Union County

Alto Pass
Anna
Cobden
Dongola
Jonesboro
HASC code :US-IL-UN
FIPS 6-4 code :17181
Capital :Jonesboro
Largest city :Anna
Elevation :High : Alto Pass 757 ft
Low : Dongola 400 ft
Population :18,293
Land Area :416 sq mi
(1,077 km²)
Density :43.97/sq mi
(16.98/km²)
Time zone :UTC -6