Interpretation of Demographics Data
Demographic Data Report for Ohio by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
Ohio
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,600,150.
- Rank within US : This county is ranked 23 of 52
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,517,834.
- Rank within US : N/A
Athens County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 14.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,152.
- Rank within US : This county is ranked 3054 of 3143
Ottawa County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,015.
- Rank within US : This county is ranked 2810 of 3143
Portage County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 29,466.
- Rank within US : This county is ranked 2692 of 3143
Belmont County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,261.
- Rank within US : This county is ranked 2601 of 3143
Noble County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,712.
- Rank within US : This county is ranked 2544 of 3143
Lake County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 44,800.
- Rank within US : This county is ranked 2459 of 3143
Erie County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 14,492.
- Rank within US : This county is ranked 2426 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,527.
- Rank within US : This county is ranked 2426 of 3143
Washington County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,706.
- Rank within US : This county is ranked 2323 of 3143
Madison County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,860.
- Rank within US : This county is ranked 2294 of 3143
Columbiana County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 20,329.
- Rank within US : This county is ranked 2193 of 3143
Wood County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 26,719.
- Rank within US : This county is ranked 2193 of 3143
Mahoning County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 45,920.
- Rank within US : This county is ranked 2158 of 3143
Monroe County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,689.
- Rank within US : This county is ranked 2158 of 3143
Carroll County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,450.
- Rank within US : This county is ranked 2129 of 3143
Cuyahoga County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 255,095.
- Rank within US : This county is ranked 2095 of 3143
Greene County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 34,890.
- Rank within US : This county is ranked 2055 of 3143
Meigs County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,509.
- Rank within US : This county is ranked 2055 of 3143
Trumbull County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 41,363.
- Rank within US : This county is ranked 2055 of 3143
Summit County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 111,294.
- Rank within US : This county is ranked 2021 of 3143
Vinton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,625.
- Rank within US : This county is ranked 1978 of 3143
Morgan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,851.
- Rank within US : This county is ranked 1936 of 3143
Harrison County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,001.
- Rank within US : This county is ranked 1910 of 3143
Ross County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 16,098.
- Rank within US : This county is ranked 1910 of 3143
Marion County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 13,864.
- Rank within US : This county is ranked 1775 of 3143
Hocking County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,961.
- Rank within US : This county is ranked 1735 of 3143
Medina County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 39,216.
- Rank within US : This county is ranked 1735 of 3143
Seneca County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,728.
- Rank within US : This county is ranked 1735 of 3143
Lorain County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 68,331.
- Rank within US : This county is ranked 1698 of 3143
Stark County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 80,525.
- Rank within US : This county is ranked 1698 of 3143
Lawrence County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,266.
- Rank within US : This county is ranked 1650 of 3143
Pickaway County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,970.
- Rank within US : This county is ranked 1650 of 3143
Sandusky County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,678.
- Rank within US : This county is ranked 1650 of 3143
Crawford County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,070.
- Rank within US : This county is ranked 1613 of 3143
Morrow County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,692.
- Rank within US : This county is ranked 1613 of 3143
Scioto County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 15,735.
- Rank within US : This county is ranked 1613 of 3143
Ashtabula County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 21,230.
- Rank within US : This county is ranked 1576 of 3143
Hancock County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 16,303.
- Rank within US : This county is ranked 1576 of 3143
Richland County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 27,226.
- Rank within US : This county is ranked 1576 of 3143
Williams County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,084.
- Rank within US : This county is ranked 1478 of 3143
Champaign County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,562.
- Rank within US : This county is ranked 1441 of 3143
Clermont County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 46,722.
- Rank within US : This county is ranked 1441 of 3143
Guernsey County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,455.
- Rank within US : This county is ranked 1441 of 3143
Geauga County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 21,185.
- Rank within US : This county is ranked 1395 of 3143
Montgomery County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 118,834.
- Rank within US : This county is ranked 1395 of 3143
Preble County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,043.
- Rank within US : This county is ranked 1395 of 3143
Wyandot County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,844.
- Rank within US : This county is ranked 1311 of 3143
Ashland County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,760.
- Rank within US : This county is ranked 1260 of 3143
Defiance County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,626.
- Rank within US : This county is ranked 1260 of 3143
Clark County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 30,519.
- Rank within US : This county is ranked 1220 of 3143
Clinton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,530.
- Rank within US : This county is ranked 1174 of 3143
Logan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,476.
- Rank within US : This county is ranked 1174 of 3143
Muskingum County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 19,589.
- Rank within US : This county is ranked 1174 of 3143
Brown County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,983.
- Rank within US : This county is ranked 1133 of 3143
Knox County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 14,386.
- Rank within US : This county is ranked 1133 of 3143
Licking County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 41,505.
- Rank within US : This county is ranked 1133 of 3143
Lucas County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 97,509.
- Rank within US : This county is ranked 1133 of 3143
Hardin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,967.
- Rank within US : This county is ranked 1096 of 3143
Miami County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 25,243.
- Rank within US : This county is ranked 1096 of 3143
Hamilton County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 190,879.
- Rank within US : This county is ranked 1057 of 3143
Van Wert County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,631.
- Rank within US : This county is ranked 1057 of 3143
Fulton County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,750.
- Rank within US : This county is ranked 1006 of 3143
Tuscarawas County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 21,454.
- Rank within US : This county is ranked 962 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 310,110.
- Rank within US : This county is ranked 926 of 3143
Henry County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,432.
- Rank within US : This county is ranked 926 of 3143
Butler County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 91,772.
- Rank within US : This county is ranked 889 of 3143
Fayette County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,761.
- Rank within US : This county is ranked 889 of 3143
Perry County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,327.
- Rank within US : This county is ranked 889 of 3143
Allen County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 23,836.
- Rank within US : This county is ranked 847 of 3143
Pike County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,344.
- Rank within US : This county is ranked 847 of 3143
Darke County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,200.
- Rank within US : This county is ranked 809 of 3143
Gallia County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,857.
- Rank within US : This county is ranked 809 of 3143
Huron County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 13,783.
- Rank within US : This county is ranked 809 of 3143
Paulding County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,437.
- Rank within US : This county is ranked 809 of 3143
Coshocton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,748.
- Rank within US : This county is ranked 748 of 3143
Fairfield County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 38,976.
- Rank within US : This county is ranked 748 of 3143
Jackson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,767.
- Rank within US : This county is ranked 748 of 3143
Warren County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 59,471.
- Rank within US : This county is ranked 748 of 3143
Adams County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,569.
- Rank within US : This county is ranked 717 of 3143
Auglaize County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,026.
- Rank within US : This county is ranked 717 of 3143
Highland County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,401.
- Rank within US : This county is ranked 717 of 3143
Wayne County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 24.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 27,936.
- Rank within US : This county is ranked 690 of 3143
Union County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 16,248.
- Rank within US : This county is ranked 657 of 3143
Shelby County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 24.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,724.
- Rank within US : This county is ranked 542 of 3143
Delaware County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 56,264.
- Rank within US : This county is ranked 473 of 3143
Mercer County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,810.
- Rank within US : This county is ranked 340 of 3143
Putnam County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,753.
- Rank within US : This county is ranked 321 of 3143
Holmes County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 30.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 13,443.
- Rank within US : This county is ranked 64 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 03/22/2026 3:17 am.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.


