# Counties in New Jersey by average household size, 2024

All 21 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/new-jersey-counties

| Rank | Place | persons per household |
|---:|---|---:|
| 1 | Passaic County | 2.9 |
| 2 | Union County | 2.8 |
| 3 | Middlesex County | 2.8 |
| 4 | Bergen County | 2.7 |
| 4 | Cumberland County | 2.7 |
| 6 | Gloucester County | 2.7 |
| 7 | Ocean County | 2.7 |
| 8 | Somerset County | 2.6 |
| 9 | Essex County | 2.6 |
| 10 | Morris County | 2.6 |
| 11 | Burlington County | 2.6 |
| 12 | Camden County | 2.6 |
| 12 | Salem County | 2.6 |
| 14 | Mercer County | 2.6 |
| 15 | Monmouth County | 2.5 |
| 16 | Hunterdon County | 2.5 |
| 17 | Sussex County | 2.5 |
| 18 | Atlantic County | 2.5 |
| 19 | Warren County | 2.4 |
| 20 | Hudson County | 2.4 |
| 21 | Cape May County | 2.1 |