Armstrong County, Pennsylvania
Located in Pennsylvania, Armstrong County has a population of 64,622 residents and a median age of 47.2 years, making it the #857 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.8%. The median home value is $157,300, and the median household income is $65,008, which is 13% below the national median.
Demographics
Armstrong County has a population of 64,622, making it the #857 most populous county in the US. The median age is 47.2 years, which is 21.3% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Armstrong County is $65,008, ranking #1,633 out of 3,222 counties — 13.5% below the national median. The poverty rate is 11.8% and unemployment stands at 4.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Armstrong County is $157,300 (-44.2% vs national). Renters pay a median of $785/mo and the homeownership rate is 78.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Armstrong County, 19.0% of adults age 25+ hold a bachelor's degree or higher, which is 43.7% below the national average, ranking #2,184 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Armstrong County is 75.3 years. 19.6% of adults report poor or fair health and 5.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
21.1% of adults in Armstrong County smoke , 37.9% are obese , and 22.1% report excessive drinking. The drug overdose death rate is 45.9 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Armstrong County is 3.3 per 100,000 and the suicide rate is 21.8 per 100,000. Motor vehicle deaths occur at a rate of 11.0 per 100,000.
Homicide Rate Trend
Families & Children
15.4% of children in Armstrong County live in poverty and the infant mortality rate is 5.4 per 1,000 live births. The teen birth rate is 14.4 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Armstrong County is 69.0%. The mean commute time is 31.3 min, which is 13.4% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Armstrong County voted Republican with a margin of 53.2%. The vote was 23% Dem / 76.2% Rep. Compared to 2020, the margin shifted 0.9 toward Republicans .
Vote Share Over Time
About Armstrong County, Pennsylvania
Armstrong County, Pennsylvania has a total population of 64,622, making it the 857th most populous county in the United States. The median age in Armstrong County is 47.2 years, which is 21.3% above the national median of 38.9 years.
The median household income in Armstrong County is $65,008, which ranks #1,633 of 3,222 counties nationwide. This is 13.5% below the national median of $75,149. The poverty rate is 11.8%, lower than the national rate of 12.6%. The unemployment rate stands at 4.3%.
The median home value in Armstrong County is $157,300, 44.2% below the national median. Renters in Armstrong County pay a median gross rent of $785 per month. The homeownership rate is 78.8%, compared to the national rate of 64.4%.
In Armstrong County, 19.0% of residents aged 25 and older hold a bachelor's degree or higher, 43.7% below the national average of 33.7%. Health insurance coverage stands at 96.0% of the population. The average commute time for workers is 31.3 min.
Armstrong County is a community. The largest racial or ethnic group is White (non-Hispanic) at 94.9% of the population, followed by Two or More Races (2.7%).
All data for Armstrong County, Pennsylvania comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.