Statistical data from the 1930 census in Slovakia. The publication contains data on the population of individual villages, towns and districts in the region broken down by ethnicity, statehood and religious affiliation. Also mentioned are village parts and key features of local economies.

Carpatho-Rusyn communities could be found in the eastern portion of the country; particularly in the districts Bardejov, Giraltovce, Humenné, Kežmarok, Kraľovský Chlumec, Levoča, Medzilaborce, Prešov, Sabinov, Snina, Sobrance, Spišská Nová Ves, Spišská Stará Ves, Stará Ľubovňa, Stropkov, Vranov nad Topľou.