<Tr> <Th> Rank </Th> <Td> 89th in the U.S. </Td> </Tr> <Tr> <Th> Density </Th> <Td> 183.4 / sq mi (70.8 / km) </Td> </Tr> <P> The Des Moines metropolitan area, officially known as the Des Moines--West Des Moines, IA Metropolitan Statistical Area (MSA), consists of five counties in central Iowa, United States: Polk, Dallas, Warren, Madison, and Guthrie . The 2010 census population of these counties was 569,633, and the 2017 estimated population was 645,911 . </P> <P> Three additional counties, Boone, Jasper, and Story, are part of the Des Moines--Ames--West Des Moines Combined Statistical Area (CSA). The area encompasses the separate metropolitan area of Ames (Story County), and the separate micropolitan areas of Boone, (Boone County), and Newton (Jasper County). The total population of the CSA was 722,323 in the 2010 census and 806,863 based on 2017 estimates . </P>

What is the population of the des moines area