| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 35,644 | 62,734 | 99,003 | |
| 2020 | R | 37,844 | 58,872 | 97,484 | |
| 2016 | R | 29,043 | 48,620 | 80,009 | |
| 2012 | R | 27,492 | 43,450 | 71,464 | |
| 2008 | R | 29,710 | 40,176 | 70,591 | |
| 2004 | R | 23,956 | 36,938 | 61,414 | |
| 2000 | R | 19,769 | 28,639 | 49,627 | |
| 1996 | R | 16,375 | 22,714 | 43,972 | |
| 1992 | R | 12,360 | 19,140 | 43,962 | |
| 1988 | R | 10,451 | 24,630 | 35,333 | |
| 1984 | R | 8,736 | 23,716 | 32,452 | |
| 1980 | R | 7,759 | 15,568 | 24,717 | |
| 1976 | R | 8,512 | 9,818 | 18,654 | |
| 1972 | R | 3,316 | 11,741 | 15,082 | |
| 1968 | R | 3,179 | 6,518 | 12,719 | |
| 1964 | R | 5,122 | 6,191 | 11,313 | |
| 1960 | R | 2,970 | 4,656 | 7,626 | |
| 1956 | R | 1,699 | 4,059 | 5,758 | |
| 1952 | R | 1,578 | 3,055 | 4,633 | |
| 1948 | R | 1,055 | 1,134 | 2,448 | |
| 1944 | D | 1,292 | 759 | 2,051 | |
| 1940 | D | 1,487 | 904 | 2,391 | |
| 1936 | D | 1,270 | 532 | 1,802 | |
| 1932 | D | 1,308 | 446 | 1,754 | |
| 1928 | R | 657 | 847 | 1,523 | |
| 1924 | — | — | — | — | |
| 1920 | — | — | — | — | |
| 1916 | — | — | — | — | |
| 1912 | — | — | — | — | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Indian River sits along Florida's Treasure Coast with a population just under 113,000, and its 2024 presidential margin of R+27.4 places it among the state's more reliably one-sided counties, driven largely by an older, predominantly white electorate.
The Republican margin in Indian River County reached its widest at fifty-six points in 1972. The margin in 2024 was twenty-seven points, in line with the county's deep historical pattern.
Indian River County's loyalty is rooted in its place. Median household income of $73,491, a 75% non-Hispanic-white share, and a population of 166,936 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 Lake County and Livingston County.
