Washington County

Ainsworth
Brighton
Crawfordsville
Kalona
Riverside
Washington
Wellman
HASC code :US-IA-WS
FIPS 6-4 code :19183
Capital :Washington
Largest city :Washington
Elevation :High : Washington 762 ft
Low : Riverside 0 ft
Population :20,670
Land Area :569 sq mi
(1,474 km²)
Density :36.33/sq mi
(14.03/km²)
Time zone :UTC -6