| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 17,099 | 18,606 | 36,075 | |
| 2020 | R | 17,642 | 17,699 | 36,149 | |
| 2016 | R | 13,091 | 15,751 | 31,408 | |
| 2012 | D | 14,806 | 14,119 | 29,578 | |
| 2008 | D | 16,281 | 15,429 | 32,245 | |
| 2004 | R | 13,405 | 16,969 | 31,059 | |
| 2000 | R | 12,193 | 14,993 | 28,621 | |
| 1996 | D | 11,603 | 11,152 | 26,791 | |
| 1992 | R | 9,820 | 12,260 | 28,767 | |
| 1988 | R | 8,580 | 15,860 | 24,622 | |
| 1984 | R | 5,886 | 17,616 | 23,568 | |
| 1980 | R | 6,971 | 13,264 | 22,377 | |
| 1976 | R | 7,264 | 14,548 | 21,912 | |
| 1972 | R | 5,760 | 16,649 | 22,465 | |
| 1968 | R | 6,460 | 12,963 | 20,280 | |
| 1964 | D | 12,772 | 7,834 | 20,620 | |
| 1960 | R | 7,328 | 14,433 | 21,778 | |
| 1956 | R | 3,897 | 17,852 | 21,749 | |
| 1952 | R | 5,051 | 17,046 | 22,131 | |
| 1948 | R | 5,486 | 12,884 | 18,703 | |
| 1944 | R | 6,716 | 12,144 | 18,897 | |
| 1940 | R | 7,226 | 13,657 | 20,923 | |
| 1936 | R | 6,807 | 12,873 | 19,871 | |
| 1932 | R | 6,661 | 11,585 | 18,392 | |
| 1928 | R | 6,793 | 11,697 | 18,519 | |
| 1924 | R | 3,663 | 9,627 | 14,168 | |
| 1920 | R | 3,227 | 9,009 | 12,555 | |
| 1916 | R | 2,825 | 4,880 | 7,939 | |
| 1912 | R | 2,802 | 3,155 | 7,968 | |
| 1908 | R | 3,019 | 4,800 | 8,190 | |
| 1904 | R | 2,756 | 4,943 | 8,041 | |
| 1900 | R | 2,540 | 4,829 | 7,610 | |
| 1896 | R | 2,269 | 4,685 | 7,152 | |
| 1892 | R | 2,655 | 3,647 | 6,802 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Warren County anchors the southern Adirondacks around Lake George, drawing a seasonal economy that blends year-round rural residents with a sizable tourism-dependent workforce. It shifted narrowly Republican in 2024 by 4.2 points.
The Democratic margin in Warren County has rarely exceeded twenty-four points in modern history; the Republican margin has rarely exceeded sixty-four points. 2024 delivered the county to the Republican candidate by four points.
Warren County's demographics resemble the country more than they resemble most counties. A 92% non-Hispanic-white share, a 11% poverty rate, and a median household income of $78,442 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Eaton County and Carroll County.