Polk County

Alleman
Altoona
Ankeny
Bondurant
Clive
Des Moines
Elkhart
Grimes
Johnston
Mitchellville
Pleasant Hill
Polk City
Runnells
Saylorville
Sheldahl
Urbandale
West Des Moines
Windsor Heights
DB-City :Polk County
HASC code :US-IA-PK
FIPS 6-4 code :19153
Capital :Des Moines
Largest city :Des Moines
Elevation :High : Sheldahl 1,037 ft
Low : Ankeny 0 ft
Population :374,601
Land Area :570 sq mi
(1,476 km²)
Density :657.19/sq mi
(253.74/km²)
Time zone :UTC -6
Website :http://www.co.polk.ia.us