Brown County Demographics

A map of Brown County's Population by Race

Brown County, Ohio has an estimated population of 43,845, a less than 1% change from the 43,676 recorded in the 2020 Census. The population is 94.7% White, 3.0% Multiracial, 1.3% Hispanic, 0.6% Black, 0.3% Asian, and 0.1% Native American/Other. This demographic dot map shows the population of Brown County, with one dot drawn for each person counted by the Census, color-coded by race.

Brown has become less racially diverse since the 2020 Census. It is considerably less diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Brown County, that probability was 11.5% in 2020 and 10.3% in the most recent ACS estimates.

Brown County is ranked the 55th most populous county in Ohio, out of 88 counties. Brown County was ranked the 55th most populous county in the 2020 Census.

Brown County's White Population

41,511 residents of Brown County, or 94.7% of the population, identify as White. The share of White residents in Brown County is significantly higher than in Ohio overall, where 75.8% of the population is White. Brown County ranks 15th statewide in terms of White residents as a share of the population, out of 88 counties.

Since the 2020 Census, Brown County's White population has grown by an estimated 1.1%. White residents' share of Brown County's population has increased from 94.0% to 94.7%.

Brown County is more White than neighboring Clermont County (90.6% White), Bracken County (94.5% White), Mason County (86.9% White), and Highland County (94.4% White). Brown County is less White than neighboring Adams County (95.8% White).

Brown County's Black Population

275 residents of Brown County, or 0.6% of the population, identify as Black. The share of Black residents in Brown County is considerably lower than in Ohio overall, where 12% of the population is Black. Brown County ranks 70th statewide in terms of Black residents as a share of the population, out of 88 counties.

Since the 2020 Census, Brown County's Black population has declined by an estimated 8.9%. Black residents' share of Brown County's population has remained roughly unchanged at 0.6%.

Brown County is more Black than neighboring Adams County (0.4% Black). Brown County is less Black than neighboring Clermont County (1.5% Black), Mason County (5.9% Black), and Highland County (1.2% Black).

Brown County's Asian Population

129 residents of Brown County, or 0.3% of the population, identify as Asian. The share of Asian residents in Brown County is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Brown County ranks 78th statewide in terms of Asian residents as a share of the population, out of 88 counties.

Since the 2020 Census, Brown County's Asian population has grown by an estimated 53.6%. Asian residents' share of Brown County's population has remained roughly unchanged at 0.3%.

Brown County is more Asian than neighboring Bracken County (0.1% Asian), and Highland County (0.1% Asian). Brown County is less Asian than neighboring Clermont County (1.1% Asian), Mason County (0.9% Asian), and Adams County (0.5% Asian).

Brown County's Hispanic Population

572 residents of Brown County, or 1.3% of the population, identify as Hispanic. The share of Hispanic residents in Brown County is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Brown County ranks 72nd statewide in terms of Hispanic residents as a share of the population, out of 88 counties.

Since the 2020 Census, Brown County's Hispanic population has grown by an estimated 17.5%. Hispanic residents' share of Brown County's population has remained roughly unchanged at 1.3%.

Brown County is more Hispanic than neighboring Highland County (1.2% Hispanic), and Adams County (0.9% Hispanic). Brown County is less Hispanic than neighboring Clermont County (2.6% Hispanic), Bracken County (1.5% Hispanic), and Mason County (2.4% Hispanic).

Brown County's Native American/Other Population

62 residents of Brown County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Brown County is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Brown County ranks 62nd statewide in terms of Native American/Other residents as a share of the population, out of 88 counties.

Since the 2020 Census, Brown County's Native American/Other population has declined by an estimated 65.7%. Native American/Other residents' share of Brown County's population has remained roughly unchanged at 0.1%.

Brown County is less Native American/Other than neighboring Clermont County (0.6% Native American/Other), Bracken County (1% Native American/Other), Mason County (0.2% Native American/Other), Highland County (0.2% Native American/Other), and Adams County (0.3% Native American/Other).

Brown County's Multiracial Population

1,296 residents of Brown County, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Brown County is comparable to the share in Ohio overall, where 4.3% of the population is Multiracial. Brown County ranks 54th statewide in terms of Multiracial residents as a share of the population, out of 88 counties.

Since the 2020 Census, Brown County's Multiracial population has declined by an estimated 17.4%. Multiracial residents' share of Brown County's population has decreased from 3.6% to 3.0%.

Brown County is more Multiracial than neighboring Bracken County (2.3% Multiracial), Highland County (2.9% Multiracial), and Adams County (2.2% Multiracial). Brown County is less Multiracial than neighboring Clermont County (3.6% Multiracial), and Mason County (3.7% 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.