| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | D | 11,762 | 5,244 | 17,545 | |
| 2020 | D | 12,620 | 5,319 | 18,465 | |
| 2016 | D | 9,557 | 5,100 | 16,174 | |
| 2012 | D | 9,347 | 5,571 | 15,312 | |
| 2008 | D | 9,802 | 4,883 | 14,899 | |
| 2004 | D | 8,144 | 5,370 | 13,735 | |
| 2000 | D | 5,304 | 4,497 | 11,068 | |
| 1996 | D | 3,970 | 3,261 | 8,419 | |
| 1992 | D | 3,344 | 2,256 | 8,370 | |
| 1988 | R | 2,595 | 2,893 | 5,624 | |
| 1984 | R | 1,588 | 3,253 | 4,918 | |
| 1980 | R | 1,285 | 2,027 | 4,355 | |
| 1976 | R | 1,087 | 1,826 | 3,140 | |
| 1972 | R | 707 | 1,082 | 1,833 | |
| 1968 | R | 301 | 536 | 934 | |
| 1964 | D | 483 | 344 | 828 | |
| 1960 | R | 400 | 424 | 827 | |
| 1956 | R | 235 | 429 | 664 | |
| 1952 | R | 271 | 442 | 714 | |
| 1948 | D | 378 | 292 | 675 | |
| 1944 | R | 237 | 326 | 566 | |
| 1940 | D | 540 | 479 | 1,024 | |
| 1936 | D | 496 | 268 | 769 | |
| 1932 | D | 397 | 224 | 644 | |
| 1928 | R | 306 | 362 | 681 | |
| 1924 | R | 241 | 354 | 745 | |
| 1920 | R | 388 | 418 | 830 | |
| 1916 | D | 717 | 268 | 1,020 | |
| 1912 | D | 600 | 179 | 965 | |
| 1908 | D | 743 | 366 | 1,144 | |
| 1904 | D | 569 | 561 | 1,165 | |
| 1900 | D | 967 | 394 | 1,378 | |
| 1896 | D | 1,243 | 28 | 1,273 | |
| 1892 | R | 0 | 279 | 1,090 | |
| 1888 | R | 557 | 701 | 1,260 | |
| 1884 | R | 556 | 609 | 1,173 | |
| 1880 | D | 1,328 | 1,289 | 2,641 | |
| 1876 | — | — | — | — |
Summit County's economy revolves around ski resorts and outdoor tourism, drawing a highly educated, transient workforce that has pushed its presidential margins well above the state's already-blue average — 37 points Democratic in 2024.
The Democratic margin in Summit County reached its widest at ninety-five points in 1896. The margin in 2024 was thirty-seven points — still decisive.
Summit County's loyalty is rooted in its place. Median household income of $109,773, a 77% non-Hispanic-white share, and a population of 31,017 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Douglas County and Hood River County.
