Muskogee is a city located in Muskogee County, Oklahoma. Muskogee has a 2026 population of 36,849. It is also the county seat of Muskogee County. Muskogee is currently growing at a rate of 0.01% annually and its population has increased by 0.21% since the most recent census, which recorded a population of 36,770 in 2020.