Massachusetts 8th Congressional District, Massachusetts: Urban anchor district. In 2024, voted D+31%. Democratic peak: D+57 in 1964.
Key facts
- 2024 presidential margin
- D+31MIT Election Lab
- Political archetype
- Urban anchorAkashic typology
- Population
- 616,5072024 5-year
- Median household income
- $113,5082024 5-year
- White (non-Hispanic)
- 62.2%2024 5-year
- Black
- 11.4%2024 5-year
- Hispanic / Latino
- 12.4%2024 5-year
- Peak Democratic margin
- D+57 in 1964MIT Election Lab
- Peak Republican margin
- R+34 in 1896MIT Election Lab
Predecessors: CAPUANO, Michael Everett (2011–2013), CAPUANO, Michael Everett (2009–2011), CAPUANO, Michael Everett (2007–2009), CAPUANO, Michael Everett (2005–2007)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 188,314 | 96,246 | 293,190 | ||
| D | 216,956 | 88,703 | 314,516 | ||
| D | 183,226 | 82,607 | 289,306 | ||
| D | 169,623 | 96,720 | 270,676 | ||
| D | 164,096 | 90,109 | 259,505 | ||
| D | 155,530 | 84,504 | 242,969 | ||
| D | 141,236 | 69,209 | 226,506 | ||
| D | 133,697 | 59,058 | 211,757 | ||
| D | 113,321 | 67,379 | 229,379 | ||
| D | 121,294 | 99,782 | 224,399 | ||
| D | 112,460 | 108,269 | 221,413 | ||
| D | 90,953 | 90,032 | 214,506 | ||
| D | 119,184 | 90,427 | 217,708 | ||
| D | 121,775 | 91,860 | 214,802 | ||
| D | 137,035 | 61,912 | 208,766 | ||
| D | 166,174 | 45,607 | 212,460 | ||
| D | 140,841 | 83,949 | 225,337 | ||
| R | 93,794 | 122,788 | 217,333 | ||
| R | 108,479 | 116,167 | 225,475 | ||
| D | 115,857 | 79,722 | 201,541 | ||
| D | 104,543 | 88,122 | 193,065 | ||
| D | 107,011 | 88,087 | 196,211 | ||
| D | 96,089 | 68,507 | 177,962 | ||
| D | 83,930 | 62,891 | 150,832 | ||
| D | 84,495 | 66,083 | 151,530 | ||
| R | 31,061 | 60,848 | 107,967 | ||
| R | 28,041 | 59,216 | 91,539 | ||
| D | 25,222 | 22,916 | 49,478 | ||
| D | 18,652 | 12,252 | 45,232 | ||
| R | 17,055 | 23,499 | 43,502 | ||
| R | 19,727 | 21,726 | 43,460 | ||
| R | 18,090 | 20,325 | 40,126 | ||
| R | 11,994 | 25,191 | 38,976 | ||
| D | 18,580 | 17,180 | 36,570 | ||
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U.S. Senate
| Year | Won | D % | R % | Total |
|---|---|---|---|---|
| 2024 | D | 58.1% | 38.9% | 3,512,930 |
| 2020 | D | 64.5% | 32.2% | 3,658,005 |
| 2018 | D | 60.3% | 36.2% | 2,707,090 |
| 2014 | D | 59.0% | 36.2% | 2,186,789 |
| 2012 | D | 53.3% | 45.8% | 3,184,196 |
| 2008 | D | 63.6% | 29.8% | 3,102,995 |
| 2006 | D | 66.9% | 29.5% | 2,243,835 |
| 2002 | D | 72.3% | 0.0% | 2,220,301 |
| 2000 | D | 69.1% | 12.2% | 2,734,048 |
| 1996 | D | 52.2% | 44.7% | 2,555,942 |
| 1994 | D | 58.1% | 41.0% | 2,179,945 |
| 1990 | D | 54.5% | 41.0% | 2,424,579 |
| 1988 | D | 65.0% | 33.9% | 2,606,225 |
| 1984 | D | 55.1% | 44.9% | 2,530,471 |
| 1982 | D | 60.8% | 38.3% | 2,050,769 |
| 1978 | D | 55.1% | 44.8% | 1,985,700 |
| 1976 | D | 69.3% | 29.0% | 2,491,255 |
Demographics
MA-8 covers a dense stretch of greater Boston where a D+24.6 presidential margin in 2024 reflects a heavily educated, majority-minority electorate concentrated in some of the region's most walkable, transit-dependent neighborhoods.
The Democratic margin in Massachusetts 8th Congressional District has been steady. It reached its modern peak at fifty-seven points in 1964; the 2024 margin was thirty-one points, still in line with the district's long pattern.
Its political identity is inseparable from its demographic profile: a 62% non-Hispanic-white share, a median household income of $113,508, and the full diversity of a major metropolitan center.
Compare two places, side by side
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Congressional District 8, Massachusetts. Akashic. https://akashic.app/cd/2508/. Accessed May 20, 2026. License: CC BY 4.0.