Massachusetts 115th State House District, Massachusetts: Tossup district. In 2024, voted D+9%. Republican peak: R+57 in 1896.
Key facts
- 2024 presidential margin
- D+9MIT Election Lab
- Political archetype
- TossupAkashic typology
- Population
- 33,4332024 5-year
- Median household income
- $114,2012024 5-year
- White (non-Hispanic)
- 77.0%2024 5-year
- Black
- 8.0%2024 5-year
- Hispanic / Latino
- 4.9%2024 5-year
- Peak Democratic margin
- D+37 in 1964MIT Election Lab
- Peak Republican margin
- R+57 in 1896MIT Election Lab
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 9,995 | 8,344 | 18,753 | ||
| D | 10,849 | 7,575 | 18,987 | ||
| D | 8,467 | 7,209 | 17,215 | ||
| D | 8,238 | 7,566 | 16,029 | ||
| D | 8,236 | 7,055 | 15,609 | ||
| D | 7,822 | 6,598 | 14,577 | ||
| D | 7,209 | 5,171 | 13,220 | ||
| D | 6,628 | 4,038 | 12,123 | ||
| D | 4,946 | 4,343 | 12,978 | ||
| R | 5,285 | 6,604 | 12,089 | ||
| R | 4,307 | 6,575 | 10,920 | ||
| R | 3,672 | 5,348 | 10,825 | ||
| D | 5,228 | 4,667 | 10,274 | ||
| R | 4,319 | 4,753 | 9,127 | ||
| D | 4,235 | 3,414 | 7,996 | ||
| D | 5,124 | 2,371 | 7,519 | ||
| R | 3,573 | 3,810 | 7,395 | ||
| R | 1,898 | 4,722 | 6,633 | ||
| R | 2,050 | 4,244 | 6,313 | ||
| R | 2,172 | 3,057 | 5,320 | ||
| R | 2,018 | 2,952 | 4,981 | ||
| R | 2,155 | 3,038 | 5,224 | ||
| R | 1,904 | 2,621 | 4,874 | ||
| R | 1,633 | 2,357 | 4,108 | ||
| R | 1,555 | 2,584 | 4,172 | ||
| R | 554 | 2,170 | 3,146 | ||
| R | 586 | 2,098 | 2,853 | ||
| R | 688 | 844 | 1,609 | ||
| O | 437 | 349 | 1,478 | ||
| R | 331 | 827 | 1,325 | ||
| R | 359 | 792 | 1,300 | ||
| R | 291 | 676 | 1,114 | ||
| R | 212 | 838 | 1,095 | ||
| R | 456 | 656 | 1,152 | ||
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Demographics
With a 2024 presidential margin of just R+0.3, this southeastern Massachusetts district sits at the edge of competitive territory, making it a reliable bellwether for statewide suburban and exurban shifts.
The district's recent history is a story of close margins. The Democratic margin reached thirty-seven points in 1964; the Republican margin reached fifty-seven points in 1896. Most other elections have been decided by single-digit points.
Its demographics — a population of 33,433, a 77% non-Hispanic-white share, a median household income of $114,201 — situate the district close to national averages on several dimensions.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
5th Plymouth District, Massachusetts. Akashic. https://akashic.app/sld-lower/25115/. Accessed May 20, 2026. License: CC BY 4.0.