RANKING · 2020 CENSUS · 43 SHOWN OF 43

Largest Dominican population, Ohio counties · 2020

Ohio counties ranked by the number of residents who are Dominican origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 43 counties in Ohio that qualify, ranked against each other statewide. The median across all 43 is 53.

Dominican Americans: full group profile →

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RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPDOMINICAN POPULATIONVS 2010

01Franklin County, OHOH1,361,5363,686+138%

02Cuyahoga County, OHOH1,232,9252,282+53%

03Butler County, OHOH400,1281,033+256%

04Lucas County, OHOH423,347565+643%

05Hamilton County, OHOH838,418529+104%

06Fairfield County, OHOH169,752245+39%

07Hancock County, OHOH75,034229–

08Mahoning County, OHOH224,706224+115%

09Lorain County, OHOH323,219210−9%

10Summit County, OHOH538,376198+267%

11Licking County, OHOH185,564153+750%

12Montgomery County, OHOH539,598152+167%

13Miami County, OHOH112,634111–

14Stark County, OHOH373,771105+28%

15Clermont County, OHOH216,97775+134%

16Ottawa County, OHOH39,48173–

17Trumbull County, OHOH198,97270+79%

18Pickaway County, OHOH62,97865–

19Delaware County, OHOH242,03263+50%

20Defiance County, OHOH38,29260−3%

21Clark County, OHOH135,34053+141%

22Lake County, OHOH232,21753+29%

23Richland County, OHOH124,89350+178%

24Van Wert County, OHOH29,01342–

25Warren County, OHOH257,18135+250%

26Greene County, OHOH174,32234−63%

27Portage County, OHOH163,40429+164%

28Washington County, OHOH58,38926–

29Ashtabula County, OHOH96,71320+122%

30Ross County, OHOH76,42918−36%

31Marion County, OHOH65,11517−19%

32Preble County, OHOH40,66416–

33Wood County, OHOH134,17615–

34Scioto County, OHOH71,36515+67%

35Athens County, OHOH63,19714–

36Jefferson County, OHOH63,59714–

37Madison County, OHOH46,98511–

38Jackson County, OHOH32,81710–

39Williams County, OHOH36,54910–

40Fulton County, OHOH41,8535–

41Erie County, OHOH73,2964–

42Henry County, OHOH27,5983–

43Carroll County, OHOH26,4751–

SHOWING 1–43 OF 43

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