Largest Czech population, South Carolina counties

South Carolina counties ranked by the number of residents who are Czech ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 31 counties in South Carolina that qualify, ranked against each other statewide. The median across all 31 is 142. Biggest climber in the top 100 since 2020: Chester County, SC, up 9 places to #19.