Islip, New York
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −7.2% |
| 2008 | −2.2% |
| 2012 | −3.1% |
| 2016 | −17.1% |
| 2020 | −9.6% |
| 2024 | −19.9% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 39.5%Harris3,855 | 59.5%Trump5,800 | 1.0% | R+19.9 | R+10.3 | R+18.5 | 9,756 | |
| R | 44.5%Biden4,429 | 54.1%Trump5,390 | 1.4% | R+9.6 | D+7.5 | R+14.1 | 9,963 | |
| R | 39.3%Clinton3,451 | 56.4%Trump4,953 | 4.2% | R+17.1 | R+14.0 | R+19.2 | 8,775 | |
| R | 47.8%Obama3,871 | 50.9%Romney4,120 | 1.4% | R+3.1 | R+0.9 | R+6.9 | 8,101 | |
| R | 48.4%Obama4,111 | 50.6%McCain4,299 | 1.0% | R+2.2 | D+5.0 | R+9.5 | 8,493 | |
| R | 45.4%Kerry3,738 | 52.6%Bush4,334 | 2.0% | R+7.2 | — | R+4.8 | 8,236 |
Islip CDP sits along Great South Bay in Suffolk County, drawing commuters tied to nearby MacArthur Airport and the LIRR corridor. Its mid-size population and mixed housing stock reflect the broader demographic churn reshaping Long Island's older suburb belt.
Across the recorded series it reached a Republican high of 19.9 points in 2024. Between 2020 and 2024 the city moved 10.3 points toward the Republican candidate; the 2024 margin was 19.9 points.
A population of 17,362, a 71% non-Hispanic-white share, and a median household income of $120,909 describe the city. The city's voting pattern over the last decade is most similar to that of Lake Ronkonkoma and Rocky Point.
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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Islip, New York. Akashic. https://akashic.app/city/3637869/. Accessed May 20, 2026. License: CC BY 4.0.