Market insights · Pennsylvania
Mercer County, PA: growth, migration and housing
Mercer County has 107,860 residents, down 2.4% since 2020 (-0.3% in the last year). In 2022–2023, 1,867 households moved in and 2,085 moved out (-218 net), while a net $2.6M of income left. Median household income is $59,976, the median home $164,000 and median rent $843 a month.
In Pennsylvania: 53rd of 67 counties for 5-year population growth · 57th of 67 counties for net in-migration (per resident) · 61st of 67 counties for median household income · 45th of 67 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Mercer County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Trumbull County, OH | 179 | $10.8M |
| Lawrence County, PA | 173 | $10.1M |
| Crawford County, PA | 159 | $6.9M |
| Butler County, PA | 152 | $9.4M |
| Allegheny County, PA | 129 | $8.3M |
| Venango County, PA | 77 | $3.2M |
| Mahoning County, OH | 57 | $1.9M |
| Beaver County, PA | 53 | $5.5M |
Where leavers went
Top counties by households leaving Mercer County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Trumbull County, OH | 237 | $9.7M |
| Lawrence County, PA | 178 | $8.5M |
| Allegheny County, PA | 177 | $9.4M |
| Butler County, PA | 158 | $8.7M |
| Crawford County, PA | 134 | $5.9M |
| Mahoning County, OH | 87 | $3.7M |
| Venango County, PA | 83 | $3.1M |
| Erie County, PA | 57 | $2.5M |
BizyFi in Mercer 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.