| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 952 | 4,781 | 5,751 | |
| 2020 | R | 1,173 | 4,882 | 6,094 | |
| 2016 | R | 1,156 | 4,288 | 5,534 | |
| 2012 | R | 1,677 | 4,112 | 5,869 | |
| 2008 | R | 1,751 | 3,446 | 5,260 | |
| 2004 | R | 2,513 | 3,159 | 5,700 | |
| 2000 | D | 2,503 | 2,423 | 4,990 | |
| 1996 | D | 2,554 | 1,409 | 4,456 | |
| 1992 | D | 3,249 | 1,212 | 5,508 | |
| 1988 | D | 3,640 | 1,659 | 5,309 | |
| 1984 | D | 3,296 | 2,123 | 5,439 | |
| 1980 | D | 3,284 | 1,379 | 4,714 | |
| 1976 | D | 3,468 | 1,011 | 4,502 | |
| 1972 | R | 1,636 | 1,946 | 3,605 | |
| 1968 | D | 1,476 | 555 | 3,541 | |
| 1964 | D | 2,211 | 738 | 2,955 | |
| 1960 | D | 1,815 | 756 | 2,590 | |
| 1956 | D | 1,037 | 1,030 | 2,076 | |
| 1952 | D | 1,630 | 917 | 2,548 | |
| 1948 | D | 957 | 110 | 1,399 | |
| 1944 | D | 910 | 187 | 1,224 | |
| 1940 | D | 1,940 | 174 | 2,116 | |
| 1936 | D | 1,111 | 93 | 1,206 | |
| 1932 | D | 1,586 | 46 | 1,635 | |
| 1928 | D | 564 | 397 | 962 | |
| 1924 | D | 782 | 145 | 948 | |
| 1920 | D | 420 | 58 | 668 | |
| 1916 | D | 493 | 34 | 558 | |
| 1912 | D | 278 | 11 | 353 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Newton County sits in the forested far east of Texas, where Republican presidential margins have held above 60 points for over a decade, reflecting a rural, majority-white electorate with limited population churn.
The unraveling was not abrupt. The Democratic margin in Newton County peaked at ninety-four points in 1932; it narrowed steadily over the late twentieth century. The 2004 election delivered the county to the Republican party for the first time in many years, by a margin of eleven points. By 2024, the margin had widened further.
The economic and demographic context is severe. Newton County's median household income of $42,618 is among the lowest of any county in the United States; 19% of residents live below the federal poverty line. The county's voting pattern over the last decade is most similar to that of Robertson County and Hughes County.