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In page Free State (province):

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The majority of the population are black Africans who speak Sotho as a first language. The vast majority of white people in the Free State are Afrikaans-speaking. In 1880 the white population made up 45.7% of the total population. In 1904 this had fallen to 36.8%.[1] Of the 142,679 people in 1904, only 60% were born in the province. Of the 2,726 European immigrants born in non-British states, 1,025 came from the Russian Empire, mainly Jews. In 1904 whites made up a majority in most settlements, namely Ficksburg (52.3%), Wepener (60.2%), Ladybrand (60.0%), and Kroonstad (51.6%), and made up a substantial minority in Bloemfontein (45.7%) and Winburg (36.3%).