sentences:  The four-county Northwest Arkansas Metropolitan Statistical Area is ranked 109th in terms of population in the United States with 463,204 in 2010 according to the United States Census Bureau.The city had a population of 69,797 at the 2010 Census.Springdale has been experiencing a population boom in recent years, as indicated by a 133% growth in population between the 1990 and 2010 censuses.