Washington County

Addieville
Ashley
Du Bois
Hoyleton
Irvington
Nashville
New Minden
Oakdale
Okawville
Radom
Richview
HASC code :US-IL-WG
FIPS 6-4 code :17189
Capital :Nashville
Largest city :Nashville
Elevation :High : Ashley 550 ft
Low : Okawville 440 ft
Population :15,148
Land Area :563 sq mi
(1,458 km²)
Density :26.91/sq mi
(10.39/km²)
Time zone :UTC -6