Adair County Demographics

A map of Adair County's Population by Race

Adair County, Missouri has an estimated population of 25,301, a less than 1% change from the 25,314 recorded in the 2020 Census. The population is 87.1% White, 4.4% Black, 3.1% Multiracial, 3.0% Hispanic, 2.1% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Adair County, with one dot drawn for each person counted by the Census, color-coded by race.

Adair 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 Adair County, that probability was 26.7% in 2020 and 23.8% in the most recent ACS estimates.

Adair County is ranked the 41st most populous county in Missouri, out of 115 counties. Adair County was ranked the 41st most populous county in the 2020 Census.

Adair County's White Population

22,028 residents of Adair County, or 87.1% of the population, identify as White. The share of White residents in Adair County is considerably higher than in Missouri overall, where 76.3% of the population is White. Adair County ranks 85th statewide in terms of White residents as a share of the population, out of 115 counties.

Since the 2020 Census, Adair County's White population has grown by an estimated 2.0%. White residents' share of Adair County's population has increased from 85.3% to 87.1%.

Adair County is more White than neighboring Sullivan County (76.8% White). Adair County is less White than neighboring Schuyler County (94.2% White), Macon County (92% White), Knox County (94.8% White), and Putnam County (95.1% White).

Adair County's Black Population

1,123 residents of Adair County, or 4.4% of the population, identify as Black. The share of Black residents in Adair County is lower than in Missouri overall, where 10.9% of the population is Black. Adair County ranks 24th statewide in terms of Black residents as a share of the population, out of 115 counties.

Since the 2020 Census, Adair County's Black population has declined by an estimated 11.2%. Black residents' share of Adair County's population has decreased from 5.0% to 4.4%.

Adair County is more Black than neighboring Schuyler County (0.2% Black), Macon County (1.8% Black), Knox County (0.6% Black), Putnam County (0.2% Black), and Sullivan County (2.7% Black).

Adair County's Asian Population

526 residents of Adair County, or 2.1% of the population, identify as Asian. The share of Asian residents in Adair County is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Adair County ranks 7th statewide in terms of Asian residents as a share of the population, out of 115 counties.

Since the 2020 Census, Adair County's Asian population has declined by an estimated 23.2%. Asian residents' share of Adair County's population has decreased from 2.7% to 2.1%.

Adair County is more Asian than neighboring Schuyler County (0.5% Asian), Macon County (0.6% Asian), Knox County (0.2% Asian), Putnam County (0% Asian), and Sullivan County (1% Asian).

Adair County's Hispanic Population

755 residents of Adair County, or 3.0% of the population, identify as Hispanic. The share of Hispanic residents in Adair County is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Adair County ranks 36th statewide in terms of Hispanic residents as a share of the population, out of 115 counties.

Since the 2020 Census, Adair County's Hispanic population has grown by an estimated 14.2%. Hispanic residents' share of Adair County's population has remained roughly unchanged at 3.0%.

Adair County is more Hispanic than neighboring Schuyler County (0.7% Hispanic), Macon County (1.9% Hispanic), and Knox County (0.3% Hispanic). Adair County is less Hispanic than neighboring Sullivan County (18.1% Hispanic).

Adair County's Native American/Other Population

80 residents of Adair County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Adair County is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Adair County ranks 97th statewide in terms of Native American/Other residents as a share of the population, out of 115 counties.

Since the 2020 Census, Adair County's Native American/Other population has declined by an estimated 23.1%. Native American/Other residents' share of Adair County's population has remained roughly unchanged at 0.3%.

Adair County is more Native American/Other than neighboring Schuyler County (0.2% Native American/Other), and Sullivan County (0.2% Native American/Other). Adair County is less Native American/Other than neighboring Knox County (2.3% Native American/Other), and Putnam County (0.4% Native American/Other).

Adair County's Multiracial Population

789 residents of Adair County, or 3.1% of the population, identify as Multiracial. The share of Multiracial residents in Adair County is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Adair County ranks 79th statewide in terms of Multiracial residents as a share of the population, out of 115 counties.

Since the 2020 Census, Adair County's Multiracial population has declined by an estimated 21.8%. Multiracial residents' share of Adair County's population has decreased from 4.0% to 3.1%.

Adair County is more Multiracial than neighboring Knox County (1.8% Multiracial), Putnam County (1.3% Multiracial), and Sullivan County (1.2% Multiracial). Adair County is less Multiracial than neighboring Schuyler County (4.1% Multiracial), and Macon County (3.3% 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.