<P> The largest Asian American populations in the southwest can be found in Nevada and Utah, with some significant Asian population in Phoenix . The most significant American Indian populations can be found in New Mexico and Arizona . </P> <P> The area also contains many of the nation's largest cities and metropolitan areas, despite relatively low population density in rural areas . Phoenix is the sixth most populous cities in the country, and Albuquerque and Las Vegas are some of the fastest - growing cities in America . Also, the region as a whole has witnessed some of the highest population growth in the United States, and according to the US Census Bureau, in 2008--2009, Utah was the fastest growing state in America . As of the 2010 Census, Nevada was the fastest growing state in the United States, with an increase of 35.1% in the last ten years . Additionally, Arizona (24.6%), Utah (23.8%), Texas (20.6%), and Colorado (16.9%) were all in the top ten fastest growing states as well . </P> <Table> <Tr> <Th> Rank </Th> <Th> City </Th> <Th> State </Th> <Th> Population </Th> <Th> Metro Population </Th> </Tr> <Tr> <Td> </Td> <Td> Phoenix </Td> <Td> Arizona </Td> <Td> 7006144563200000000 ♠ 1,445,632 </Td> <Td> 7006419288700000000 ♠ 4,192,887 </Td> </Tr> <Tr> <Td> </Td> <Td> El Paso </Td> <Td> Texas </Td> <Td> 7005649133000000000 ♠ 649,133 </Td> <Td> 7005804123000000000 ♠ 804,123 </Td> </Tr> <Tr> <Td> </Td> <Td> Las Vegas </Td> <Td> Nevada </Td> <Td> 7005583736000000000 ♠ 583,736 </Td> <Td> 7006195126900000000 ♠ 1,951,269 </Td> </Tr> <Tr> <Td> </Td> <Td> Albuquerque </Td> <Td> New Mexico </Td> <Td> 7005558000000000000 ♠ 558,000 </Td> <Td> 7005887077000000000 ♠ 887,077 </Td> </Tr> <Tr> <Td> 5 </Td> <Td> Tucson </Td> <Td> Arizona </Td> <Td> 7005520116000000000 ♠ 520,116 </Td> <Td> 7005980263000000000 ♠ 980,263 </Td> </Tr> <Tr> <Td> 6 </Td> <Td> Mesa </Td> <Td> Arizona </Td> <Td> 7005439041000000000 ♠ 439,041 </Td> <Td> 7006419288700000000 ♠ 4,192,887 </Td> </Tr> <Tr> <Td> 7 </Td> <Td> Henderson </Td> <Td> Nevada </Td> <Td> 7005257729000000000 ♠ 257,729 </Td> <Td> 7006195126900000000 ♠ 1,951,269 </Td> </Tr> <Tr> <Td> 8 </Td> <Td> Chandler </Td> <Td> Arizona </Td> <Td> 7005236123000000000 ♠ 236,123 </Td> <Td> 7006419288700000000 ♠ 4,192,887 </Td> </Tr> <Tr> <Td> 9 </Td> <Td> Glendale </Td> <Td> Arizona </Td> <Td> 7005226721000000000 ♠ 226,721 </Td> <Td> 7006419288700000000 ♠ 4,192,887 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Scottsdale </Td> <Td> Arizona </Td> <Td> 7005217385000000000 ♠ 217,385 </Td> <Td> 7006419288700000000 ♠ 4,192,887 </Td> </Tr> </Table> <Tr> <Th> Rank </Th> <Th> City </Th> <Th> State </Th> <Th> Population </Th> <Th> Metro Population </Th> </Tr>

Which state has the largest land area in the southwest region