Ethnic map of the county (with data of the 1910 census). Key: light green - Slovaks; red - Hungarians; pink - Germans; black - Roma. Coloured dots in plain rectangles imply the presence of smaller minority populations (generally more than 100 people or 10%). Multicoloured rectangles imply cities and villages with multi-ethnic populations with the order of the stripes following the ethnic composition of the settlement.