Market insights · Pennsylvania
Armstrong County, PA: growth, migration and housing
Armstrong County has 63,698 residents, down 2.8% since 2020 (-0.1% in the last year). In 2022–2023, 1,174 households moved in and 1,191 moved out (-17 net), while a net $2.6M of income left. Median household income is $65,008, the median home $157,300 and median rent $785 a month.
In Pennsylvania: 56th of 67 counties for 5-year population growth · 30th of 67 counties for net in-migration (per resident) · 38th of 67 counties for median household income · 48th of 67 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Armstrong County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Westmoreland County, PA | 282 | $12.6M |
| Allegheny County, PA | 226 | $11.7M |
| Butler County, PA | 154 | $8.0M |
| Indiana County, PA | 104 | $4.4M |
| Clarion County, PA | 76 | $3.3M |
Where leavers went
Top counties by households leaving Armstrong County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Westmoreland County, PA | 244 | $11.4M |
| Allegheny County, PA | 192 | $10.1M |
| Butler County, PA | 158 | $8.6M |
| Indiana County, PA | 119 | $5.7M |
| Clarion County, PA | 83 | $4.1M |
| Jefferson County, PA | 30 | $1.4M |
BizyFi in Armstrong County
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.