanic, 4.6% Black, 4.4% Multiracial, 1.1% Native American/Other, and 0.8% Asian. This demographic dot map shows the population of Cass County, with one dot drawn for each person counted by the Census, color-coded by race.

Cass has become less racially diverse since the 2020 Census. It is considerably less diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Cass County, that probability was 30.4% in 2020 and 29.3% in the most recent ACS estimates.

Cass County is ranked the 10th most populous county in Missouri, out of 115 counties. Cass County was ranked the 10th most populous county in the 2020 Census.

Cass County's White Population

92,652 residents of Cass County, or 83.6% of the population, identify as White. The share of White residents in Cass County is higher than in Missouri overall, where 76.3% of the population is White. Cass County ranks 89th statewide in terms of White residents as a share of the population, out of 115 counties.

Since the 2020 Census, Cass County's White population has grown by an estimated 3.6%. White residents' share of Cass County's population has increased from 82.9% to 83.6%.

Cass County is more White than neighboring Jackson County (59.3% White), and Johnson County (76.1% White). Cass County is less White than neighboring Bates County (91.7% White), Miami County (89.9% White), and Johnson County (83.7% White).

Cass County's Black Population

5,052 residents of Cass County, or 4.6% of the population, identify as Black. The share of Black residents in Cass County is lower than in Missouri overall, where 10.9% of the population is Black. Cass County ranks 27th statewide in terms of Black residents as a share of the population, out of 115 counties.

Since the 2020 Census, Cass County's Black population has grown by an estimated 3.0%. Black residents' share of Cass County's population has remained roughly unchanged at 4.6%.

Cass County is more Black than neighboring Bates County (2.1% Black), Miami County (1.2% Black), and Johnson County (4.3% Black). Cass County is less Black than neighboring Jackson County (22% Black), and Johnson County (4.8% Black).

Cass County's Asian Population

842 residents of Cass County, or 0.8% of the population, identify as Asian. The share of Asian residents in Cass County is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Cass County ranks 23rd statewide in terms of Asian residents as a share of the population, out of 115 counties.

Since the 2020 Census, Cass County's Asian population has remained roughly the same. Asian residents' share of Cass County's population has remained roughly unchanged at 0.8%.

Cass County is more Asian than neighboring Bates County (0.4% Asian), and Miami County (0.1% Asian). Cass County is less Asian than neighboring Jackson County (1.8% Asian), Johnson County (5.2% Asian), and Johnson County (1.5% Asian).

Cass County's Hispanic Population

6,083 residents of Cass County, or 5.5% of the population, identify as Hispanic. The share of Hispanic residents in Cass County is comparable to the share in Missouri overall, where 5.2% of the population is Hispanic. Cass County ranks 17th statewide in terms of Hispanic residents as a share of the population, out of 115 counties.

Since the 2020 Census, Cass County's Hispanic population has grown by an estimated 9.0%. Hispanic residents' share of Cass County's population has remained roughly unchanged at 5.5%.

Cass County is more Hispanic than neighboring Bates County (2.6% Hispanic), Miami County (4.1% Hispanic), and Johnson County (5.2% Hispanic). Cass County is less Hispanic than neighboring Jackson County (11.4% Hispanic), and Johnson County (9.3% Hispanic).

Cass County's Native American/Other Population

1,241 residents of Cass County, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Cass County is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Cass County ranks 24th statewide in terms of Native American/Other residents as a share of the population, out of 115 counties.

Since the 2020 Census, Cass County's Native American/Other population has grown by an estimated 22.9%. Native American/Other residents' share of Cass County's population has remained roughly unchanged at 1.1%.

Cass County is more Native American/Other than neighboring Jackson County (0.9% Native American/Other), Bates County (0.3% Native American/Other), Miami County (0.2% Native American/Other), and Johnson County (0.5% Native American/Other).

Cass County's Multiracial Population

4,903 residents of Cass County, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Cass County is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Cass County ranks 11th statewide in terms of Multiracial residents as a share of the population, out of 115 counties.

Since the 2020 Census, Cass County's Multiracial population has declined by an estimated 19.4%. Multiracial residents' share of Cass County's population has decreased from 5.6% to 4.4%.

Cass County is more Multiracial than neighboring Bates County (2.9% Multiracial), Johnson County (4% Multiracial), and Johnson County (4.3% Multiracial). Cass County is less Multiracial than neighboring Jackson County (4.6% Multiracial), and Miami County (4.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.