Barnsdall is a city in Osage County, Oklahoma, United States. As of the 2020 census, the population of the city was 1,034. The community w…Barnsdall is a city in Osage County, Oklahoma, United States. As of the 2020 census, the population of the city was 1,034. The community was founded in 1905 and originally named Bigheart, for the Osage Chief James Bigheart. It was initially a 160-acre site along the Midland Valley Railroad in March 1905. The railroad opened Bigheart Station in September 1905 and the Bigheart Post Office opened in January 1906. The community was exempted from the Osage allotment, so lots could be sold to anyone. Lots were auctioned in May 1906. The first newspaper, the Bigheart Star, first appeared in 1906.
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