Union County

Alcester
Beresford
Elk Point
Jefferson
North Sioux City
HASC code :US-SD-UN
FIPS 6-4 code :46127
Capital :Elk Point
Largest city :North Sioux City
Elevation :High : Beresford 1,498 ft
Low : North Sioux City 1,100 ft
Population :12,584
Land Area :460 sq mi
(1,191 km²)
Density :27.36/sq mi
(10.56/km²)
Time zone :UTC -6