Market insights · Pennsylvania
Westmoreland County, PA: growth, migration and housing
Westmoreland County has 349,324 residents, down 1.4% since 2020 (-0.3% in the last year). In 2022–2023, 6,367 households moved in and 6,310 moved out (+57 net), bringing in a net $23.4M of income. Median household income is $74,109, the median home $203,500 and median rent $879 a month.
In Pennsylvania: 42nd of 67 counties for 5-year population growth · 23rd of 67 counties for net in-migration (per resident) · 24th of 67 counties for median household income · 33rd of 67 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Westmoreland County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Allegheny County, PA | 2,304 | $156.7M |
| Fayette County, PA | 535 | $43.9M |
| Washington County, PA | 312 | $18.2M |
| Indiana County, PA | 261 | $13.4M |
| Armstrong County, PA | 244 | $11.4M |
| Butler County, PA | 159 | $13.5M |
| Somerset County, PA | 107 | $5.8M |
| Cambria County, PA | 106 | $5.2M |
Where leavers went
Top counties by households leaving Westmoreland County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Allegheny County, PA | 1,991 | $115.5M |
| Fayette County, PA | 443 | $20.8M |
| Washington County, PA | 290 | $15.2M |
| Armstrong County, PA | 282 | $12.6M |
| Indiana County, PA | 233 | $11.4M |
| Butler County, PA | 168 | $11.5M |
| Beaver County, PA | 73 | $3.9M |
| Cambria County, PA | 68 | $3.1M |
BizyFi in Westmoreland County
7 companies in the BizyFi directory are based here. Search them on the company map (company names with a free account), or browse Pennsylvania companies.
← All Pennsylvania counties · National rankings
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.