Ranking of Maryland Counties By Percentage of Population with Czech Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 16.70K people in Maryland with Czech ancestry (0.27% of Maryland population). Among all Maryland counties, Harford County had the highest percentage of its population with Czech ancestry (0.60%), followed by Worcester County (0.59%), and St. Mary's County (0.45%).

The chart and table below shows the top 10 counties with high percentage of its population having Czech ancestry.

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

Data Source: US Census Bureau.
Ranking of Maryland Counties By Percentage of Population with Czech Ancestry in 2021
Harford County
Worcester County
St. Mary's County
Talbot County
Calvert County
Dorchester County
Frederick County
Kent County
Cecil County
Anne Arundel County
Ranking of Maryland Counties By Percentage of Population with Czech Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Harford County 0.60
2 Worcester County 0.59
3 St. Mary's County 0.45
3 Talbot County 0.45
4 Calvert County 0.40
5 Dorchester County 0.39
6 Frederick County 0.38
6 Kent County 0.38
7 Cecil County 0.35
8 Anne Arundel County 0.34
8 Baltimore County 0.34
8 Howard County 0.34
9 Carroll County 0.32
9 Queen Anne's County 0.32
10 Montgomery County 0.25
11 Caroline County 0.20
11 Somerset County 0.20
11 Washington County 0.20
12 Garrett County 0.19
12 Baltimore city 0.19
13 Charles County 0.17
14 Allegany County 0.16
15 Wicomico County 0.13
16 Prince George's County 0.07