Sioux County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 35,872. The county seat is Orange City and the largest city is Sioux Center.

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Not who you're looking for? Others named Sioux County: county in Nebraska, United States · county in North Dakota, United States

Overview

Sioux County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 35,872. The county seat is Orange City and the largest city is Sioux Center.

From Wikipedia (CC BY-SA 4.0).