Armstrong County, Pennsylvania Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Armstrong County, PA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around averageLess healthy than 80% of counties in Pennsylvania
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C
Income Below average
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D
Education Well below averageLess educated than 74% of counties in Pennsylvania
Source: Map AI Methodology
Population: density and quick facts
| Metric | Armstrong County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Population | 64,604 | 13,004,688 | 337,468,954 |
| Population density (per sq mi) | 97.3 | 282.1 | 86.4 |
| Population growth (%/yr) | -0.56% | 0.21% | 0.59% |
| Median age | 48.3 | 41.6 | 37.3 |
| Households | 28,028 | 5,268,760 | 130,235,071 |
Population in Armstrong County declined by 6.2% from 2009 to 2024, reaching 64,604 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Armstrong County is Gen X, aged 45–60, at 23.0% of residents. That is 2.4 points above Pennsylvania as a whole.
- Gen Z 13–28 10,953 17.0% -3.2 pts
- Millennials 29–44 11,550 17.9% -3.1 pts
- Gen X 45–60 14,871 23.0% +2.4 pts
- Boomers 61–79 14,733 22.8% +3.8 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Pennsylvania, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.2% of the people living in Armstrong County and men 49.8%.
- Women 50.2% Pennsylvania 50.8%
- Men 49.8% Pennsylvania 49.2%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Armstrong County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Armstrong County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Armstrong County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Median household income | $66,674 | $78,249 | $80,455 |
| Income growth (%/yr) | 4.78% | 4.43% | 4.80% |
| Unemployment rate | 4.3% | 5.2% | 5.2% |
The median household income in Armstrong County is about 15% lower than in Pennsylvania.
Housing
| Metric | Armstrong County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Median home price | $70,377 | $152,469 | $248,835 |
| Median rent | $784 | $1,208 | $1,407 |
| Homeownership rate | 78.8% | 69.3% | 65.2% |
The median home price in Armstrong County is about 7.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $784 per month for that long.
Commute Time & Mobility
Commuters in Armstrong County spend about 48 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 199 hours, about 8.3 full days, spent commuting.
| Metric | Armstrong County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 23.9 | 22.4 | 22.4 |
| Round-trip commute (min) | 47.8 | 44.7 | 44.8 |
| Yearly time spent (hours) | 199 | 186 | 187 |
| Estimated yearly cost | $6,178 | $5,779 | $5,790 |
| Work from home | 9.4% | 15.6% | 15.0% |
| Highway traffic (vehicles/day) | 4,305 | 6,862 | 8,813 |
| Local road traffic (vehicles/day) | 911 | 1,152 | 1,355 |
Fastest commutes among counties in
Pennsylvania:
Cameron County (11.4 min), Elk County (15.4 min), McKean County (15.9 min).
Slowest:
Pike County (32.5 min), Perry County (32.0 min), Carbon County (30.5 min).
The average commute time in Armstrong County is 24 minutes, longer than the 22 minutes in Pennsylvania.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Armstrong County has a education index of D, which means it is barely educated.
| Metric | Armstrong County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 17.7% | 31.4% | 31.6% |
| Average household size | 2.28 | 2.39 | 2.53 |
Highest education index among counties in
Pennsylvania:
Chester County (0.4), Montgomery County (0.4), Allegheny County (0.4).
Lowest:
Forest County (0.1), Mifflin County (0.2), Juniata County (0.2).
Health
Armstrong County has a health index of B, which means it is quite healthy.
| Metric | Armstrong County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.8 | 78.4 | 78.3 |
| Self-rated poor health | 16.5% | 15.7% | 16.3% |
| Smokers | 21.8% | 20.1% | 19.0% |
Highest health index among counties in
Pennsylvania:
Montgomery County (0.8), Centre County (0.8), Chester County (0.8).
Lowest:
Forest County (0.8), Mifflin County (0.8), Jefferson County (0.8).
Armstrong County, PA Compared With Nearby Counties
Armstrong County, PA is the 4th largest of the 6 counties compared here, 64,604 residents against a local median of 83,041. The measure that sets Armstrong County, PA apart most is median home price: $70,377, 34% below the local median of $105,859.
Commute tells the same story from another angle: 23.9 min against a local median of 20.1 min, 19% above it. The one measure here that carries a verdict is commute, and at 19% above the local median it puts Armstrong County, PA at the weaker end of the local range. The counties themselves spread $95,324 on median home price, so Armstrong County, PA sits at one end of an already wide local range rather than apart from it. Armstrong County, PA has the 6th highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Armstrong County, PA | 64,604 | $66,674 #3/6 | $70,377 #6/6 | 23.9 min #6/6 |
| Clarion County, PA | 37,179 | $62,370 | $105,859 | 20.1 min |
| Indiana County, PA | 83,041 | $60,208 | $91,691 | 18.9 min |
| Butler County, PA | 197,141 | $89,210 | $172,268 | 23.3 min |
| Westmoreland County, PA | 352,391 | $74,121 | $153,899 | 22.7 min |
| Jefferson County, PA | 43,864 | $58,953 | $76,944 | 18.6 min |
Frequently Asked Questions
Common questions about Armstrong County, Pennsylvania.
How many people live in Armstrong County, Pennsylvania?
About 64,604 people live in Armstrong County, Pennsylvania, in 28,028 households of 2.3 people on average. The median age is 48.3, so residents are older than the U.S. median of 37.3 by about 11 years.
How densely populated is Armstrong County, Pennsylvania?
Averaged over its land area, Armstrong County, Pennsylvania has 97 people per square mile, a density typical of rural areas. That is close to the U.S. average of 86.
Is Armstrong County, Pennsylvania an affordable place to live?
The median home costs 1.1 times the median household income ($70,377 against $66,674), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $784 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Armstrong County, Pennsylvania?
17.7% of adults in Armstrong County, Pennsylvania hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.
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