Sioux County Map
The County of Sioux is located in the State of Iowa. Find directions to Sioux County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Sioux County population is estimated at 35,043 people. The Sioux County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).
Nearby counties include Cherokee County, Lyon County, O'Brien County, Osceola County, Plymouth County, Lincoln County, Union County.
Top cities include Sioux Center, Orange City, Rock Valley, Hawarden, Hull