| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 8,248 | 25,104 | 33,586 | |
| 2020 | R | 8,914 | 23,836 | 33,042 | |
| 2016 | R | 7,601 | 20,368 | 28,707 | |
| 2012 | R | 8,462 | 18,429 | 27,163 | |
| 2008 | R | 9,171 | 18,670 | 28,128 | |
| 2004 | R | 8,031 | 16,758 | 24,991 | |
| 2000 | R | 7,049 | 10,968 | 18,514 | |
| 1996 | R | 6,691 | 7,588 | 16,326 | |
| 1992 | R | 5,528 | 6,492 | 14,954 | |
| 1988 | R | 4,073 | 7,761 | 11,916 | |
| 1984 | R | 4,261 | 8,814 | 13,075 | |
| 1980 | D | 5,680 | 5,643 | 11,648 | |
| 1976 | D | 6,683 | 3,947 | 10,766 | |
| 1972 | R | 1,664 | 6,723 | 8,387 | |
| 1968 | D | 1,750 | 1,553 | 7,349 | |
| 1964 | R | 3,249 | 4,145 | 7,394 | |
| 1960 | D | 3,695 | 2,094 | 5,789 | |
| 1956 | D | 3,246 | 1,841 | 5,087 | |
| 1952 | D | 3,229 | 2,041 | 5,270 | |
| 1948 | D | 1,797 | 553 | 3,332 | |
| 1944 | D | 2,467 | 537 | 3,004 | |
| 1940 | D | 2,888 | 443 | 3,331 | |
| 1936 | D | 2,783 | 196 | 2,979 | |
| 1932 | D | 2,497 | 174 | 2,671 | |
| 1928 | D | 1,276 | 418 | 1,716 | |
| 1924 | D | 776 | 85 | 951 | |
| 1920 | D | 1,248 | 162 | 1,543 | |
| 1916 | D | 861 | 226 | 1,186 | |
| 1912 | D | 520 | 66 | 670 | |
| 1908 | D | 465 | 279 | 892 | |
| 1904 | D | 595 | 317 | 988 | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | D | 1,051 | 963 | 2,014 | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Columbia County, anchored by Lake City in north-central Florida, has shifted toward supermajority Republican margins over the past decade, reflecting a broader realignment across the rural South that has reshaped the state's electoral map.
The Democratic margin in Columbia County peaked at eighty-seven points in 1932. By 1984 the county had flipped, voting Republican for the first time in many years. The 2024 margin was fifty points, the most Republican-leaning result in the county's modern history.
The economic context is the key. Columbia County's median household income of $59,205 sits well below state and national norms, and 17% of residents live below the federal poverty line. The shift here is part of a broader realignment of working-class places across the country. The county's voting pattern over the last decade is most similar to that of Union County and Murray County.