The graph below ranks each Ohio County by total residents according to the 2012 census estimates.

Ohio total population by county

CountyTotal Population
CuyahogaCuyahoga County total population - 12660491,266,049
FranklinFranklin County total population - 11960701,196,070
HamiltonHamilton County total population - 802516802,516
SummitSummit County total population - 541106541,106
MontgomeryMontgomery County total population - 536270536,270
LucasLucas County total population - 437201437,201
StarkStark County total population - 375105375,105
ButlerButler County total population - 370959370,959
LorainLorain County total population - 301597301,597
MahoningMahoning County total population - 235463235,463
LakeLake County total population - 229528229,528
WarrenWarren County total population - 217310217,310
TrumbullTrumbull County total population - 207403207,403
ClermontClermont County total population - 199109199,109
DelawareDelaware County total population - 181188181,188
MedinaMedina County total population - 173725173,725
LickingLicking County total population - 167715167,715
GreeneGreene County total population - 163852163,852
PortagePortage County total population - 163851163,851
FairfieldFairfield County total population - 147509147,509
ClarkClark County total population - 136435136,435
WoodWood County total population - 128708128,708
RichlandRichland County total population - 122585122,585
WayneWayne County total population - 114910114,910
ColumbianaColumbiana County total population - 106458106,458
AllenAllen County total population - 105329105,329
MiamiMiami County total population - 103063103,063
AshtabulaAshtabula County total population - 100298100,298
GeaugaGeauga County total population - 9384093,840
TuscarawasTuscarawas County total population - 9239192,391
MuskingumMuskingum County total population - 8593485,934
SciotoScioto County total population - 7859278,592
RossRoss County total population - 7747577,475
ErieErie County total population - 7639076,390
HancockHancock County total population - 7567075,670
BelmontBelmont County total population - 6962669,626
JeffersonJefferson County total population - 6836068,360
MarionMarion County total population - 6621666,216
AthensAthens County total population - 6448964,489
LawrenceLawrence County total population - 6211462,114
WashingtonWashington County total population - 6146661,466
KnoxKnox County total population - 6079360,793
SanduskySandusky County total population - 6046160,461
HuronHuron County total population - 5929459,294
PickawayPickaway County total population - 5634756,347
SenecaSeneca County total population - 5603356,033
AshlandAshland County total population - 5319953,199
UnionUnion County total population - 5278652,786
DarkeDarke County total population - 5250152,501
ShelbyShelby County total population - 4919749,197
AuglaizeAuglaize County total population - 4586945,869
LoganLogan County total population - 4544245,442
BrownBrown County total population - 4442944,429
HolmesHolmes County total population - 4309443,094
HighlandHighland County total population - 4304743,047
MadisonMadison County total population - 4298242,982
CrawfordCrawford County total population - 4287442,874
FultonFulton County total population - 4257242,572
ClintonClinton County total population - 4188741,887
PreblePreble County total population - 4187341,873
OttawaOttawa County total population - 4135541,355
MercerMercer County total population - 4086740,867
GuernseyGuernsey County total population - 3983539,835
ChampaignChampaign County total population - 3960239,602
DefianceDefiance County total population - 3881238,812
WilliamsWilliams County total population - 3754237,542
CoshoctonCoshocton County total population - 3684036,840
PerryPerry County total population - 3600036,000
MorrowMorrow County total population - 3498834,988
PutnamPutnam County total population - 3420134,201
JacksonJackson County total population - 3290232,902
HardinHardin County total population - 3165431,654
GalliaGallia County total population - 3081130,811
HockingHocking County total population - 2935229,352
FayetteFayette County total population - 2884928,849
Van WertVan Wert County total population - 2873928,739
CarrollCarroll County total population - 2857428,574
PikePike County total population - 2851528,515
AdamsAdams County total population - 2836628,366
HenryHenry County total population - 2808528,085
MeigsMeigs County total population - 2361623,616
WyandotWyandot County total population - 2259122,591
PauldingPaulding County total population - 1930819,308
HarrisonHarrison County total population - 1570515,705
MorganMorgan County total population - 1492614,926
NobleNoble County total population - 1460114,601
MonroeMonroe County total population - 1458914,589
VintonVinton County total population - 1325113,251

Find a place in Ohio

Ohio population comparison tables
Total: Total
White:
Total Percentage
Black:
Total Percentage
Asian:
Total Percentage
American Indian:
Total Percentage
Hawaiian & Pacific Islander:
Total Percentage
Mixed Race:
Total Percentage




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