Data / Rankings / Population density / Counties in Ohio

Counties in Ohio by population density

Cuyahoga County had the highest population density of 88 counties in 2023, at 1,042.7 inhabitants per km². Monroe County had the lowest, at 11.2 inhabitants per km². The median was 46 inhabitants per km² and the figure for Ohio was 111.6 inhabitants per km². Source: the U.S. Census Bureau.

Highest1,042.7Cuyahoga County
Lowest11.2Monroe County
Median4688 counties
Ohio111.6History

Top 40 counties, 2023

CSVChart (SVG)

Cuyahoga CountyCuyahoga County: 1,042.7 inhabitants per km²1,042.7Franklin CountyFranklin County: 969.6 inhabitants per km²969.6Hamilton CountyHamilton County: 792 inhabitants per km²792Summit CountySummit County: 501.4 inhabitants per km²501.4Lucas CountyLucas County: 483.4 inhabitants per km²483.4Montgomery CountyMontgomery County: 447.7 inhabitants per km²447.7Lake CountyLake County: 389.9 inhabitants per km²389.9Butler CountyButler County: 326.6 inhabitants per km²326.6Lorain CountyLorain County: 250.9 inhabitants per km²250.9Stark CountyStark County: 250.1 inhabitants per km²250.1Warren CountyWarren County: 243.3 inhabitants per km²243.3Mahoning CountyMahoning County: 211.6 inhabitants per km²211.6Delaware CountyDelaware County: 202.2 inhabitants per km²202.2Clermont CountyClermont County: 181.1 inhabitants per km²181.1Medina CountyMedina County: 168.5 inhabitants per km²168.5Greene CountyGreene County: 158.8 inhabitants per km²158.8Clark CountyClark County: 132 inhabitants per km²132Portage CountyPortage County: 128.9 inhabitants per km²128.9Fairfield CountyFairfield County: 126.7 inhabitants per km²126.7Trumbull CountyTrumbull County: 125.1 inhabitants per km²125.1Erie CountyErie County: 113.4 inhabitants per km²113.4Miami CountyMiami County: 105.3 inhabitants per km²105.3Licking CountyLicking County: 103.6 inhabitants per km²103.6Richland CountyRichland County: 97.3 inhabitants per km²97.3Allen CountyAllen County: 96.7 inhabitants per km²96.7Geauga CountyGeauga County: 91.9 inhabitants per km²91.9Wood CountyWood County: 82.9 inhabitants per km²82.9Wayne CountyWayne County: 81.1 inhabitants per km²81.1Columbiana CountyColumbiana County: 72.6 inhabitants per km²72.6Tuscarawas CountyTuscarawas County: 62.6 inhabitants per km²62.6Union CountyUnion County: 62.5 inhabitants per km²62.5Marion CountyMarion County: 61.9 inhabitants per km²61.9Jefferson CountyJefferson County: 60.6 inhabitants per km²60.6Ottawa CountyOttawa County: 60.4 inhabitants per km²60.4Sandusky CountySandusky County: 55.5 inhabitants per km²55.5Hancock CountyHancock County: 54.3 inhabitants per km²54.3Ashtabula CountyAshtabula County: 53.2 inhabitants per km²53.2Muskingum CountyMuskingum County: 50.1 inhabitants per km²50.1Athens CountyAthens County: 48.1 inhabitants per km²48.1Lawrence CountyLawrence County: 47.9 inhabitants per km²47.9
inhabitants per km². Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2023
inhabitants per km²		Change on 2022
1Cuyahoga County1,042.7-0.2%
2Franklin County969.6+0.8%
3Hamilton County792+0.6%
4Summit County501.4-0%
5Lucas County483.4-0.3%
6Montgomery County447.7+0.2%
7Lake County389.9-0%
8Butler County326.6+1.2%
9Lorain County250.9+0.8%
10Stark County250.1-0%
11Warren County243.3+1.3%
12Mahoning County211.6-0.1%
13Delaware County202.2+2.3%
14Clermont County181.1+0.7%
15Medina County168.5+0.3%
16Greene County158.8+0.5%
17Clark County132+0.5%
18Portage County128.9+0.6%
19Fairfield County126.7+1.5%
20Trumbull County125.1-0.2%
21Erie County113.4-0.7%
22Miami County105.3+0.6%
23Licking County103.6+0.8%
24Richland County97.3-0.2%
25Allen County96.7-0.2%
26Geauga County91.9-0.2%
27Wood County82.9+0.7%
28Wayne County81.10%
29Columbiana County72.6-0.4%
30Tuscarawas County62.60%
31Union County62.5+4.3%
32Marion County61.9+0.4%
33Jefferson County60.6-0.1%
34Ottawa County60.4-0.3%
35Sandusky County55.5+0.3%
36Hancock County54.3-0%
37Ashtabula County53.2-0.1%
38Muskingum County50.1+0.1%
39Athens County48.1+3%
40Lawrence County47.9-0.6%
41Ashland County47.6+0.4%
42Belmont County47.2-0.6%
43Pickaway County47.1+2%
44Knox County46.4+0.1%
45Huron County45.6-0%
46Scioto County45.6-0.2%
47Shelby County45.3+0.2%
48Auglaize County44.2+0.2%
49Ross County42.7-0.1%
50Holmes County40.6+0.1%
51Fulton County40-0.2%
52Crawford County39.90%
53Clinton County39.7+0.3%
54Logan County38.8-0%
55Seneca County38.3+0.1%
56Preble County36.9+0.1%
57Madison County36.9+2.3%
58Defiance County35.9+0.4%
59Washington County35.8-0.4%
60Mercer County35.40%
61Champaign County34.9+0.2%
62Brown County34.5+0.3%
63Morrow County33.9+0.9%
64Perry County33.7+0.3%
65Williams County33.6-0%
66Darke County33.2-0.1%
67Highland County30.4+0.4%
68Jackson County30+0.1%
69Guernsey County28.2+0.2%
70Putnam County27.4-0.1%
71Fayette County27.3-0.1%
72Van Wert County27-0.3%
73Carroll County26.2+0.4%
74Henry County25.6+0.2%
75Hocking County25.3-0.9%
76Coshocton County25.2+0.8%
77Hardin County25+0.1%
78Gallia County24-0.1%
79Pike County23.60%
80Wyandot County20.4-0.4%
81Meigs County19.6-0.8%
82Adams County18.2+0.4%
83Paulding County17.3-0.3%
84Noble County13.9-0.1%
85Harrison County13.7-0.9%
86Morgan County12.6-0%
87Vinton County11.7-0.7%
88Monroe County11.2-0.3%

Other periods

About this ranking

Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.

United States: Census Bureau population estimates for 1 July divided by land area (water excluded) from the latest Census Gazetteer files. US tables often give people per square mile; multiply persons per km² by 2.59 to compare.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.

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Questions

Which county has the highest population density?

Cuyahoga County, with 1,042.7 inhabitants per km² in 2023, according to the U.S. Census Bureau.

Which county has the lowest population density?

Monroe County, with 11.2 inhabitants per km² in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². Retrieved 2026-10-09.

Population density: other rankings

Counties in Ohio: more rankings