Upper Plains' largest metro, where rapid growth is reshaping the electorate
Sioux Falls has been one of the fastest-growing metros in the Great Plains for over a decade, drawing in-migrants whose varied backgrounds have gradually shifted its voter composition even as the broader region remains reliably Republican by wide margins.
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Minnehaha | 203K | R+12.7 | 39,923 | 51,842 | 93,986 | 16.4% |
| Minnehaha | 182K | R+12.7 | 39,923 | 51,842 | 93,986 | 16.4% |
| Minnehaha | 176K | R+12.7 | 39,923 | 51,842 | 93,986 | 16.4% |
| Minnehaha | 148K | R+12.7 | 39,923 | 51,842 | 93,986 | 16.4% |
| Lincoln | 71K | R+26.5 | 12,981 | 22,621 | 36,393 | 6.3% |
| Lincoln | 51K | R+26.5 | 12,981 | 22,621 | 36,393 | 6.3% |
| Lincoln | 38K | R+26.5 | 12,981 | 22,621 | 36,393 | 6.3% |
| Lincoln | 24K | R+26.5 | 12,981 | 22,621 | 36,393 | 6.3% |
| Rock | 10K | R+39.2 | 1,585 | 3,690 | 5,373 | 0.9% |
| Rock | 10K | R+39.2 | 1,585 | 3,690 | 5,373 | 0.9% |
| Rock | 10K | R+39.2 | 1,585 | 3,690 | 5,373 | 0.9% |
| Rock | 9K | R+39.2 | 1,585 | 3,690 | 5,373 | 0.9% |
| Turner | 9K | R+51.3 | 1,044 | 3,374 | 4,538 | 0.8% |
| Turner | 9K | R+51.3 | 1,044 | 3,374 | 4,538 | 0.8% |
| Turner | 8K | R+51.3 | 1,044 | 3,374 | 4,538 | 0.8% |
| Turner | 8K | R+51.3 | 1,044 | 3,374 | 4,538 | 0.8% |
| McCook | 6K | R+49.3 | 733 | 2,227 | 3,031 | 0.5% |
| McCook | 6K | R+49.3 | 733 | 2,227 | 3,031 | 0.5% |
| McCook | 6K | R+49.3 | 733 | 2,227 | 3,031 | 0.5% |
| McCook | 6K | R+49.3 | 733 | 2,227 | 3,031 | 0.5% |
| Group | Sioux Falls, SD-MN | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 87.6% | 57.4% |
▶Hispanic / Latino(16) | 3.9% | 19.3% |
▶Black / African American(10) | 3.1% | 12.2% |
Multiracial / Other | 2.3% | 4.0% |
▶Native American / Alaska Native(4) | 1.7% | 0.9% |
▶Asian(6) | 1.3% | 6.0% |
▶Middle Eastern / North African(7) | 0.3% | 0.9% |
Catholic-Evangelical edge: -17.8pp (vs national 4.5pp). A strongly Evangelical-leaning religious profile, which nationally correlates with Republican-leaning rural and exurban communities.
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 20.1% | 36.6% | — | — | |
| 20.0% | 36.4% | — | — | |
| 12.7% | 23.1% | — | — | |
| 1.3% | 2.4% | — | — | |
| 0.7% | 1.3% | — | — | |
LDS (Mormon) | 0.7% | 1.3% | — | — |
| 0.1% | 0.2% | — | — | |
Non-religiousPopulation | 45.2% | — | — | — |
Who lives in the Sioux Falls, SD-MN metro area? 988,692 residents across 20 counties.
Scale, voting-age share, and this geography's footprint inside the national electorate.
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| President vs Senate | R+19.2 | R+27.9 | 8.8pp |