# Counties in Pennsylvania by housing units authorized by building permits, 2025

All 67 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `building_permit_units`
- Unit: count
- Definition: Annual number of new privately owned housing units authorized by building permits, from the US Census Bureau Building Permits Survey.
- Source: U.S. Census Bureau, Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation (https://www2.census.gov/econ/bps/County/co2025a.txt)
- Retrieved: 2026-10-10
- Citation: U.S. Census Bureau. Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. https://www2.census.gov/econ/bps/County/co2025a.txt. Retrieved 2026-10-10.
- Web page: https://invokely.ai/rankings/building-permit-housing-units/pennsylvania-counties
- CSV: https://invokely.ai/download/rankings/building-permit-housing-units/pennsylvania-counties.csv

| Rank | Place | count |
|---:|---|---:|
| 1 | Philadelphia County | 3,366 |
| 2 | Allegheny County | 3,191 |
| 3 | Montgomery County | 2,231 |
| 4 | York County | 1,589 |
| 5 | Chester County | 1,400 |
| 6 | Lancaster County | 1,296 |
| 7 | Butler County | 1,246 |
| 8 | Northampton County | 1,050 |
| 9 | Franklin County | 1,033 |
| 10 | Bucks County | 780 |
| 11 | Cumberland County | 745 |
| 12 | Berks County | 582 |
| 13 | Lebanon County | 542 |
| 14 | Adams County | 476 |
| 15 | Westmoreland County | 421 |
| 16 | Lehigh County | 394 |
| 17 | Washington County | 359 |
| 18 | Dauphin County | 329 |
| 19 | Centre County | 314 |
| 20 | Luzerne County | 295 |
| 21 | Beaver County | 285 |
| 22 | Lackawanna County | 277 |
| 23 | Monroe County | 257 |
| 24 | Erie County | 243 |
| 25 | Delaware County | 217 |
| 26 | Schuylkill County | 211 |
| 27 | Fayette County | 196 |
| 28 | Carbon County | 195 |
| 29 | Pike County | 167 |
| 30 | Wayne County | 150 |
| 31 | Perry County | 127 |
| 32 | Columbia County | 111 |
| 33 | Crawford County | 99 |
| 34 | Mercer County | 90 |
| 35 | Blair County | 86 |
| 36 | Bedford County | 75 |
| 36 | Clearfield County | 75 |
| 38 | Tioga County | 74 |
| 39 | Lawrence County | 70 |
| 40 | Lycoming County | 69 |
| 40 | Snyder County | 69 |
| 42 | Wyoming County | 67 |
| 43 | Huntingdon County | 64 |
| 44 | Union County | 63 |
| 45 | Bradford County | 62 |
| 46 | Cambria County | 61 |
| 46 | Susquehanna County | 61 |
| 48 | Somerset County | 57 |
| 49 | Mifflin County | 54 |
| 50 | Venango County | 50 |
| 51 | Indiana County | 40 |
| 52 | Clinton County | 38 |
| 53 | Greene County | 36 |
| 54 | Warren County | 35 |
| 55 | McKean County | 33 |
| 56 | Northumberland County | 31 |
| 57 | Juniata County | 30 |
| 58 | Armstrong County | 29 |
| 59 | Clarion County | 23 |
| 59 | Elk County | 23 |
| 61 | Potter County | 21 |
| 62 | Montour County | 18 |
| 63 | Fulton County | 17 |
| 64 | Sullivan County | 12 |
| 65 | Forest County | 2 |
| 66 | Cameron County | 0 |
| 66 | Jefferson County | 0 |