Fairfield County's estimated 2026 population is 171,798 with a growth rate of 1.21% in the past year according to the most recent United States census data. Fairfield County is the 19th largest county in Ohio. The 2010 population was 146,408 and has seen a growth of 17.34% since that time.
Data after 2023 is projected based on recent change
Overall: 39.5 years
Female: 40.6 years
Male: 38.2 years
There are 124,477 adults, (27,165 of whom are seniors) in Fairfield County.
Female: 81,673 (50%)
Male: 81,780 (50%)
The racial composition of Fairfield County includes 81.51% White, 9.22% Black or African American, 3.04% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 133,228 | 81.51% |
| Black or African American | 15,064 | 9.22% |
| Two or more races | 7,752 | 4.74% |
| Asian | 4,961 | 3.04% |
| Other race | 2,054 | 1.26% |
| Native American | 255 | 0.16% |
| Native Hawaiian or Pacific Islander | 139 | 0.09% |
Fairfield County's average per capita income is $57,314. Household income levels show a median of $90,966. The poverty rate stands at 8.01%.
Name | Median | Mean |
|---|---|---|
| Married Families | $120,233 | $139,856 |
| Families | $107,638 | $126,239 |
| Households | $90,966 | $110,296 |
| Non Families | $46,697 | $59,628 |
Average Income
Median Household Income
Poverty Rate