Mercer County Demographics

A map of Mercer County's Population by Race

Mercer County, Ohio had a population of 42,528 in 2020. It was 93.5% White, 0.4% Black, 0.4% Asian, 2.2% Hispanic, 1.7% Native American/Other, and 1.8% Multiracial. This map presents the population of Mercer County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Mercer County is the 58th most populous county of the 88 counties in Ohio.

Mercer County's White Population

39,752 residents of Mercer County identify as White, or 93.5%. This makes the White share of the population of Mercer County larger than the White share of the population of Ohio (75.9% White). Of the 88 counties in Ohio, Mercer County is ranked #20 in terms of White residents as a share of the population.

Mercer County is more White than neighboring Van Wert County (91.5% White), Adams County (92.4% White), and Jay County (92.3% White). Mercer County is less White than neighboring Darke County (94.4% White), and Auglaize County (94% White).

Mercer County's Black Population

191 residents of Mercer County identify as Black, or 0.4%. This makes the Black share of the population of Mercer County slightly less than the Black share of the population of Ohio (12.3% Black). Of the 88 counties in Ohio, Mercer County is ranked #79 in terms of Black residents as a share of the population.

Mercer County is more Black than neighboring Jay County (0.3% Black). Mercer County is less Black than neighboring Van Wert County (0.9% Black), Adams County (0.5% Black), Darke County (0.6% Black), and Auglaize County (0.5% Black).

Mercer County's Asian Population

189 residents of Mercer County identify as Asian, or 0.4%. This makes the Asian share of the population of Mercer County roughly similar to the Asian share of the population of Ohio (2.5% Asian). Of the 88 counties in Ohio, Mercer County is ranked #50 in terms of Asian residents as a share of the population.

Mercer County is more Asian than neighboring Van Wert County (0.3% Asian), Jay County (0.3% Asian), and Darke County (0.3% Asian). Mercer County is less Asian than neighboring Auglaize County (0.5% Asian).

Mercer County's Hispanic Population

928 residents of Mercer County identify as Hispanic, or 2.2%. This makes the Hispanic share of the population of Mercer County roughly similar to the Hispanic share of the population of Ohio (4.4% Hispanic). Of the 88 counties in Ohio, Mercer County is ranked #45 in terms of Hispanic residents as a share of the population.

Mercer County is more Hispanic than neighboring Darke County (1.7% Hispanic), and Auglaize County (1.7% Hispanic). Mercer County is less Hispanic than neighboring Van Wert County (3.8% Hispanic), Adams County (4.6% Hispanic), and Jay County (4.6% Hispanic).

Mercer County's Native American/Other Population

705 residents of Mercer County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.7%. This makes the Native American/Other share of the population of Mercer County roughly similar to the Native American/Other share of the population of Ohio (0.6% Native American/Other). Of the 88 counties in Ohio, Mercer County is ranked #1 in terms of Native American/Other residents as a share of the population.

Mercer County is more Native American/Other than neighboring Van Wert County (0.4% Native American/Other), Adams County (0.4% Native American/Other), Jay County (0.3% Native American/Other), Darke County (0.5% Native American/Other), and Auglaize County (0.4% Native American/Other).

Mercer County's Multiracial Population

763 residents of Mercer County identify as Multiracial, or 1.8%. This makes the Multiracial share of the population of Mercer County roughly similar to the Multiracial share of the population of Ohio (4.3% Multiracial). Of the 88 counties in Ohio, Mercer County is ranked #86 in terms of Multiracial residents as a share of the population.

Mercer County is less Multiracial than neighboring Van Wert County (3.1% Multiracial), Jay County (2.3% Multiracial), Darke County (2.5% Multiracial), and Auglaize County (2.9% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.