Migration to and from Sioux County, Iowa
Where Sioux County residents came from and where they went over the 5-year window 2016-2020. Census ACS County-to-County Migration Flows, 2020 5-yr (frozen vintage).
Total inflow
2,014
people moved in (5-yr)
Total outflow
1,395
people moved out (5-yr)
Net migration
+619
inflow minus outflow
Top 10 counties people moved IN from
| Origin | State / Region | People (5-yr) |
|---|---|---|
| Adair County | Iowa | 117 |
| Woodbury County | Iowa | 90 |
| Waseca County | Minnesota | 73 |
| Waseca City | Waseca County, Minnesota | 73 |
| Manatee County | Florida | 67 |
| Boone County | Iowa | 64 |
| Carver County | Minnesota | 52 |
| Waconia Township | Carver County, Minnesota | 52 |
| Minnehaha County | South Dakota | 50 |
| Clay County | South Dakota | 47 |
Top 10 counties people moved OUT to
| Destination | State / Region | People (5-yr) |
|---|---|---|
| O'Brien County | Iowa | 139 |
| Lincoln County | South Dakota | 128 |
| Black Hawk County | Iowa | 96 |
| Lyon County | Iowa | 94 |
| DuPage County | Illinois | 75 |
| Minnehaha County | South Dakota | 55 |
| Cherry County | Nebraska | 44 |
| Plymouth County | Iowa | 40 |
| Brule County | South Dakota | 40 |
| Union County | South Dakota | 37 |
Explore Sioux County
- Business data for Sioux CountyConstruction sector establishments, employment, payroll
- Cities in IowaACS demographic profiles for places statewide
- ZIP code lookupSearch demographic data by ZIP code
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- Federal contracts in IAGovBids: RFPs, awards, NAICS matching
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Methodology
- Counts represent the number of people aged 1+ who reported a different residence at the survey reference date than they did one year earlier, aggregated across the 5-year sample window 2016-2020.
- Outbound (OUT) flows are reported less frequently than inbound (IN) because the survey captures the destination side of each move. Many county pairs have null OUT counts, which is normal.
- "Total inflow" sums the published MOVEDIN counts across all origin counties, including foreign-region inflows (Africa, Asia, Central America, etc.). It is not the same as net population change.
- Frozen vintage. The Census Bureau has not released a newer county-to-county migration flows file. The 2020 5-yr vintage (covering 2016-2020) is the latest available as of build date.
Source: U.S. Census Bureau, American Community Survey, County-to-County Migration Flows: 2016-2020. Vintage: 2020 5-yr. Generated: 2026-05-28. FIPS: 19167.