Ranking of Ohio Counties By Population with Czech Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 55.16K people in Ohio with Czech ancestry. Among all Ohio counties, Cuyahoga County had the highest population with Czech ancestry (14.17K), followed by Franklin County (4.17K), and Summit County (4.02K).

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

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

Data Source: US Census Bureau.
Ranking of Ohio Counties By Population with Czech Ancestry in 2021
Cuyahoga County
Franklin County
Summit County
Medina County
Lake County
Portage County
Lorain County
Lucas County
Geauga County
Stark County
Ranking of Ohio Counties By Population with Czech Ancestry in 2021
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Rank County Population
1 Cuyahoga County 14167
2 Franklin County 4169
3 Summit County 4017
4 Medina County 2831
5 Lake County 2389
6 Portage County 2189
7 Lorain County 1901
8 Lucas County 1679
9 Geauga County 1656
10 Stark County 1563
11 Hamilton County 1527
12 Delaware County 1241
13 Montgomery County 1122
14 Wood County 893
15 Warren County 835
16 Licking County 793
17 Ashtabula County 763
18 Butler County 756
19 Mahoning County 719
20 Wayne County 718
21 Greene County 697
22 Belmont County 622
23 Trumbull County 581
24 Clermont County 431
25 Fairfield County 421
26 Jefferson County 401
27 Richland County 352
28 Columbiana County 317
29 Erie County 308
30 Tuscarawas County 295
31 Williams County 291
32 Defiance County 289
32 Washington County 289
33 Miami County 239
34 Fulton County 229
35 Hancock County 228
36 Athens County 227
37 Ashland County 224
38 Huron County 200
39 Ottawa County 163
40 Crawford County 131
41 Guernsey County 123
42 Knox County 118
42 Pickaway County 118
43 Clark County 114
43 Muskingum County 114
44 Madison County 109
45 Henry County 108
46 Noble County 101
47 Allen County 100
48 Clinton County 92
49 Sandusky County 91
50 Seneca County 86
51 Coshocton County 81
52 Monroe County 72
53 Champaign County 67
54 Carroll County 61
55 Marion County 57
56 Union County 52
57 Mercer County 46
57 Ross County 46
58 Harrison County 42
58 Meigs County 42
59 Hardin County 41
60 Fayette County 37
60 Scioto County 37
61 Van Wert County 36
62 Holmes County 35
62 Preble County 35
63 Paulding County 33
64 Perry County 29
65 Auglaize County 22
65 Brown County 22
66 Putnam County 21
67 Logan County 17
68 Darke County 14
69 Morrow County 13
70 Wyandot County 12
71 Gallia County 11
72 Hocking County 10
73 Pike County 9
73 Shelby County 9
74 Lawrence County 7
75 Morgan County 5