| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 36,739 | 72,801 | 110,875 | |
| 2020 | R | 33,888 | 67,010 | 102,371 | |
| 2016 | R | 24,734 | 54,754 | 82,567 | |
| 2012 | R | 26,076 | 49,299 | 76,365 | |
| 2008 | R | 27,318 | 45,148 | 73,162 | |
| 2004 | R | 18,065 | 38,675 | 56,973 | |
| 2000 | D | 29,853 | 15,434 | 45,586 | |
| 1996 | R | 13,102 | 21,163 | 37,409 | |
| 1992 | R | 13,263 | 19,411 | 38,980 | |
| 1988 | R | 10,530 | 21,536 | 32,135 | |
| 1984 | R | 9,999 | 23,641 | 33,704 | |
| 1980 | R | 12,067 | 14,926 | 27,794 | |
| 1976 | D | 13,295 | 11,573 | 25,131 | |
| 1972 | R | 5,088 | 16,736 | 22,682 | |
| 1968 | R | 4,878 | 10,557 | 24,456 | |
| 1964 | R | 11,231 | 12,892 | 24,123 | |
| 1960 | R | 8,973 | 12,085 | 21,058 | |
| 1956 | R | 7,286 | 11,125 | 18,411 | |
| 1952 | R | 8,580 | 11,804 | 20,384 | |
| 1948 | D | 5,761 | 4,441 | 12,136 | |
| 1944 | D | 8,358 | 4,864 | 13,222 | |
| 1940 | D | 10,328 | 3,820 | 14,148 | |
| 1936 | D | 11,308 | 3,817 | 15,125 | |
| 1932 | D | 8,367 | 3,583 | 12,005 | |
| 1928 | R | 4,836 | 6,712 | 11,548 | |
| 1924 | D | 6,449 | 3,565 | 10,150 | |
| 1920 | D | 6,470 | 4,402 | 10,872 | |
| 1916 | D | 3,335 | 2,073 | 5,408 | |
| 1912 | D | 2,528 | 392 | 3,969 | |
| 1908 | D | 2,465 | 1,803 | 4,274 | |
| 1904 | D | 2,126 | 1,510 | 3,676 | |
| 1900 | D | 2,523 | 2,044 | 4,645 | |
| 1896 | D | 2,958 | 2,003 | 4,976 | |
| 1892 | D | 2,282 | 1,524 | 4,494 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Iredell sits at the northern edge of the Charlotte metro, drawing steady population from the region's spillover growth while maintaining one of the wider Republican presidential margins among North Carolina's mid-sized counties.
The shift began with civil rights. 2004 marked the realignment in Iredell County, by a thirty-six points margin. The Republican margin reached its widest at fifty-one points in 1972. The 2024 margin was thirty-three points.
The political shift has tracked, in Iredell County, the political shift of the South more broadly. A 74% non-Hispanic-white share, a median household income of $81,419, and a 10% poverty rate describe the demographic context. The county's voting pattern over the last decade is most similar to that of Moore County and Catawba County.
