Barnstable County, Massachusetts
| Kamala Harris ✓Democratic | 59.2% | 88,129 |
|---|---|---|
| Donald TrumpRepublican | 38.6% | 57,451 |
| Chase OliverLibertarian | 0.5% | 684 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −44.2% |
| 1896 | −76.4% |
| 1900 | −62.0% |
| 1904 | −58.5% |
| 1908 | −58.4% |
| 1912 | +1.5% |
| 1916 | −19.5% |
| 1920 | −69.5% |
| 1924 | −75.2% |
| 1928 | −54.4% |
| 1932 | −41.7% |
| 1936 | −40.0% |
| 1940 | −40.3% |
| 1944 | −40.0% |
| 1948 | −51.4% |
| 1952 | −61.4% |
| 1956 | −66.7% |
| 1960 | −25.4% |
| 1964 | +14.1% |
| 1968 | −18.4% |
| 1972 | −23.1% |
| 1976 | −11.0% |
| 1980 | −21.3% |
| 1984 | −14.3% |
| 1988 | −0.9% |
| 1992 | +11.7% |
| 1996 | +17.2% |
| 2000 | +10.5% |
| 2004 | +10.3% |
| 2008 | +14.0% |
| 2012 | +7.8% |
| 2016 | +13.3% |
| 2020 | +24.2% |
| 2024 | +20.6% |
Barnstable County covers the entirety of Cape Cod, where a large retiree population and second-home owners produce an older, college-educated electorate that has voted Democratic at the presidential level by double digits in recent cycles.
Across the recorded series it reached a Democratic high of 24.2 points in 2020 and a Republican high of 76.4 points in 1896. Between 2020 and 2024 the county moved 3.6 points toward the Republican candidate; the 2024 margin was 20.6 points.
A population of 231,668, a 85% non-Hispanic-white share, and a median household income of $95,241 describe the county. The county's voting pattern over the last decade is most similar to that of Pima County and Norfolk County.
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Barnstable County, Massachusetts. Akashic. https://akashic.app/county/25001/. Accessed May 20, 2026. License: CC BY 4.0.