Cika wannan jumla: A cikin 1991, kafin
a farkon yakin neman 'yancin kai na Croatia da kuma rushewar Yugoslavia, Croats sun hada da 59.7% na yawan jama'a, yayin da Serbs suka hada da 37%. Yankin gundumar ya kasance yana da yawan jama'ar Serbia, galibi suna cikin gabashin gundumar, inda suka zama mafi rinjaye. Duk tsohuwar gundumar Lika-Krbava, da ke da alaƙa da yankin gundumar Lika-Senj ta zamani, a cikin ƙididdigar 1900 da 1910 har ma sun yi rajistar yawancin Serbia (51.2% da 50.8%, bi da bi).