Rawlins is a city in Carbon County, Wyoming, United States. The population was 8,221 at the 2020 census. It is the county seat of Car…Rawlins is a city in Carbon County, Wyoming, United States. The population was 8,221 at the 2020 census. It is the county seat of Carbon County. It was named for Union General John Aaron Rawlins, who camped in the locality in 1867.