Monroe County Demographics
A map of Monroe County's Population by Race
Monroe County, Missouri has an estimated population of 8,734, a less than 1% change from the 8,666 recorded in the 2020 Census. The population is 91.6% White, 3.5% Black, 1.8% Hispanic, 1.8% Multiracial, 0.8% Native American/Other, and 0.4% Asian. This demographic dot map shows the population of Monroe County, with one dot drawn for each person counted by the Census, color-coded by race.
Monroe has become slightly 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 Monroe County, that probability was 16.6% in 2020 and 15.8% in the most recent ACS estimates.
Monroe County is ranked the 92nd most populous county in Missouri, out of 115 counties. Monroe County was ranked the 91st most populous county in the 2020 Census.
Monroe County's White Population
8,004 residents of Monroe County, or 91.6% of the population, identify as White. The share of White residents in Monroe County is significantly higher than in Missouri overall, where 76.3% of the population is White. Monroe County ranks 52nd statewide in terms of White residents as a share of the population, out of 115 counties.
Since the 2020 Census, Monroe County's White population has grown by an estimated 1.3%. White residents' share of Monroe County's population has remained roughly unchanged at 91.6%.
Monroe County is more White than neighboring Audrain County (87.2% White), Marion County (89% White), and Randolph County (87.5% White). Monroe County is less White than neighboring Shelby County (93.6% White), and Ralls County (92.8% White).
Monroe County's Black Population
309 residents of Monroe County, or 3.5% of the population, identify as Black. The share of Black residents in Monroe County is lower than in Missouri overall, where 10.9% of the population is Black. Monroe County ranks 38th statewide in terms of Black residents as a share of the population, out of 115 counties.
Since the 2020 Census, Monroe County's Black population has grown by an estimated 74.6%. Black residents' share of Monroe County's population has increased from 2.0% to 3.5%.
Monroe County is more Black than neighboring Shelby County (1.1% Black), and Ralls County (1.8% Black). Monroe County is less Black than neighboring Audrain County (4.4% Black), Marion County (4.2% Black), and Randolph County (4.9% Black).
Monroe County's Asian Population
34 residents of Monroe County, or 0.4% of the population, identify as Asian. The share of Asian residents in Monroe County is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Monroe County ranks 60th statewide in terms of Asian residents as a share of the population, out of 115 counties.
Since the 2020 Census, Monroe County's Asian population has grown by an estimated 9.7%. Asian residents' share of Monroe County's population has remained roughly unchanged at 0.4%.
Monroe County is more Asian than neighboring Ralls County (0.2% Asian), and Randolph County (0.2% Asian). Monroe County is less Asian than neighboring Audrain County (0.6% Asian), and Marion County (0.8% Asian).
Monroe County's Hispanic Population
160 residents of Monroe County, or 1.8% of the population, identify as Hispanic. The share of Hispanic residents in Monroe County is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Monroe County ranks 81st statewide in terms of Hispanic residents as a share of the population, out of 115 counties.
Since the 2020 Census, Monroe County's Hispanic population has remained roughly the same. Hispanic residents' share of Monroe County's population has remained roughly unchanged at 1.8%.
Monroe County is more Hispanic than neighboring Ralls County (1.2% Hispanic). Monroe County is less Hispanic than neighboring Shelby County (2.3% Hispanic), Audrain County (3.2% Hispanic), Marion County (2% Hispanic), and Randolph County (2.5% Hispanic).
Monroe County's Native American/Other Population
66 residents of Monroe County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Monroe County is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Monroe County ranks 72nd statewide in terms of Native American/Other residents as a share of the population, out of 115 counties.
Since the 2020 Census, Monroe County's Native American/Other population has grown by an estimated 32.0%. Native American/Other residents' share of Monroe County's population has remained roughly unchanged at 0.8%.
Monroe County is more Native American/Other than neighboring Shelby County (0.1% Native American/Other), Audrain County (0.5% Native American/Other), Ralls County (0.3% Native American/Other), Marion County (0.5% Native American/Other), and Randolph County (0.2% Native American/Other).
Monroe County's Multiracial Population
161 residents of Monroe County, or 1.8% of the population, identify as Multiracial. The share of Multiracial residents in Monroe County is slightly lower than in Missouri overall, where 4.8% of the population is Multiracial. Monroe County ranks 78th statewide in terms of Multiracial residents as a share of the population, out of 115 counties.
Since the 2020 Census, Monroe County's Multiracial population has declined by an estimated 53.6%. Multiracial residents' share of Monroe County's population has decreased from 4.0% to 1.8%.
Monroe County is less Multiracial than neighboring Shelby County (2.5% Multiracial), Audrain County (4.1% Multiracial), Ralls County (3.7% Multiracial), Marion County (3.5% Multiracial), and Randolph County (4.7% 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.