Armstrong County
Armstrong County has lower-than-average household income, with a median household income of $65,008. Population has declined 11% since 2000. 19% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $157,300. With a median age of 47.2, the population is older than the US median of 38.9.
Population & growth
PEP 2025 EST:63,698 residents (Census Bureau Vintage 2025, released March 2026)
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Race & ethnicity
Detailed origins & ancestry
+ 33 more ancestry groups with data
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How many people live in Armstrong County, Pennsylvania?
Armstrong County, Pennsylvania has about 64,622 residents according to the 2024 American Community Survey.
What is the median household income in Armstrong County, Pennsylvania?
The typical household in Armstrong County, Pennsylvania earns about $65,008 a year. Half of households make more than that, and half make less.
Is Armstrong County, Pennsylvania expensive?
In Armstrong County, Pennsylvania, the median home is worth about $157,300, and the typical rent is about $785 a month.
How educated are people in Armstrong County, Pennsylvania?
About 19.0% of adults age 25 and over in Armstrong County, Pennsylvania hold a bachelor's degree or higher.
What is the poverty rate in Armstrong County, Pennsylvania?
About 11.8% of people in Armstrong County, Pennsylvania live below the federal poverty line.
Has Armstrong County, Pennsylvania grown since 1990?
Yes, Armstrong County, Pennsylvania has shrunk since 1990. The population has lost about 8,856 residents, a change of about -12 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024