According to the U.S. Census Bureau, as of 2020, the state of Oklahoma had a population of 3,959,353, which is an increase of 208,002 or 5.54% since the year 2010. Oklahoma is the 28th most populous state in the United States.
According to the U.S. Census Bureau, as of 2020, the state of Oklahoma had a population of 3,959,353, which is an increase of 208,002 or 5.54% since the year 2010. Oklahoma is the 28th most populous state in the United States.