sentences:  In 2019 the estimated population was 68,669, making it the sixth-most populous city in the state.Northwest Arkansas is ranked 109th in terms of population in the United States, with 465,776 inhabitants as of the 2010 U.S. Census.Rogers was named after Captain Charles Warrington Rogers, who was vice-president and general manager of the St. Louis and San Francisco Railway, also known as the Frisco.