Ranking of Ohio Counties By Population with Celtic Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.00K people in Ohio with Celtic ancestry. Among all Ohio counties, Lucas County had the highest population with Celtic ancestry (340), followed by Clermont County (169), and Butler County (144).

The chart and table below shows the top 10 counties with high number of people with Celtic ancestry.

You can see similar information for other states and for other ancestry groups in Ohio.

You may also be interested in:
Ranking of Ohio Counties By Percentage of Population with Celtic Ancestry in 2021

Related Topics: Ohio ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census Bureau.

Ranking of Ohio Counties By Population with Celtic Ancestry in 2021

Lucas County

Clermont County

Butler County

Hamilton County

Madison County

Cuyahoga County

Franklin County

Summit County

Lake County

Montgomery County

Ranking of Ohio Counties By Population with Celtic Ancestry in 2021

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Rank	County	Population
1	Lucas County	340
2	Clermont County	169
3	Butler County	144
4	Hamilton County	121
4	Madison County	121
5	Cuyahoga County	113
5	Franklin County	113
6	Summit County	107
7	Lake County	106
8	Montgomery County	104
9	Sandusky County	48
10	Greene County	39
11	Medina County	38
12	Delaware County	37
13	Mahoning County	33
14	Trumbull County	32
15	Warren County	28
16	Fairfield County	25
16	Putnam County	25
17	Portage County	22
18	Athens County	21
18	Wood County	21
19	Scioto County	18
20	Muskingum County	17
20	Stark County	17
21	Ross County	15
21	Wayne County	15
22	Belmont County	12
23	Hancock County	11
23	Richland County	11
24	Clark County	10
24	Lorain County	10
25	Pickaway County	8
26	Lawrence County	7
26	Morgan County	7
27	Champaign County	6
27	Jackson County	6
27	Logan County	6
27	Van Wert County	6
28	Fulton County	5
29	Adams County	3
30	Shelby County	2