Clark County's estimated 2026 population is 135,485 with a growth rate of 0.18% in the past year according to the most recent United States census data. Clark County is the 21st largest county in Ohio. The 2010 population was 138,272 and has seen a growth of -2.02% since that time.
Data after 2023 is projected based on recent change
The racial composition of Clark County includes 83.54% White, 8.22% Black or African American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White (83.54%)
Black or African American (8.22%)
Two or more races (5.81%)
Other race (1.65%)
Asian (0.63%)
Native Hawaiian or Pacific Islander (0.11%)
Native American (0.05%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 113,146 | 83.54% |
| Black or African American | 11,136 | 8.22% |
| Two or more races | 7,864 | 5.81% |
| Other race | 2,236 | 1.65% |
| Asian | 855 | 0.63% |
| Native Hawaiian or Pacific Islander | 147 | 0.11% |
| Native American | 61 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Clark County's average per capita income is $44,481. Household income levels show a median of $60,846. The poverty rate stands at 15.57%.
Name | Median | Mean |
|---|---|---|
| Married Families | $99,508 | $112,688 |
| Families | $76,742 | $92,660 |
| Households | $60,846 | $77,705 |
| Non Families | $35,699 | $46,659 |
Average Income
Median Household Income
Poverty Rate