# Counties in Pennsylvania by average household size, 2024

All 67 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `average_household_size`
- Unit: persons per household
- Definition: Average number of persons per private household. EU countries: EU-SILC. United States: American Community Survey five-year estimate of people in households divided by occupied housing units, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25010: average household size of occupied housing units (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25010.dat)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B25010: average household size of occupied housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25010.dat. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/average-household-size/pennsylvania-counties

| Rank | Place | persons per household |
|---:|---|---:|
| 1 | Monroe County | 2.7 |
| 2 | Chester County | 2.6 |
| 3 | Berks County | 2.6 |
| 4 | Bucks County | 2.6 |
| 4 | Delaware County | 2.6 |
| 4 | Juniata County | 2.6 |
| 4 | Lehigh County | 2.6 |
| 8 | Lancaster County | 2.6 |
| 9 | Montgomery County | 2.5 |
| 10 | York County | 2.5 |
| 11 | Perry County | 2.5 |
| 11 | Snyder County | 2.5 |
| 13 | Adams County | 2.5 |
| 13 | Northampton County | 2.5 |
| 15 | Pike County | 2.5 |
| 16 | Lebanon County | 2.5 |
| 17 | Franklin County | 2.5 |
| 17 | Mifflin County | 2.5 |
| 19 | Susquehanna County | 2.4 |
| 20 | Bradford County | 2.4 |
| 20 | Cumberland County | 2.4 |
| 22 | Indiana County | 2.4 |
| 22 | Tioga County | 2.4 |
| 24 | Bedford County | 2.4 |
| 25 | Butler County | 2.4 |
| 25 | Carbon County | 2.4 |
| 25 | Huntingdon County | 2.4 |
| 28 | Clarion County | 2.4 |
| 29 | Jefferson County | 2.4 |
| 29 | Lackawanna County | 2.4 |
| 29 | Luzerne County | 2.4 |
| 29 | Schuylkill County | 2.4 |
| 33 | Clinton County | 2.3 |
| 33 | Somerset County | 2.3 |
| 35 | Columbia County | 2.3 |
| 35 | Dauphin County | 2.3 |
| 37 | Blair County | 2.3 |
| 37 | Centre County | 2.3 |
| 37 | Crawford County | 2.3 |
| 40 | Erie County | 2.3 |
| 40 | Warren County | 2.3 |
| 40 | Washington County | 2.3 |
| 40 | Wyoming County | 2.3 |
| 44 | Lycoming County | 2.3 |
| 44 | Union County | 2.3 |
| 44 | Wayne County | 2.3 |
| 47 | Lawrence County | 2.3 |
| 47 | Northumberland County | 2.3 |
| 49 | Armstrong County | 2.3 |
| 49 | Clearfield County | 2.3 |
| 49 | Fulton County | 2.3 |
| 49 | Potter County | 2.3 |
| 49 | Venango County | 2.3 |
| 54 | Elk County | 2.3 |
| 55 | Beaver County | 2.3 |
| 55 | McKean County | 2.3 |
| 55 | Philadelphia County | 2.3 |
| 58 | Forest County | 2.2 |
| 59 | Cambria County | 2.2 |
| 59 | Westmoreland County | 2.2 |
| 61 | Greene County | 2.2 |
| 61 | Mercer County | 2.2 |
| 63 | Allegheny County | 2.2 |
| 63 | Fayette County | 2.2 |
| 63 | Montour County | 2.2 |
| 66 | Sullivan County | 2.2 |
| 67 | Cameron County | 2 |