Clark County Demographics

A map of Clark County's Population by Race

Clark County, Missouri has an estimated population of 6,675, a less than 1% change from the 6,634 recorded in the 2020 Census. The population is 94.9% White, 2.1% Multiracial, 1.9% Black, 1.0% Hispanic, 0.1% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Clark County, with one dot drawn for each person counted by the Census, color-coded by race.

Clark has become more 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 Clark County, that probability was 8.7% in 2020 and 9.9% in the most recent ACS estimates.

Clark County is ranked the 102nd most populous county in Missouri, out of 115 counties. Clark County was ranked the 102nd most populous county in the 2020 Census.

Clark County's White Population

6,334 residents of Clark County, or 94.9% of the population, identify as White. The share of White residents in Clark County is significantly higher than in Missouri overall, where 76.3% of the population is White. Clark County ranks 5th statewide in terms of White residents as a share of the population, out of 115 counties.

Since the 2020 Census, Clark County's White population has remained roughly the same. White residents' share of Clark County's population has decreased from 95.5% to 94.9%.

Clark County is more White than neighboring Lewis County (91.5% White), Lee County (90.3% White), Van Buren County (94.4% White), and Knox County (94.8% White). Clark County is less White than neighboring Scotland County (96% White).

Clark County's Black Population

127 residents of Clark County, or 1.9% of the population, identify as Black. The share of Black residents in Clark County is lower than in Missouri overall, where 10.9% of the population is Black. Clark County ranks 93rd statewide in terms of Black residents as a share of the population, out of 115 counties.

Since the 2020 Census, Clark County's Black population has grown by an estimated 504.8%. Black residents' share of Clark County's population has increased from 0.3% to 1.9%.

Clark County is more Black than neighboring Van Buren County (0.4% Black), Scotland County (0.1% Black), and Knox County (0.6% Black). Clark County is less Black than neighboring Lewis County (3.9% Black), and Lee County (2.4% Black).

Clark County's Asian Population

6 residents of Clark County, or 0.1% of the population, identify as Asian. The share of Asian residents in Clark County is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Clark County ranks 96th statewide in terms of Asian residents as a share of the population, out of 115 counties.

Since the 2020 Census, Clark County's Asian population has declined by an estimated 50.0%. Asian residents' share of Clark County's population has remained roughly unchanged at 0.1%.

Clark County is more Asian than neighboring Van Buren County (0% Asian), and Scotland County (0% Asian). Clark County is less Asian than neighboring Lewis County (0.5% Asian), Lee County (0.6% Asian), and Knox County (0.2% Asian).

Clark County's Hispanic Population

65 residents of Clark County, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Clark County is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Clark County ranks 113th statewide in terms of Hispanic residents as a share of the population, out of 115 counties.

Since the 2020 Census, Clark County's Hispanic population has grown by an estimated 30.0%. Hispanic residents' share of Clark County's population has remained roughly unchanged at 1.0%.

Clark County is more Hispanic than neighboring Scotland County (0.2% Hispanic), and Knox County (0.3% Hispanic). Clark County is less Hispanic than neighboring Lewis County (1.1% Hispanic), Lee County (3.5% Hispanic), and Van Buren County (1.8% Hispanic).

Clark County's Native American/Other Population

0 residents of Clark County, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Clark County is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Clark County ranks 108th statewide in terms of Native American/Other residents as a share of the population, out of 115 counties.

Since the 2020 Census, Clark County's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Clark County's population has remained roughly unchanged at 0.0%.

Clark County is less Native American/Other than neighboring Lewis County (0.1% Native American/Other), Lee County (0.3% Native American/Other), Van Buren County (1% Native American/Other), Scotland County (0.6% Native American/Other), and Knox County (2.3% Native American/Other).

Clark County's Multiracial Population

143 residents of Clark County, or 2.1% of the population, identify as Multiracial. The share of Multiracial residents in Clark County is slightly lower than in Missouri overall, where 4.8% of the population is Multiracial. Clark County ranks 103rd statewide in terms of Multiracial residents as a share of the population, out of 115 counties.

Since the 2020 Census, Clark County's Multiracial population has declined by an estimated 26.7%. Multiracial residents' share of Clark County's population has decreased from 2.9% to 2.1%.

Clark County is more Multiracial than neighboring Knox County (1.8% Multiracial). Clark County is less Multiracial than neighboring Lewis County (2.9% Multiracial), Lee County (3% Multiracial), Van Buren County (2.4% Multiracial), and Scotland County (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.