Sioux City-Le Mars, IA-NE-SD Combined Statistical Area Demographics
Sioux City-Le Mars, IA-NE-SD Combined Statistical Area is the 154th most populous of 184 combined statistical areas in the United States, with 170,032 residents across 2,461 square miles. That is about 69 people per square mile.
At the 2020 census
| Population | 170,032 |
|---|---|
| Land area | 2,461 sq mi |
| Density | 69 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Sioux City-Le Mars, IA-NE-SD Combined Statistical Area compares to the US
We're computing this combined statistical area's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Sioux City-Le Mars, IA-NE-SD Combined Statistical Area
Measured from the combined statistical area's main population center using 2020 census blocks.
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Counties in the Sioux City-Le Mars, IA-NE-SD Combined Statistical Area area
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Woodbury County, IA | 105,941 | 872.9 | 121 |
| Plymouth County, IA | 25,698 | 862.8 | 30 |
| Dakota County, NE | 21,582 | 264.3 | 82 |
| Union County, SD | 16,811 | 460.8 | 36 |
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About this page
This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.
Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.