Pennington County

Ashland Heights
Box Elder
Colonial Pine Hills
Green Valley
Hill City
Keystone
New Underwood
Rapid City
Rapid Valley
Wall
HASC code :US-SD-PN
FIPS 6-4 code :46103
Capital :Rapid City
Largest city :Rapid City
Elevation :High : Hill City 4,979 ft
Low : Colonial Pine Hills 0 ft
Population :88,565
Land Area :2,776 sq mi
(7,190 km²)
Density :31.90/sq mi
(12.32/km²)
Time zone :UTC -7
Website :http://www.co.pennington.sd.us