U.S. Decennial Census[3] Plymouth County, Iowa, was removed from the MSA prior to the 2020 census.
As of the census[4] of 2000, there were 143,005 people, 53,586 households, and 36,735 families residing within the MSA. The racial makeup of the MSA was 87.40% White, 1.58% African American, 1.54% Native American, 2.31% Asian, 0.04% Pacific Islander, 5.19% from other races, and 1.93% from two or more races. Hispanic or Latino of any race were 10.17% of the population.
The median income for a household in the MSA was $39,084, and the median income for a family was $45,638. Males had a median income of $30,799 versus $22,162 for females. The per capita income for the MSA was $18,650.
The Sioux City–Vermillion combined statistical area (CSA) is made up of five counties in three states: Iowa, Nebraska, and South Dakota. The statistical area includes one metropolitan area and one micropolitan area. The CSA had a population population of 175,638 as of 2020.
Sioux City, Iowa has been featured in an Independent Lens series documenting bullying.[5]
The Sioux City metropolitan area is also featured in the book 100 Things to Do in Sioux City & Siouxland Before You Die by Lindsay Hindman (Reedy Press, Sept. 2020)[6]