| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 15,673 | 30,705 | 47,097 | |
| 2020 | R | 17,286 | 31,025 | 49,287 | |
| 2016 | R | 14,163 | 28,907 | 45,807 | |
| 2012 | R | 16,208 | 25,092 | 42,087 | |
| 2008 | R | 19,282 | 23,692 | 43,622 | |
| 2004 | R | 15,788 | 25,372 | 41,483 | |
| 2000 | R | 14,126 | 21,361 | 36,240 | |
| 1996 | R | 15,366 | 15,844 | 34,930 | |
| 1992 | D | 16,592 | 14,936 | 36,929 | |
| 1988 | R | 14,815 | 17,356 | 32,445 | |
| 1984 | R | 13,347 | 19,495 | 33,086 | |
| 1980 | D | 14,902 | 14,643 | 30,717 | |
| 1976 | D | 14,114 | 12,826 | 27,454 | |
| 1972 | R | 8,168 | 17,234 | 26,256 | |
| 1968 | R | 9,947 | 10,111 | 25,142 | |
| 1964 | D | 15,253 | 8,350 | 23,755 | |
| 1960 | R | 9,846 | 13,385 | 23,231 | |
| 1956 | R | 6,674 | 11,491 | 18,373 | |
| 1952 | R | 7,522 | 10,462 | 18,010 | |
| 1948 | D | 8,682 | 4,873 | 13,727 | |
| 1944 | D | 8,143 | 6,135 | 14,355 | |
| 1940 | D | 9,344 | 5,633 | 15,026 | |
| 1936 | D | 9,957 | 4,636 | 15,347 | |
| 1932 | D | 10,527 | 5,059 | 15,685 | |
| 1928 | R | 7,332 | 8,896 | 16,243 | |
| 1924 | D | 8,116 | 7,270 | 15,578 | |
| 1920 | D | 9,669 | 7,584 | 17,359 | |
| 1916 | D | 5,396 | 4,078 | 9,573 | |
| 1912 | D | 4,314 | 1,506 | 7,742 | |
| 1908 | D | 5,218 | 3,922 | 9,324 | |
| 1904 | D | 4,754 | 3,381 | 8,383 | |
| 1900 | D | 4,910 | 3,738 | 8,870 | |
| 1896 | D | 4,952 | 3,105 | 8,328 | |
| 1892 | D | 3,431 | 1,638 | 6,744 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Home to Owensboro, Kentucky's fourth-largest city, Daviess County has shifted steadily toward Republican margins over the past two decades, posting a 31.9-point gap in 2024 despite its mid-size urban center.
The Republican margin in Daviess County reached its widest at thirty-five points in 1972. The margin in 2024 was thirty-two points, in line with the county's deep historical pattern.
Daviess County's loyalty is rooted in its place. Median household income of $68,214, a 86% non-Hispanic-white share, and a population of 103,648 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 Jefferson County and Mason County.
