Cambridge is located in Guernsey County, Ohio. Cambridge has a 2025 population of 13,829 . It is also the county seat of Guernsey County . Cambridge is currently growing at a rate of 0.2% annually but its population has decreased by -0.5% since the most recent census, which recorded a population of 13,898 in 2020.
The average household income in Cambridge is $59,614 with a poverty rate of 23.84%. The median age in Cambridge is 40.3 years: 36.7 years for males, and 43.3 years for females. For every 100 females there are 89.3 males.
Data after 2023 is projected based on recent change
The racial composition of Cambridge includes 90.05% White, 4.18% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
White (90.05%)
Two or more races (4.63%)
Black or African American (4.18%)
Asian (0.83%)
Other race (0.28%)
Native American (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,456 | 90.05% |
| Two or more races | 640 | 4.63% |
| Black or African American | 578 | 4.18% |
| Asian | 115 | 0.83% |
| Other race | 39 | 0.28% |
| Native American | 5 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Cambridge's average per capita income is $38,935. Household income levels show a median of $45,867. The poverty rate stands at 23.84%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,423 | - |
| Families | $65,410 | $71,668 |
| Households | $45,867 | $59,614 |
| Non Families | $30,532 | $44,735 |
Average Income
Median Household Income
Poverty Rate