Clark is a borough located in Mercer County, Pennsylvania. Clark has a 2026 population of 551. Clark is currently declining at a rate of -0.72% annually and its population has decreased by -4.17% since the most recent census, which recorded a population of 575 in 2020.
The median household income in Clark is $60,000 with a poverty rate of 7.32%. The median age in Clark is 45.6 years: 51.3 years for males, and 43.7 years for females. For every 100 females there are 83.4 males.
Data after 2023 is projected based on recent change
Overall: 45.6 years
Female: 43.7 years
Male: 51.3 years
There are 438 adults, (161 of whom are seniors) in Clark.
Female: 319 (54.5%)
Male: 266 (45.5%)
The racial composition of Clark includes 97.26% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 569 | 97.26% |
| Black or African American | 8 | 1.37% |
| Two or more races | 8 | 1.37% |
Clark 's average per capita income is $58,906. Household income levels show a median of $60,000. The poverty rate stands at 7.32%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $110,500 | $150,204 |
| Married Families | $107,031 | - |
| Households | $60,000 | $112,934 |
| Non Families | $37,500 | $58,169 |
Average Income
Median Household Income
Poverty Rate