# Counties in Ohio by average household size, 2024

All 88 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/ohio-counties

| Rank | Place | persons per household |
|---:|---|---:|
| 1 | Holmes County | 3.3 |
| 2 | Delaware County | 2.7 |
| 3 | Union County | 2.7 |
| 4 | Warren County | 2.7 |
| 5 | Fairfield County | 2.7 |
| 6 | Geauga County | 2.6 |
| 7 | Perry County | 2.6 |
| 8 | Adams County | 2.6 |
| 8 | Morrow County | 2.6 |
| 10 | Butler County | 2.6 |
| 10 | Licking County | 2.6 |
| 12 | Putnam County | 2.6 |
| 13 | Noble County | 2.6 |
| 14 | Mercer County | 2.6 |
| 14 | Pickaway County | 2.6 |
| 16 | Madison County | 2.6 |
| 17 | Highland County | 2.5 |
| 17 | Knox County | 2.5 |
| 19 | Brown County | 2.5 |
| 19 | Wayne County | 2.5 |
| 21 | Shelby County | 2.5 |
| 22 | Jackson County | 2.5 |
| 23 | Medina County | 2.5 |
| 24 | Lawrence County | 2.5 |
| 25 | Van Wert County | 2.5 |
| 26 | Clermont County | 2.5 |
| 26 | Coshocton County | 2.5 |
| 26 | Defiance County | 2.5 |
| 26 | Fayette County | 2.5 |
| 26 | Fulton County | 2.5 |
| 26 | Muskingum County | 2.5 |
| 32 | Ashland County | 2.5 |
| 32 | Champaign County | 2.5 |
| 32 | Gallia County | 2.5 |
| 32 | Huron County | 2.5 |
| 32 | Paulding County | 2.5 |
| 32 | Pike County | 2.5 |
| 38 | Clinton County | 2.4 |
| 38 | Hardin County | 2.4 |
| 38 | Miami County | 2.4 |
| 41 | Lorain County | 2.4 |
| 41 | Preble County | 2.4 |
| 43 | Auglaize County | 2.4 |
| 43 | Marion County | 2.4 |
| 45 | Darke County | 2.4 |
| 45 | Scioto County | 2.4 |
| 47 | Ashtabula County | 2.4 |
| 47 | Ross County | 2.4 |
| 49 | Allen County | 2.4 |
| 49 | Greene County | 2.4 |
| 49 | Hocking County | 2.4 |
| 49 | Meigs County | 2.4 |
| 53 | Clark County | 2.4 |
| 53 | Henry County | 2.4 |
| 53 | Portage County | 2.4 |
| 53 | Tuscarawas County | 2.4 |
| 53 | Wyandot County | 2.4 |
| 58 | Franklin County | 2.4 |
| 58 | Harrison County | 2.4 |
| 58 | Morgan County | 2.4 |
| 58 | Richland County | 2.4 |
| 58 | Vinton County | 2.4 |
| 63 | Athens County | 2.4 |
| 63 | Carroll County | 2.4 |
| 63 | Columbiana County | 2.4 |
| 63 | Stark County | 2.4 |
| 67 | Logan County | 2.3 |
| 67 | Sandusky County | 2.3 |
| 67 | Seneca County | 2.3 |
| 70 | Wood County | 2.3 |
| 71 | Monroe County | 2.3 |
| 71 | Washington County | 2.3 |
| 73 | Guernsey County | 2.3 |
| 73 | Hancock County | 2.3 |
| 73 | Williams County | 2.3 |
| 76 | Hamilton County | 2.3 |
| 76 | Jefferson County | 2.3 |
| 76 | Lucas County | 2.3 |
| 76 | Summit County | 2.3 |
| 80 | Crawford County | 2.3 |
| 80 | Trumbull County | 2.3 |
| 82 | Belmont County | 2.3 |
| 82 | Lake County | 2.3 |
| 84 | Mahoning County | 2.3 |
| 85 | Montgomery County | 2.2 |
| 86 | Erie County | 2.2 |
| 87 | Cuyahoga County | 2.2 |
| 88 | Ottawa County | 2.1 |