Slovak Population by State 2025

Pennsylvania has the largest Slovak American population, with 175,373 individuals of Slovak descent, comprising 1.36% of the state’s population. Following Pennsylvania is Ohio, with 107,450 Slovak Americans, representing 0.91% of the population. Connecticut has the third-highest percentage of Slovak Americans with 0.48%, although the actual number of Slovak Americans is much smaller at 17,295.

Other states with notable Slovak American populations include New Jersey (31,238 or 0.34%), Indiana (18,307 or 0.27%), Illinois (32,766 or 0.26%), and Michigan (21,980 or 0.22%). However, in many states, such as Mississippi, Oklahoma, Louisiana, and Arkansas, the number of Slovak Americans is relatively low, making up less than 0.03% of the population. Overall, the Slovak American population is dispersed throughout the United States, with varying concentrations in different regions.