Market insights · Pennsylvania
Northampton County, PA: growth, migration and housing
Northampton County has 324,411 residents, up 3.7% since 2020 (+0.4% in the last year). In 2022–2023, 8,527 households moved in and 8,160 moved out (+367 net), while a net $6.7M of income left. Median household income is $89,184, the median home $308,600 and median rent $1,395 a month.
In Pennsylvania: 4th of 67 counties for 5-year population growth · 13th of 67 counties for net in-migration (per resident) · 6th of 67 counties for median household income · 6th of 67 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Northampton County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Lehigh County, PA | 2,664 | $156.4M |
| Monroe County, PA | 496 | $33.9M |
| Warren County, NJ | 416 | $26.5M |
| Bucks County, PA | 224 | $15.5M |
| Philadelphia County, PA | 188 | $12.4M |
| Montgomery County, PA | 171 | $13.8M |
| Carbon County, PA | 160 | $9.9M |
| Kings County, NY | 156 | $12.9M |
Where leavers went
Top counties by households leaving Northampton County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Lehigh County, PA | 2,394 | $159.8M |
| Monroe County, PA | 385 | $22.7M |
| Carbon County, PA | 218 | $12.1M |
| Bucks County, PA | 216 | $17.7M |
| Warren County, NJ | 215 | $9.6M |
| Philadelphia County, PA | 211 | $12.1M |
| Montgomery County, PA | 197 | $19.0M |
| Berks County, PA | 152 | $8.7M |
BizyFi in Northampton 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.