Guernsey County's estimated 2025 population is 38,147 with a growth rate of 0.08% in the past year according to the most recent United States census data. Guernsey County is the 65th largest county in Ohio. The 2010 population was 40,152 and has seen a growth of -4.99% since that time.
Data after 2023 is projected based on recent change
The racial composition of Guernsey County includes 94.14% White, and smaller percentages for Black or African American, other race, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 36,041 | 94.14% |
| Two or more races | 1,187 | 3.1% |
| Black or African American | 633 | 1.65% |
| Other race | 217 | 0.57% |
| Asian | 189 | 0.49% |
| Native American | 16 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Guernsey County's average per capita income is $41,103. Household income levels show a median of $55,756. The poverty rate stands at 15.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,432 | $102,690 |
| Families | $69,396 | $87,365 |
| Households | $55,756 | $74,239 |
| Non Families | $34,513 | $48,597 |
Average Income
Median Household Income
Poverty Rate
