Iowa State Senate District 42
Safe Republican — shifted 3.9pp toward Republicans in 2024 — 63K residents
Iowa State Senate District 42 is a state senate district that has a population of 63,363. In the 2024 presidential election, it voted Republican with a margin of R+18.9. Akashic Edge tracks 5 presidential elections here, dating back to 2008.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 39.7% | 58.6% | R+18.9 | R+3.9 |
| 2020* | 41.5% | 56.4% | R+14.9 | R+0.6 |
| 2016* | 39.2% | 53.5% | R+14.3 | R+17.7 |
| 2012* | 51.7% | 48.3% | D+3.4 | R+6.6 |
| 2008* | 53.9% | 43.9% | D+10.0 | — |
* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.
What defines IA-SD-42?
IA-SD-42 has been trending Republican — 22pp redder over the last 4 presidential cycles. It has a working-class, predominantly white electorate — strong Republican base territory.
Similar state senate districts
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Key Insights
- Won by both parties in recent history — Democrats most recently in 2012, Republicans in 2024
- Shifted 22.3 points toward Republicans over the last 4 elections
- Highly elastic — margins have ranged 28.9 points across recent elections, suggesting a volatile electorate
Who Lives Here
| Group | IA-SD-42 | State | National |
|---|---|---|---|
White (Non-Hispanic) | 93.5% | 82.3% | 57.4% |
Multiracial / Other | 3.3% | 3.5% | 4.0% |
Hispanic / Latino | 1.9% | 7.3% | 19.3% |
Black / African American | 0.6% | 3.9% | 12.2% |
Asian | 0.6% | 2.5% | 6.0% |
Native American / Alaska Native | 0.1% | 0.4% | 0.9% |
Who lives in Iowa State Senate District 42? 63,363 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 IA-SD-42
How competitive is IA-SD-42?
Other Iowa State Senate Districts
49 total| Name | Margin ↓ |
|---|---|
| IA-SD-45 | D+52.4 |
| IA-SD-18 | D+45.0 |
| IA-SD-43 | D+38.3 |
| IA-SD-17 | D+35.8 |
| IA-SD-25 | D+27.3 |
| IA-SD-39 | D+22.5 |
| IA-SD-16 | D+17.3 |
| IA-SD-15 | D+16.8 |
| IA-SD-40 | D+12.6 |
| IA-SD-31 | D+12.3 |
| IA-SD-37 | D+11.3 |
| IA-SD-49 | D+8.7 |
| IA-SD-22 | D+6.8 |
| IA-SD-36 | D+3.0 |
| IA-SD-14 | R+0.3 |
| IA-SD-21 | R+2.1 |
| IA-SD-20 | R+4.5 |
| IA-SD-38 | R+5.2 |
| IA-SD-47 | R+8.0 |
| IA-SD-10 | R+8.4 |
| IA-SD-41 | R+11.3 |
| IA-SD-01 | R+11.4 |
| IA-SD-46 | R+14.2 |
| IA-SD-26 | R+15.6 |
| IA-SD-23 | R+16.4 |