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RANKING · 2024 ACS · 59 SHOWN OF 59

Largest Japanese population, Ohio counties

Ohio counties ranked by the number of residents who are Japanese, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 59 counties in Ohio that qualify, ranked against each other statewide. The median across all 59 is 29. Biggest climber in the top 100 since 2020: Richland County, OH, up 27 places to #18.

Japanese Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Japanese population by state
RANKPLACESTATEPOPJAPANESE POPULATIONVS 2020
01Franklin County, OHOH1,361,5363,960+16%
02▲1Warren County, OHOH257,181941+61%
03▲1Hamilton County, OHOH838,418795+53%
04▼2Cuyahoga County, OHOH1,232,925793+8%
05▲3Miami County, OHOH112,634773+153%
06▲5Delaware County, OHOH242,032426+115%
07▲3Summit County, OHOH538,376309+30%
08▼2Montgomery County, OHOH539,598283−29%
09▲10Union County, OHOH73,446274+138%
10▲6Clermont County, OHOH216,977214+42%
11▲2Butler County, OHOH400,128211+17%
12▼3Crawford County, OHOH41,896210−15%
13▲1Lorain County, OHOH323,219136−16%
14▼9Greene County, OHOH174,322130−69%
15▼3Lucas County, OHOH423,347115−36%
16▲8Athens County, OHOH63,197104+35%
17▲26Shelby County, OHOH48,06595+239%
18▲27Richland County, OHOH124,89393+304%
19▼1Madison County, OHOH46,98588−30%
20▲11Portage County, OHOH163,40488+76%
21▲2Fayette County, OHOH28,55287+6%
22▲6Medina County, OHOH185,02578+42%
23▼2Stark County, OHOH373,77162−44%
24Licking County, OHOH185,56458–
25▼8Lake County, OHOH232,21753−62%
26▲10Clark County, OHOH135,34052+49%
27▼5Washington County, OHOH58,38950−51%
28▲11Scioto County, OHOH71,36543+30%
29▲24Allen County, OHOH100,88130+233%
30▼1Fairfield County, OHOH169,75229−46%
31▼16Clinton County, OHOH42,30128−82%
32▲19Ashland County, OHOH52,52323+109%
33▼13Wood County, OHOH134,17621−81%
34Muskingum County, OHOH87,01419–
35▲2Wyandot County, OHOH21,56719−46%
36▲11Gallia County, OHOH29,07215+7%
37▼3Geauga County, OHOH95,67615−62%
38▼13Mahoning County, OHOH224,70615−80%
39Perry County, OHOH35,91815–
40▼2Hardin County, OHOH30,07214−58%
41▲11Seneca County, OHOH54,52213+18%
42▼12Marion County, OHOH65,11512−76%
43Darke County, OHOH51,52011–
44▲11Jefferson County, OHOH63,59711+38%
45Champaign County, OHOH38,82010–
46Mercer County, OHOH42,7379–
47▲1Williams County, OHOH36,5499−36%
48Carroll County, OHOH26,4759–
49Belmont County, OHOH64,4348–
50Preble County, OHOH40,6648–
51▼5Ross County, OHOH76,4298−65%
52Tuscarawas County, OHOH92,3738–
53▼11Knox County, OHOH64,0026−79%
54Putnam County, OHOH34,3806–
55▼20Auglaize County, OHOH45,9094−89%
56▲2Erie County, OHOH73,2964−20%
57Pike County, OHOH27,0614–
58▼32Logan County, OHOH46,3023−96%
59Pickaway County, OHOH62,9781–
SHOWING 1–59 OF 59

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES