Clark County's estimated 2026 population is 134,510 with a growth rate of -0.61% in the past year according to the most recent United States census data. Clark County is the 22nd largest county in Ohio. The 2010 population was 138,272 and has seen a growth of -2.72% since that time.
Data after 2023 is projected based on recent change
Overall: 41.2 years
Female: 42.6 years
Male: 39.6 years
There are 104,639 adults, (27,405 of whom are seniors) in Clark County.
Female: 68,848 (50.9%)
Male: 66,310 (49.1%)
The racial composition of Clark County includes 82.39% White, 8.04% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 111,360 | 82.39% |
| Black or African American | 10,868 | 8.04% |
| Two or more races | 8,988 | 6.65% |
| Other race | 2,853 | 2.11% |
| Asian | 814 | 0.6% |
| Native American | 156 | 0.12% |
| Native Hawaiian or Pacific Islander | 119 | 0.09% |
Clark County's average per capita income is $47,046. Household income levels show a median of $63,132. The poverty rate stands at 15.19%.
Name | Median | Mean |
|---|---|---|
| Married Families | $102,369 | $115,304 |
| Families | $79,932 | $96,312 |
| Households | $63,132 | $80,369 |
| Non Families | $37,278 | $49,228 |
Average Income
Median Household Income
Poverty Rate