Guernsey County Demographics

A map of Guernsey County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	35,670	35,717	93.3%	92.9%
Multiracial	1,043	1,449	2.7%	3.8%
Black	721	520	1.9%	1.4%
Hispanic	519	444	1.4%	1.2%
Native American/Other	138	159	0.4%	0.4%
Asian	132	149	0.3%	0.4%

Guernsey County, Ohio has an estimated population of 38,223, a less than 1% change from the 38,438 recorded in the 2020 Census. The population is 93.3% White, 2.7% Multiracial, 1.9% Black, 1.4% Hispanic, 0.4% Native American/Other, and 0.3% Asian. This demographic dot map shows the population of Guernsey County, with one dot drawn for each person counted by the Census, color-coded by race.

Guernsey has become slightly 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 Guernsey County, that probability was 13.5% in 2020 and 12.8% in the most recent ACS estimates.

Guernsey County is ranked the 65th most populous county in Ohio, out of 88 counties. Guernsey County was ranked the 64th most populous county in the 2020 Census.

Guernsey County's White Population

35,670 residents of Guernsey County, or 93.3% of the population, identify as White. The share of White residents in Guernsey County is significantly higher than in Ohio overall, where 75.8% of the population is White. Guernsey County ranks 24th statewide in terms of White residents as a share of the population, out of 88 counties.

Since the 2020 Census, Guernsey County's White population has remained roughly the same. White residents' share of Guernsey County's population has remained roughly unchanged at 93.3%.

Guernsey County is more White than neighboring Noble County (92.1% White), Tuscarawas County (91.9% White), and Muskingum County (90.5% White). Guernsey County is less White than neighboring Harrison County (93.7% White), and Coshocton County (94.3% White).

Guernsey County's Black Population

721 residents of Guernsey County, or 1.9% of the population, identify as Black. The share of Black residents in Guernsey County is considerably lower than in Ohio overall, where 12% of the population is Black. Guernsey County ranks 53rd statewide in terms of Black residents as a share of the population, out of 88 counties.

Since the 2020 Census, Guernsey County's Black population has grown by an estimated 38.7%. Black residents' share of Guernsey County's population has increased from 1.4% to 1.9%.

Guernsey County is more Black than neighboring Tuscarawas County (0.6% Black), and Coshocton County (0.5% Black). Guernsey County is less Black than neighboring Noble County (4.2% Black), Muskingum County (3.1% Black), and Harrison County (2.7% Black).

Guernsey County's Asian Population

132 residents of Guernsey County, or 0.3% of the population, identify as Asian. The share of Asian residents in Guernsey County is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Guernsey County ranks 56th statewide in terms of Asian residents as a share of the population, out of 88 counties.

Since the 2020 Census, Guernsey County's Asian population has declined by an estimated 11.4%. Asian residents' share of Guernsey County's population has remained roughly unchanged at 0.3%.

Guernsey County is more Asian than neighboring Harrison County (0.1% Asian). Guernsey County is less Asian than neighboring Noble County (0.4% Asian), Tuscarawas County (0.4% Asian), Muskingum County (0.5% Asian), and Coshocton County (0.5% Asian).

Guernsey County's Hispanic Population

519 residents of Guernsey County, or 1.4% of the population, identify as Hispanic. The share of Hispanic residents in Guernsey County is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Guernsey County ranks 70th statewide in terms of Hispanic residents as a share of the population, out of 88 counties.

Since the 2020 Census, Guernsey County's Hispanic population has grown by an estimated 16.9%. Hispanic residents' share of Guernsey County's population has remained roughly unchanged at 1.4%.

Guernsey County is more Hispanic than neighboring Muskingum County (1.3% Hispanic), Harrison County (1.2% Hispanic), and Coshocton County (1.3% Hispanic). Guernsey County is less Hispanic than neighboring Noble County (1.7% Hispanic), and Tuscarawas County (4.7% Hispanic).

Guernsey County's Native American/Other Population

138 residents of Guernsey County, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Guernsey County is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Guernsey County ranks 64th statewide in terms of Native American/Other residents as a share of the population, out of 88 counties.

Since the 2020 Census, Guernsey County's Native American/Other population has declined by an estimated 13.2%. Native American/Other residents' share of Guernsey County's population has remained roughly unchanged at 0.4%.

Guernsey County is more Native American/Other than neighboring Noble County (0.2% Native American/Other), and Harrison County (0.1% Native American/Other). Guernsey County is less Native American/Other than neighboring Tuscarawas County (0.5% Native American/Other).

Guernsey County's Multiracial Population

1,043 residents of Guernsey County, or 2.7% of the population, identify as Multiracial. The share of Multiracial residents in Guernsey County is comparable to the share in Ohio overall, where 4.3% of the population is Multiracial. Guernsey County ranks 41st statewide in terms of Multiracial residents as a share of the population, out of 88 counties.

Since the 2020 Census, Guernsey County's Multiracial population has declined by an estimated 28.0%. Multiracial residents' share of Guernsey County's population has decreased from 3.8% to 2.7%.

Guernsey County is more Multiracial than neighboring Noble County (1.4% Multiracial), Tuscarawas County (2% Multiracial), and Harrison County (2.2% Multiracial). Guernsey County is less Multiracial than neighboring Muskingum County (4.2% Multiracial), and Coshocton 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.