Missouri State Senate District 31
Safe Republican — 178K residents
Missouri State Senate District 31 is a state senate district that has a population of 177,879. In the 2024 presidential election, it voted Republican with a margin of R+36.7. Akashic Edge tracks 5 presidential elections here, dating back to 2008.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 31.0% | 67.7% | R+36.7 | R+1.4 |
| 2020* | 31.3% | 66.5% | R+35.3 | D+4.8 |
| 2016* | 27.1% | 67.2% | R+40.1 | R+11.7 |
| 2012* | 35.8% | 64.2% | R+28.4 | R+11.0 |
| 2008* | 40.3% | 57.7% | R+17.5 | — |
* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.
What defines MO-SD-31?
It has a working-class, predominantly white electorate — strong Republican base territory.
Similar state senate districts
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Key Insights
- Has voted Republican in the last 5 presidential elections
- Latest election (2024) was a Republican landslide with a 36.7% margin
- Highly elastic — margins have ranged 22.6 points across recent elections, suggesting a volatile electorate
Who Lives Here
| Group | MO-SD-31 | State | National |
|---|---|---|---|
White (Non-Hispanic) | 83.6% | 76.3% | 57.4% |
Multiracial / Other | 5.7% | 4.9% | 4.0% |
Hispanic / Latino | 4.8% | 5.2% | 19.3% |
Black / African American | 4.2% | 11.0% | 12.2% |
Asian | 1.0% | 2.1% | 6.0% |
Native American / Alaska Native | 0.5% | 0.3% | 0.9% |
Native Hawaiian / Pacific Islander | 0.2% | 0.1% | 0.2% |
Who lives in Missouri State Senate District 31? 177,879 residents as of the 2020 Census.
Demographics
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.
Turnout in MO-SD-31
How competitive is MO-SD-31?
Other Missouri State Senate Districts
33 total| Name | Margin ↓ |
|---|---|
| MO-SD-05 | D+75.4 |
| MO-SD-13 | D+62.1 |
| MO-SD-09 | D+56.6 |
| MO-SD-14 | D+52.6 |
| MO-SD-04 | D+49.6 |
| MO-SD-07 | D+48.8 |
| MO-SD-24 | D+13.7 |
| MO-SD-19 | D+9.7 |
| MO-SD-01 | D+8.4 |
| MO-SD-17 | D+3.4 |
| MO-SD-15 | R+1.9 |
| MO-SD-30 | R+3.8 |
| MO-SD-08 | R+5.3 |
| MO-SD-23 | R+6.5 |
| MO-SD-34 | R+11.1 |
| MO-SD-11 | R+11.7 |
| MO-SD-02 | R+23.2 |
| MO-SD-22 | R+33.5 |
| MO-SD-21 | R+35.9 |
| MO-SD-10 | R+46.4 |
| MO-SD-20 | R+47.8 |
| MO-SD-26 | R+48.2 |
| MO-SD-06 | R+48.9 |
| MO-SD-32 | R+50.9 |
| MO-SD-03 | R+53.2 |