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RANKING · 2020 CENSUS · 88 SHOWN OF 88

Highest Irish population share, Ohio counties · 2020

Ohio counties ranked by the share of all residents who are Irish ancestry (2020 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide. The median across all 88 is 12.1%.

Irish Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Irish population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPIRISH SHAREVS 2010
01Lake County, OHOH232,21717.7%−1.1 pts
02Portage County, OHOH163,40416.7%−0.4 pts
03Jefferson County, OHOH63,59716.7%−0.4 pts
04Medina County, OHOH185,02516.6%−1.7 pts
05Perry County, OHOH35,91816.0%+1.1 pts
06Madison County, OHOH46,98515.3%−1.2 pts
07Columbiana County, OHOH99,37715.3%−2.5 pts
08Delaware County, OHOH242,03215.2%−1.0 pts
09Champaign County, OHOH38,82015.2%+0.3 pts
10Belmont County, OHOH64,43415.0%−2.9 pts
11Fulton County, OHOH41,85314.9%+3.0 pts
12Licking County, OHOH185,56414.8%−1.2 pts
13Mahoning County, OHOH224,70614.7%−1.9 pts
14Knox County, OHOH64,00214.4%0.0 pts
15Meigs County, OHOH21,58714.3%0.0 pts
16Athens County, OHOH63,19714.3%+0.3 pts
17Lorain County, OHOH323,21914.2%−2.5 pts
18Warren County, OHOH257,18114.1%+0.1 pts
19Coshocton County, OHOH37,18814.1%−0.1 pts
20Stark County, OHOH373,77114.1%−1.4 pts
21Clermont County, OHOH216,97714.0%−4.1 pts
22Wood County, OHOH134,17613.8%−0.6 pts
23Erie County, OHOH73,29613.7%−1.5 pts
24Clark County, OHOH135,34013.7%−1.3 pts
25Union County, OHOH73,44613.7%−1.6 pts
26Guernsey County, OHOH38,37913.6%−1.6 pts
27Hocking County, OHOH27,51213.6%−0.5 pts
28Geauga County, OHOH95,67613.6%−3.6 pts
29Greene County, OHOH174,32213.4%+0.4 pts
30Fairfield County, OHOH169,75213.4%−2.8 pts
31Carroll County, OHOH26,47513.4%−1.1 pts
32Ashtabula County, OHOH96,71313.2%−2.5 pts
33Summit County, OHOH538,37613.2%−2.1 pts
34Crawford County, OHOH41,89612.8%−1.5 pts
35Washington County, OHOH58,38912.7%−4.1 pts
36Hamilton County, OHOH838,41812.6%−2.1 pts
37Clinton County, OHOH42,30112.5%−2.8 pts
38Brown County, OHOH44,39712.5%−1.7 pts
39Logan County, OHOH46,30212.5%−1.0 pts
40Muskingum County, OHOH87,01412.4%−3.0 pts
41Ross County, OHOH76,42912.3%−2.9 pts
42Pickaway County, OHOH62,97812.3%−2.7 pts
43Huron County, OHOH58,25012.2%−2.3 pts
44Ottawa County, OHOH39,48112.1%+0.2 pts
45Tuscarawas County, OHOH92,37312.1%−3.9 pts
46Scioto County, OHOH71,36512.1%−3.0 pts
47Gallia County, OHOH29,07212.0%−3.6 pts
48Monroe County, OHOH12,99412.0%−2.5 pts
49Harrison County, OHOH14,07012.0%−3.5 pts
50Seneca County, OHOH54,52212.0%+1.5 pts
51Miami County, OHOH112,63412.0%−1.5 pts
52Allen County, OHOH100,88112.0%−0.6 pts
53Highland County, OHOH43,82311.9%−3.0 pts
54Morgan County, OHOH13,62611.8%−0.9 pts
55Cuyahoga County, OHOH1,232,92511.8%−1.2 pts
56Franklin County, OHOH1,361,53611.8%−2.7 pts
57Butler County, OHOH400,12811.7%−1.9 pts
58Lucas County, OHOH423,34711.6%−1.6 pts
59Wyandot County, OHOH21,56711.5%+0.4 pts
60Ashland County, OHOH52,52311.5%+0.3 pts
61Sandusky County, OHOH58,65511.4%−0.6 pts
62Lawrence County, OHOH55,71011.4%−1.5 pts
63Williams County, OHOH36,54911.4%−0.6 pts
64Marion County, OHOH65,11511.4%−3.8 pts
65Montgomery County, OHOH539,59811.3%−1.5 pts
66Hardin County, OHOH30,07211.3%−3.8 pts
67Vinton County, OHOH12,64511.1%−3.1 pts
68Auglaize County, OHOH45,90910.9%−1.8 pts
69Preble County, OHOH40,66410.8%−3.8 pts
70Pike County, OHOH27,06110.6%−4.2 pts
71Defiance County, OHOH38,29210.6%−1.9 pts
72Fayette County, OHOH28,55210.6%0.0 pts
73Noble County, OHOH14,27610.5%−2.6 pts
74Trumbull County, OHOH198,97210.5%−3.8 pts
75Henry County, OHOH27,59810.5%−0.2 pts
76Morrow County, OHOH36,30510.5%−4.0 pts
77Hancock County, OHOH75,03410.4%−0.7 pts
78Jackson County, OHOH32,81710.4%−1.3 pts
79Wayne County, OHOH116,75810.3%−2.5 pts
80Richland County, OHOH124,89310.1%−3.3 pts
81Shelby County, OHOH48,06510.0%−1.0 pts
82Paulding County, OHOH18,7279.3%−1.2 pts
83Adams County, OHOH27,8658.9%−6.4 pts
84Darke County, OHOH51,5208.9%−1.7 pts
85Mercer County, OHOH42,7378.7%+0.4 pts
86Van Wert County, OHOH29,0138.3%−4.1 pts
87Putnam County, OHOH34,3807.0%−0.8 pts
88Holmes County, OHOH44,9704.3%−2.2 pts
SHOWING 1–88 OF 88

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS