Ranking of Ohio Counties By Percentage of Population with Slovak Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 107.45K people in Ohio with Slovak ancestry (0.91% of Ohio population). Among all Ohio counties, Mahoning County had the highest percentage of its population with Slovak ancestry (5.77%), followed by Medina County (2.90%), and Trumbull County (2.88%).

The chart and table below shows the top 10 counties with high percentage of its population having Slovak 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 Percentage of Population with Slovak Ancestry in 2021
Mahoning County
Medina County
Trumbull County
Geauga County
Cuyahoga County
Lake County
Guernsey County
Lorain County
Jefferson County
Summit County
Ranking of Ohio Counties By Percentage of Population with Slovak Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Mahoning County 5.77
2 Medina County 2.90
3 Trumbull County 2.88
4 Geauga County 2.74
5 Cuyahoga County 2.22
6 Lake County 2.18
7 Guernsey County 2.17
8 Lorain County 2.05
9 Jefferson County 1.99
10 Summit County 1.57
11 Portage County 1.54
12 Columbiana County 1.31
13 Erie County 1.18
14 Belmont County 1.13
15 Ottawa County 1.03
16 Ashtabula County 0.93
17 Delaware County 0.85
18 Stark County 0.84
19 Wood County 0.69
20 Wayne County 0.64
21 Harrison County 0.60
22 Marion County 0.57
23 Carroll County 0.56
24 Athens County 0.47
25 Union County 0.45
26 Noble County 0.44
27 Lucas County 0.42
28 Franklin County 0.40
29 Muskingum County 0.39
30 Coshocton County 0.35
30 Hancock County 0.35
31 Ashland County 0.33
31 Fulton County 0.33
32 Fairfield County 0.31
32 Gallia County 0.31
33 Huron County 0.30
33 Tuscarawas County 0.30
34 Sandusky County 0.29
35 Knox County 0.27
36 Richland County 0.26
37 Greene County 0.23
38 Licking County 0.22
39 Butler County 0.20
39 Montgomery County 0.20
40 Putnam County 0.17
41 Clark County 0.16
41 Warren County 0.16
41 Williams County 0.16
42 Hamilton County 0.15
43 Mercer County 0.14
44 Hardin County 0.13
44 Miami County 0.13
45 Clermont County 0.12
45 Fayette County 0.12
45 Perry County 0.12
46 Auglaize County 0.11
46 Morrow County 0.11
47 Seneca County 0.10
48 Brown County 0.09
48 Defiance County 0.09
48 Paulding County 0.09
49 Allen County 0.08
49 Champaign County 0.08
49 Clinton County 0.08
49 Henry County 0.08
49 Vinton County 0.08
49 Washington County 0.08
50 Crawford County 0.07
50 Highland County 0.07
50 Monroe County 0.07
50 Pickaway County 0.07
51 Darke County 0.06
51 Logan County 0.06
52 Holmes County 0.05
53 Hocking County 0.04
53 Wyandot County 0.04
54 Lawrence County 0.03
54 Preble County 0.03
54 Van Wert County 0.03
55 Adams County 0.02
55 Madison County 0.02
56 Ross County 0.01
56 Scioto County 0.01
56 Shelby County 0.01
57 Meigs County 0.005