Clark, Pennsylvania Demographics & Population 2026
During the 2020–2024 ACS period, Clark, Pennsylvania had a total population of 585, the 1277th largest borough in Pennsylvania, with a median household income of $60,000, which is 23% lower than the state average. The poverty rate is 7.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Clark Quick Facts
How Clark Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 617 | 585 | -5.2% |
| Median household income | $68,250 | $60,000 | -12.1% |
| Median home value | $210,800 | $229,800 | +9.0% |
How Clark Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
Clark Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Mercer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hermitage | 16,041 | $70,052 | 10.9% | $199,500 |
| Sharon | 12,936 | $45,670 | 20.0% | $78,800 |
| Grove City | 7,830 | $57,169 | 10.8% | $171,600 |
| Greenville | 5,523 | $52,661 | 16.5% | $115,100 |
| Farrell | 4,199 | $42,595 | 23.7% | $87,800 |
| Sharpsville | 4,187 | $51,439 | 15.3% | $121,300 |
| Mercer | 2,006 | $47,054 | 16.3% | $151,200 |
| Reynolds Heights | 1,845 | $51,181 | 18.9% | $111,700 |
| West Middlesex | 980 | $89,667 | 1.3% | $158,100 |
| Wheatland | 819 | $40,536 | 34.4% | $67,700 |
Cities Similar to Clark
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bethel | 587 | N/A | $118,200 | 11.3% | 51.6% |
| Blaine Hill | 587 | N/A | $158,000 | 7.5% | 46.9% |
| Grindstone | 580 | N/A | N/A | 13.8% | 16.6% |
| Cambridge | 576 | N/A | $256,300 | 9.2% | 6.1% |
| Sheppton | 588 | $58,375 | $155,200 | 30.4% | 42.6% |
A note before these figures: with a population of 585, Clark's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Clark is a small community located in Pennsylvania, within Mercer County. The total population is 585. It ranks as the 1277th most populous out of 1,991 Census-designated places in Pennsylvania.
Age Demographics
The median age in Clark is 45.6 years. This is 11% higher than the state median of 40.9 years.
Economy, Income & Housing
The median household income in Clark is $60,000. This is 23% lower than the state median of $77,971. It is also 26% lower than the national median of $80,734. The poverty rate stands at 7.3%. This is 37% lower than the state poverty rate of 11.7%. The unemployment rate is 5.9%. This is 12% higher than the state rate of 5.3%. The median home value is $229,800. Housing costs are 10% lower than the state median of $254,500. The home-value-to-income ratio is 3.8x. 86.0% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 69.3%.
Race & Ethnicity
Clark has a predominantly White (non-Hispanic) population, comprising 97.3% of all residents. Black or African American residents account for 1.4%. The Black or African American population (1.4%) is well below the state average of 10.3%.
Education
32.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 9% lower than the state rate of 35.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.1%.
Data Sources & Methodology
All demographic data for Clark, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,991 Census-designated places in Pennsylvania. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Clark, Pennsylvania?
Clark, Pennsylvania has a population of 585 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Clark, PA?
The median household income in Clark is $60,000, which is 26% lower than the national median of $80,734.
What is the poverty rate in Clark, PA?
The poverty rate in Clark is 7.3%. This means approximately 42 residents live below the federal poverty line.
What is the racial makeup of Clark, Pennsylvania?
Clark's population is 97.3% White, 1.4% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Clark, PA?
The median home value in Clark is $229,800. The home-value-to-income ratio is 3.8x.
How educated is Clark, Pennsylvania?
32.0% of adults (25+) in Clark hold a bachelor's degree or higher, and 12.5% hold a graduate or professional degree.