Fairfield County Demographics
A map of Fairfield County's Population by Race
Fairfield County, Ohio has an estimated population of 163,453, a slight increase from the 158,921 recorded in the 2020 Census. The population is 80.9% White, 9.2% Black, 3.8% Multiracial, 3.0% Asian, 2.8% Hispanic, and 0.4% Native American/Other. This demographic dot map shows the population of Fairfield County, with one dot drawn for each person counted by the Census, color-coded by race.
Fairfield has become more 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 Fairfield County, that probability was 31.4% in 2020 and 33.4% in the most recent ACS estimates.
Fairfield County is ranked the 19th most populous county in Ohio, out of 88 counties. Fairfield County was ranked the 20th most populous county in the 2020 Census.
Fairfield County's White Population
132,271 residents of Fairfield County, or 80.9% of the population, identify as White. The share of White residents in Fairfield County is higher than in Ohio overall, where 75.8% of the population is White. Fairfield County ranks 72nd statewide in terms of White residents as a share of the population, out of 88 counties.
Since the 2020 Census, Fairfield County's White population has grown by an estimated 1.2%. White residents' share of Fairfield County's population has decreased from 82.2% to 80.9%.
Fairfield County is more White than neighboring Franklin County (58% White). Fairfield County is less White than neighboring Hocking County (94.6% White), Licking County (85.1% White), Perry County (95.7% White), and Pickaway County (90.6% White).
Fairfield County's Black Population
15,006 residents of Fairfield County, or 9.2% of the population, identify as Black. The share of Black residents in Fairfield County is slightly lower than in Ohio overall, where 12% of the population is Black. Fairfield County ranks 14th statewide in terms of Black residents as a share of the population, out of 88 counties.
Since the 2020 Census, Fairfield County's Black population has grown by an estimated 12.8%. Black residents' share of Fairfield County's population has increased from 8.4% to 9.2%.
Fairfield County is more Black than neighboring Hocking County (0.3% Black), Licking County (4.2% Black), Perry County (0.2% Black), and Pickaway County (3% Black). Fairfield County is less Black than neighboring Franklin County (23.1% Black).
Fairfield County's Asian Population
4,915 residents of Fairfield County, or 3.0% of the population, identify as Asian. The share of Asian residents in Fairfield County is comparable to the share in Ohio overall, where 2.5% of the population is Asian. Fairfield County ranks 15th statewide in terms of Asian residents as a share of the population, out of 88 counties.
Since the 2020 Census, Fairfield County's Asian population has grown by an estimated 60.5%. Asian residents' share of Fairfield County's population has increased from 1.9% to 3.0%.
Fairfield County is more Asian than neighboring Hocking County (0.5% Asian), Perry County (0.1% Asian), and Pickaway County (0.1% Asian). Fairfield County is less Asian than neighboring Licking County (3.7% Asian), and Franklin County (5.6% Asian).
Fairfield County's Hispanic Population
4,508 residents of Fairfield County, or 2.8% of the population, identify as Hispanic. The share of Hispanic residents in Fairfield County is comparable to the share in Ohio overall, where 4.8% of the population is Hispanic. Fairfield County ranks 35th statewide in terms of Hispanic residents as a share of the population, out of 88 counties.
Since the 2020 Census, Fairfield County's Hispanic population has grown by an estimated 12.1%. Hispanic residents' share of Fairfield County's population has remained roughly unchanged at 2.8%.
Fairfield County is more Hispanic than neighboring Hocking County (1% Hispanic), Licking County (2.5% Hispanic), Perry County (0.9% Hispanic), and Pickaway County (1.9% Hispanic). Fairfield County is less Hispanic than neighboring Franklin County (7.5% Hispanic).
Fairfield County's Native American/Other Population
611 residents of Fairfield 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 Fairfield County is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Fairfield County ranks 30th statewide in terms of Native American/Other residents as a share of the population, out of 88 counties.
Since the 2020 Census, Fairfield County's Native American/Other population has declined by an estimated 26.7%. Native American/Other residents' share of Fairfield County's population has remained roughly unchanged at 0.4%.
Fairfield County is more Native American/Other than neighboring Perry County (0.1% Native American/Other). Fairfield County is less Native American/Other than neighboring Licking County (0.8% Native American/Other), and Franklin County (0.6% Native American/Other).
Fairfield County's Multiracial Population
6,142 residents of Fairfield County, or 3.8% of the population, identify as Multiracial. The share of Multiracial residents in Fairfield County is comparable to the share in Ohio overall, where 4.3% of the population is Multiracial. Fairfield County ranks 22nd statewide in terms of Multiracial residents as a share of the population, out of 88 counties.
Since the 2020 Census, Fairfield County's Multiracial population has declined by an estimated 12.7%. Multiracial residents' share of Fairfield County's population has decreased from 4.4% to 3.8%.
Fairfield County is more Multiracial than neighboring Hocking County (3.2% Multiracial), Licking County (3.7% Multiracial), and Perry County (3% Multiracial). Fairfield County is less Multiracial than neighboring Pickaway County (3.9% Multiracial), and Franklin County (5.2% 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.