According to the 2011 census, 62.9% of the total population of Kruevice are Serbs; 25.8% are Montenegrins (a South Slavic ethnic group); and the remaining 11.3% are undeclared.
Serbs 62.9% Montenegrins 25.8% other/undeclared 11.3% '"Black Mountain People"') are a South Slavic ethnic group native to Montenegro. Montenegrins (Montenegrin: Crnogorci / , pronounced [tsrnoortsi or [tsrnoortsi, lit. Ethnicity in 2011 
