Rockingham County, New Hampshire
| Donald Trump ✓Republican | 50.5% | 102,542 |
|---|---|---|
| Kamala HarrisDemocratic | 48.1% | 97,615 |
| Chase OliverLibertarian | 0.5% | 1,010 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | −3.3% |
| 1896 | −43.0% |
| 1900 | −21.3% |
| 1904 | −24.5% |
| 1908 | −23.9% |
| 1912 | +0.7% |
| 1916 | −2.0% |
| 1920 | −35.2% |
| 1924 | −39.8% |
| 1928 | −38.6% |
| 1932 | −13.4% |
| 1936 | −11.5% |
| 1940 | −7.4% |
| 1944 | −13.1% |
| 1948 | −22.3% |
| 1952 | −37.2% |
| 1956 | −46.9% |
| 1960 | −24.3% |
| 1964 | +16.6% |
| 1968 | −14.6% |
| 1972 | −27.3% |
| 1976 | −9.8% |
| 1980 | −30.5% |
| 1984 | −38.4% |
| 1988 | −27.9% |
| 1992 | −2.5% |
| 1996 | +6.6% |
| 2000 | −3.2% |
| 2004 | −4.2% |
| 2008 | +1.1% |
| 2012 | −4.6% |
| 2016 | −5.8% |
| 2020 | +2.1% |
| 2024 | −2.4% |
Rockingham's mix of affluent coastal towns and fast-growing suburban commuter corridors has compressed its Republican margins steadily over two decades, making it a bellwether for statewide outcomes in New Hampshire.
Across the recorded series it reached a Democratic high of 16.6 points in 1964 and a Republican high of 46.9 points in 1956. Between 2020 and 2024 the county moved 4.5 points toward the Republican candidate; the 2024 margin was 2.4 points.
A population of 319,082, a 90% non-Hispanic-white share, and a median household income of $118,331 describe the county. The county's voting pattern over the last decade is most similar to that of Carroll County and Hillsborough County.
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Rockingham County, New Hampshire. Akashic. https://akashic.app/county/33015/. Accessed May 20, 2026. License: CC BY 4.0.