Ethnic homogeneity and heterogeneity in bihor county in the first years of the 3rd millennium

The study of ethnic communities has aroused and continues to arouse the interest of specialists from various scientific disciplines, geographers, historians, sociologists, jurists, political scientists, etc. This study aims to highlight, from a geographical perspective, the evolution of ethnic communities, respectively the ethnic homogeneity or heterogeneity in Bihor County in the first years of the 3rd millennium. For this purpose, the evolution of the communities of Romanians, Hungarians, Roma and Slovaks was analyzed in the censuses of 2002, 2011 and 2021 in order to be able to capture the changes occurring, from a numerical point of view, within these ethnic communities. The ethnic homogeneity index was also calculated, which highlights those areas where there is ethnic homogeneity and those with ethnic heterogeneity.