| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 5,952 | 25,241 | 31,323 | |
| 2020 | R | 5,785 | 23,302 | 29,334 | |
| 2016 | R | 4,862 | 18,892 | 24,267 | |
| 2012 | R | 5,202 | 17,323 | 22,746 | |
| 2008 | R | 5,991 | 15,448 | 21,626 | |
| 2004 | R | 6,780 | 14,821 | 21,691 | |
| 2000 | R | 7,311 | 12,458 | 20,077 | |
| 1996 | R | 6,877 | 7,784 | 16,773 | |
| 1992 | D | 7,036 | 6,959 | 18,339 | |
| 1988 | R | 8,343 | 8,524 | 16,973 | |
| 1984 | R | 6,292 | 10,504 | 16,866 | |
| 1980 | D | 6,810 | 6,470 | 13,561 | |
| 1976 | D | 7,086 | 4,552 | 11,704 | |
| 1972 | R | 3,311 | 6,111 | 9,432 | |
| 1968 | D | 3,469 | 2,746 | 9,608 | |
| 1964 | D | 5,357 | 2,884 | 8,257 | |
| 1960 | D | 3,902 | 3,361 | 7,345 | |
| 1956 | R | 2,318 | 4,129 | 6,503 | |
| 1952 | R | 3,632 | 4,106 | 7,746 | |
| 1948 | D | 2,199 | 735 | 3,917 | |
| 1944 | D | 2,561 | 336 | 3,455 | |
| 1940 | D | 3,458 | 497 | 3,966 | |
| 1936 | D | 2,813 | 244 | 3,068 | |
| 1932 | D | 2,527 | 247 | 2,796 | |
| 1928 | R | 918 | 1,070 | 1,995 | |
| 1924 | D | 1,506 | 639 | 2,189 | |
| 1920 | — | 0 | 0 | 0 | |
| 1916 | D | 704 | 235 | 1,025 | |
| 1912 | D | 584 | 81 | 853 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Liberty County, anchored by its small county-seat town along the Trinity River, has delivered Republican presidential margins exceeding 60 points, reflecting the deep-red realignment that has reshaped rural and exurban southeast Texas over the past two decades.
The shift began with civil rights. 1996 marked the realignment in Liberty County, by a five points margin. The Republican margin reached its widest at sixty-two points in 2024. The 2024 margin was sixty-two points.
The political shift has tracked, in Liberty County, the political shift of the South more broadly. A 57% non-Hispanic-white share, a median household income of $68,703, and a 19% poverty rate describe the demographic context. The county's voting pattern over the last decade is most similar to that of Washita County and Lamar County.
