| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,775 | 3,245 | 6,074 | |
| 2020 | R | 3,038 | 3,075 | 6,178 | |
| 2016 | R | 2,542 | 2,657 | 5,372 | |
| 2012 | D | 3,016 | 2,602 | 5,675 | |
| 2008 | D | 2,934 | 2,379 | 5,364 | |
| 2004 | R | 2,007 | 2,304 | 4,344 | |
| 2000 | R | 1,750 | 1,995 | 3,831 | |
| 1996 | D | 1,668 | 1,627 | 3,533 | |
| 1992 | R | 1,583 | 1,897 | 3,904 | |
| 1988 | R | 1,294 | 2,038 | 3,365 | |
| 1984 | R | 1,300 | 2,120 | 3,440 | |
| 1980 | R | 1,280 | 1,581 | 2,987 | |
| 1976 | R | 1,306 | 1,380 | 2,730 | |
| 1972 | R | 808 | 1,482 | 2,368 | |
| 1968 | D | 897 | 791 | 2,164 | |
| 1964 | R | 760 | 789 | 1,550 | |
| 1960 | R | 509 | 606 | 1,117 | |
| 1956 | R | 328 | 597 | 1,076 | |
| 1952 | R | 545 | 610 | 1,163 | |
| 1948 | D | 329 | 221 | 651 | |
| 1944 | D | 508 | 179 | 689 | |
| 1940 | D | 547 | 145 | 693 | |
| 1936 | D | 527 | 116 | 645 | |
| 1932 | D | 420 | 101 | 524 | |
| 1928 | D | 321 | 195 | 516 | |
| 1924 | D | 315 | 60 | 384 | |
| 1920 | D | 319 | 101 | 420 | |
| 1916 | D | 302 | 77 | 379 | |
| 1912 | D | 278 | 72 | 361 | |
| 1908 | D | 364 | 123 | 487 | |
| 1904 | R | 430 | 513 | 944 | |
| 1900 | D | 731 | 590 | 1,322 | |
| 1896 | D | 924 | 669 | 1,597 | |
| 1892 | R | 890 | 903 | 1,848 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Essex County's roughly 10,000 residents occupy a rural stretch of the Northern Neck region, where presidential margins have historically run double digits but compressed noticeably by the mid-2020s.
The Democratic margin in Essex County has rarely exceeded sixty-six points in modern history; the Republican margin has rarely exceeded twenty-eight points. 2024 delivered the county to the Republican candidate by eight points.
Essex County's demographics resemble the country more than they resemble most counties. A 55% non-Hispanic-white share, a 12% poverty rate, and a median household income of $56,520 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Eaton County and Porter County.
