Oregon County

Alton
Koshkonong
Thayer
HASC code :US-MO-OR
FIPS 6-4 code :29149
Capital :Alton
Largest city :Thayer
Elevation :High : Koshkonong 970 ft
Low : Thayer 532 ft
Population :10,344
Land Area :792 sq mi
(2,051 km²)
Density :13.06/sq mi
(5.04/km²)
Time zone :UTC -6