Henry County Demographics

A map of Henry County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	20,389	19,800	91.3%	90.2%
Multiracial	1,005	1,143	4.5%	5.2%
Hispanic	675	573	3.0%	2.6%
Black	169	177	0.8%	0.8%
Native American/Other	54	162	0.2%	0.7%
Asian	36	91	0.2%	0.4%

Henry County, Missouri has an estimated population of 22,328, a slight increase from the 21,946 recorded in the 2020 Census. The population is 91.3% White, 4.5% Multiracial, 3.0% Hispanic, 0.8% Black, 0.2% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Henry County, with one dot drawn for each person counted by the Census, color-coded by race.

Henry 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 Henry County, that probability was 18.3% in 2020 and 16.3% in the most recent ACS estimates.

Henry County is ranked the 51st most populous county in Missouri, out of 115 counties. Henry County was ranked the 51st most populous county in the 2020 Census.

Henry County's White Population

20,389 residents of Henry County, or 91.3% of the population, identify as White. The share of White residents in Henry County is considerably higher than in Missouri overall, where 76.3% of the population is White. Henry County ranks 64th statewide in terms of White residents as a share of the population, out of 115 counties.

Since the 2020 Census, Henry County's White population has grown by an estimated 3.0%. White residents' share of Henry County's population has increased from 90.2% to 91.3%.

Henry County is more White than neighboring Johnson County (83.7% White), and Pettis County (82.1% White). Henry County is less White than neighboring St. Clair County (92.8% White), Benton County (91.6% White), and Bates County (91.7% White).

Henry County's Black Population

169 residents of Henry County, or 0.8% of the population, identify as Black. The share of Black residents in Henry County is considerably lower than in Missouri overall, where 10.9% of the population is Black. Henry County ranks 62nd statewide in terms of Black residents as a share of the population, out of 115 counties.

Since the 2020 Census, Henry County's Black population has declined by an estimated 4.5%. Black residents' share of Henry County's population has remained roughly unchanged at 0.8%.

Henry County is less Black than neighboring Johnson County (4.3% Black), Benton County (1% Black), Bates County (2.1% Black), and Pettis County (2.5% Black).

Henry County's Asian Population

36 residents of Henry County, or 0.2% of the population, identify as Asian. The share of Asian residents in Henry County is comparable to the share in Missouri overall, where 2.1% of the population is Asian. Henry County ranks 47th statewide in terms of Asian residents as a share of the population, out of 115 counties.

Since the 2020 Census, Henry County's Asian population has declined by an estimated 60.4%. Asian residents' share of Henry County's population has remained roughly unchanged at 0.2%.

Henry County is less Asian than neighboring Johnson County (1.5% Asian), Bates County (0.4% Asian), and Pettis County (0.7% Asian).

Henry County's Hispanic Population

675 residents of Henry County, or 3.0% of the population, identify as Hispanic. The share of Hispanic residents in Henry County is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Henry County ranks 37th statewide in terms of Hispanic residents as a share of the population, out of 115 counties.

Since the 2020 Census, Henry County's Hispanic population has grown by an estimated 17.8%. Hispanic residents' share of Henry County's population has remained roughly unchanged at 3.0%.

Henry County is more Hispanic than neighboring St. Clair County (2.2% Hispanic), Benton County (2% Hispanic), and Bates County (2.6% Hispanic). Henry County is less Hispanic than neighboring Johnson County (5.2% Hispanic), and Pettis County (9.9% Hispanic).

Henry County's Native American/Other Population

54 residents of Henry County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Henry County is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Henry County ranks 47th statewide in terms of Native American/Other residents as a share of the population, out of 115 counties.

Since the 2020 Census, Henry County's Native American/Other population has declined by an estimated 66.7%. Native American/Other residents' share of Henry County's population has remained roughly unchanged at 0.2%.

Henry County is less Native American/Other than neighboring Johnson County (1.1% Native American/Other), Benton County (1.1% Native American/Other), Bates County (0.3% Native American/Other), and Pettis County (0.6% Native American/Other).

Henry County's Multiracial Population

1,005 residents of Henry County, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Henry County is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Henry County ranks 31st statewide in terms of Multiracial residents as a share of the population, out of 115 counties.

Since the 2020 Census, Henry County's Multiracial population has declined by an estimated 12.1%. Multiracial residents' share of Henry County's population has decreased from 5.2% to 4.5%.

Henry County is more Multiracial than neighboring St. Clair County (3.8% Multiracial), Johnson County (4.3% Multiracial), Benton County (4.1% Multiracial), Bates County (2.9% Multiracial), and Pettis County (4.2% 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.