| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 32,683 | 32,783 | 67,194 | |
| 2020 | D | 35,017 | 34,581 | 71,448 | |
| 2016 | R | 27,207 | 30,711 | 63,210 | |
| 2012 | R | 26,711 | 28,757 | 57,063 | |
| 2008 | D | 37,781 | 29,822 | 68,436 | |
| 2004 | R | 20,818 | 30,897 | 52,360 | |
| 2000 | R | 18,220 | 26,106 | 46,295 | |
| 1996 | R | 17,232 | 22,556 | 45,586 | |
| 1992 | R | 17,343 | 23,050 | 50,334 | |
| 1988 | R | 16,256 | 27,897 | 44,364 | |
| 1984 | R | 15,789 | 29,706 | 45,876 | |
| 1980 | R | 14,636 | 27,589 | 48,470 | |
| 1976 | R | 17,850 | 29,186 | 47,587 | |
| 1972 | R | 14,598 | 31,565 | 46,366 | |
| 1968 | R | 14,528 | 24,352 | 40,968 | |
| 1964 | D | 20,257 | 19,036 | 39,372 | |
| 1960 | R | 14,041 | 24,572 | 38,668 | |
| 1956 | R | 9,995 | 23,776 | 33,843 | |
| 1952 | R | 9,678 | 23,447 | 33,246 | |
| 1948 | R | 10,825 | 17,034 | 28,107 | |
| 1944 | R | 10,229 | 15,888 | 26,212 | |
| 1940 | R | 12,129 | 16,148 | 28,350 | |
| 1936 | R | 12,732 | 13,081 | 26,122 | |
| 1932 | D | 13,609 | 11,818 | 25,663 | |
| 1928 | R | 8,720 | 15,165 | 23,978 | |
| 1924 | R | 7,619 | 12,161 | 20,823 | |
| 1920 | R | 7,562 | 12,730 | 20,639 | |
| 1916 | R | 4,918 | 6,386 | 11,669 | |
| 1912 | D | 4,442 | 3,006 | 10,542 | |
| 1908 | R | 4,984 | 6,164 | 11,539 | |
| 1904 | R | 4,031 | 6,581 | 11,000 | |
| 1900 | R | 4,673 | 6,317 | 11,222 | |
| 1896 | R | 4,639 | 6,239 | 10,989 | |
| 1892 | R | 4,386 | 4,856 | 9,503 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
A Big Ten university city anchors this Lafayette-area county, keeping it among Indiana's most competitive. In 2024 the presidential margin was virtually zero, a stark contrast to most of the state's decisive Republican edges.
The county's recent history is a story of close margins. The Democratic margin reached fourteen points in 1912; the Republican margin reached forty-one points in 1952. Most other elections have been decided by single-digit points.
Tippecanoe County's demographics — a population of 189,071, a 74% non-Hispanic-white share, a median household income of $60,636 — situate the county close to national averages on several dimensions. The county's voting pattern over the last decade is most similar to that of Kendall County and McHenry County.
