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As of the 2010 United States Census, Sioux County, located in the Hawkeye State, had a total population of 24,899 people.
From a total population of 24,899, Sioux County has a median age of 42.1. The average age of males, in Sioux County, is 41.3 while the average age of females is 42.7. When you compare this to median age of Iowa, Sioux County is 4.1 years older.
The median income of individuals, in Sioux County, is $27,848 while the average household income is $57,583. When comparing the median income of people living in Sioux County to the rest of Iowa, the average income in Sioux County is $227 more.