| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 91,926 | 154,884 | 250,136 | |
| 2020 | R | 88,114 | 146,733 | 238,471 | |
| 2016 | R | 68,524 | 128,528 | 208,029 | |
| 2012 | R | 73,191 | 113,304 | 190,005 | |
| 2008 | R | 82,839 | 109,268 | 194,210 | |
| 2004 | R | 63,701 | 114,270 | 179,269 | |
| 2000 | R | 51,958 | 87,652 | 144,286 | |
| 1996 | R | 49,596 | 65,188 | 128,156 | |
| 1992 | R | 46,113 | 60,130 | 134,245 | |
| 1988 | R | 37,691 | 72,408 | 111,116 | |
| 1984 | R | 33,359 | 75,020 | 109,247 | |
| 1980 | R | 33,406 | 61,098 | 101,891 | |
| 1976 | R | 41,281 | 56,912 | 99,944 | |
| 1972 | R | 27,520 | 63,606 | 93,280 | |
| 1968 | R | 33,328 | 51,631 | 93,371 | |
| 1964 | D | 58,787 | 33,677 | 92,872 | |
| 1960 | R | 39,164 | 55,922 | 95,479 | |
| 1956 | R | 38,743 | 48,176 | 87,068 | |
| 1952 | R | 39,508 | 44,489 | 84,351 | |
| 1948 | D | 33,321 | 32,494 | 68,678 | |
| 1944 | D | 38,226 | 32,617 | 71,158 | |
| 1940 | D | 39,543 | 30,228 | 69,936 | |
| 1936 | D | 45,142 | 29,233 | 75,837 | |
| 1932 | D | 29,313 | 25,430 | 57,365 | |
| 1928 | R | 11,216 | 45,791 | 57,529 | |
| 1924 | R | 15,600 | 23,044 | 41,039 | |
| 1920 | R | 14,396 | 19,879 | 35,679 | |
| 1916 | D | 16,314 | 12,276 | 30,598 | |
| 1912 | D | 14,979 | 5,251 | 30,195 | |
| 1908 | D | 15,171 | 14,610 | 30,771 | |
| 1904 | R | 12,996 | 14,837 | 28,614 | |
| 1900 | D | 13,732 | 12,327 | 26,631 | |
| 1896 | D | 13,054 | 12,258 | 26,060 | |
| 1892 | D | 12,822 | 9,052 | 22,300 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
York County's blend of small industrial cities and rural townships has produced consistent double-digit Republican presidential margins for over two decades, with 2024's R+25.3 representing one of its widest recorded gaps.
The Republican margin in York County reached its widest at sixty points in 1928. The margin in 2024 was twenty-five points, in line with the county's deep historical pattern.
York County's loyalty is rooted in its place. Median household income of $84,829, a 81% non-Hispanic-white share, and a population of 462,924 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 Washington County and Montour County.
