Clark is a city of 585 people in Pennsylvania. 86% of homes are owner-occupied. The median age is 45.6, about 7 years above the US median. The foreign-born share is 1%. 99% were living in the same home a year earlier. Renters pay $688 a month at the median.
At a glance
Lower income
median household income $60,000, below the US median
US median: $82,259
Older
median age 45.6
US median: 38.9
Average education
32% hold a bachelor's degree
US average: 36%
Less affordable
home values up 31%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Clark
What changed most since 1990
Median household income (2024 dollars)$82,802 → $60,000(−28%)US over the same years: +14%
Homes owned by their occupants92.6% → 86.0%(−6.7 pts)US over the same years: +0.9 pts
Poverty rate1.2% → 7.3%(+6.2 pts)US over the same years: −0.8 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)11.9%(5)
US avg: 26.4%
Gulf War (1990s)9.5%(4)
US avg: 24.3%
Vietnam era50%(21)
US avg: 33.1%
Korean War19%(8)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 42 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Clark, decade by decade
Clark population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
602
$82,802
$133,924
12.3%
0.8
2000
633
$97,346
$175,425
26.6%
2.4
2010
640
$97,643
$229,884
22.7%
4.3
2020
576
$101,003
$188,351
25.6%
8.5
2024
585
$60,000
$229,800
32.0%
6.7
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
