| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 5,641 | 10,850 | 16,748 | |
| 2020 | R | 6,613 | 10,938 | 17,822 | |
| 2016 | R | 6,305 | 10,056 | 17,593 | |
| 2012 | D | 9,537 | 8,469 | 18,292 | |
| 2008 | D | 9,917 | 8,337 | 18,554 | |
| 2004 | D | 9,561 | 8,959 | 18,631 | |
| 2000 | D | 8,479 | 8,172 | 17,048 | |
| 1996 | D | 8,380 | 6,275 | 16,328 | |
| 1992 | D | 8,562 | 6,992 | 18,921 | |
| 1988 | D | 10,267 | 6,926 | 17,393 | |
| 1984 | D | 9,930 | 9,619 | 19,802 | |
| 1980 | R | 9,001 | 10,438 | 21,030 | |
| 1976 | D | 10,543 | 9,068 | 19,995 | |
| 1972 | R | 8,358 | 11,133 | 19,893 | |
| 1968 | R | 8,572 | 9,349 | 19,097 | |
| 1964 | D | 13,005 | 6,576 | 19,635 | |
| 1960 | R | 10,680 | 10,741 | 21,435 | |
| 1956 | R | 9,901 | 11,097 | 21,049 | |
| 1952 | R | 8,681 | 12,336 | 21,385 | |
| 1948 | D | 9,508 | 6,951 | 17,066 | |
| 1944 | D | 9,477 | 6,935 | 16,468 | |
| 1940 | D | 10,731 | 7,583 | 18,366 | |
| 1936 | D | 9,885 | 6,494 | 17,174 | |
| 1932 | D | 8,957 | 5,243 | 15,117 | |
| 1928 | R | 6,497 | 8,525 | 15,119 | |
| 1924 | R | 2,076 | 6,641 | 14,438 | |
| 1920 | R | 2,804 | 8,312 | 12,988 | |
| 1916 | R | 3,196 | 3,917 | 7,321 | |
| 1912 | D | 2,370 | 2,123 | 7,127 | |
| 1908 | R | 2,374 | 3,658 | 6,472 | |
| 1904 | R | 1,714 | 4,358 | 6,517 | |
| 1900 | R | 2,266 | 4,221 | 6,667 | |
| 1896 | R | 2,557 | 3,691 | 6,355 | |
| 1892 | R | 2,159 | 2,551 | 5,088 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Webster County's population clusters around Fort Dodge, a small industrial city whose blue-collar workforce has trended Republican by widening margins over the past four election cycles, reaching R+31 in 2024.
The Republican margin in Webster County reached its widest at forty-two points in 1920. The margin in 2024 was thirty-one points, in line with the county's deep historical pattern.
Webster County's loyalty is rooted in its place. Median household income of $68,975, a 86% non-Hispanic-white share, and a population of 36,886 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 Jasper County and Tama County.
