| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 13,375 | 16,873 | 31,068 | |
| 2020 | R | 12,735 | 16,113 | 29,739 | |
| 2016 | R | 9,610 | 13,125 | 25,016 | |
| 2012 | R | 10,291 | 12,394 | 23,319 | |
| 2008 | D | 11,623 | 11,419 | 23,463 | |
| 2004 | R | 9,441 | 13,171 | 23,106 | |
| 2000 | R | 7,354 | 11,084 | 19,452 | |
| 1996 | R | 7,269 | 9,168 | 18,814 | |
| 1992 | R | 6,035 | 7,302 | 18,803 | |
| 1988 | R | 5,088 | 9,701 | 15,291 | |
| 1984 | R | 3,790 | 9,477 | 13,536 | |
| 1980 | R | 2,769 | 8,389 | 12,556 | |
| 1976 | R | 3,874 | 5,282 | 9,761 | |
| 1972 | R | 2,120 | 5,396 | 7,516 | |
| 1968 | R | 1,770 | 3,169 | 5,601 | |
| 1964 | D | 2,129 | 1,997 | 4,126 | |
| 1960 | R | 1,283 | 1,946 | 3,229 | |
| 1956 | R | 822 | 1,749 | 2,571 | |
| 1952 | R | 579 | 1,653 | 2,232 | |
| 1948 | R | 681 | 1,095 | 1,801 | |
| 1944 | R | 665 | 841 | 1,506 | |
| 1940 | D | 785 | 748 | 1,533 | |
| 1936 | D | 745 | 533 | 1,278 | |
| 1932 | D | 579 | 486 | 1,065 | |
| 1928 | R | 426 | 590 | 1,016 | |
| 1924 | D | 415 | 413 | 932 | |
| 1920 | R | 413 | 592 | 1,024 | |
| 1916 | D | 610 | 534 | 1,227 | |
| 1912 | D | 294 | 150 | 675 | |
| 1908 | R | 343 | 350 | 751 | |
| 1904 | R | 218 | 409 | 680 | |
| 1900 | D | 399 | 311 | 710 | |
| 1896 | D | 566 | 284 | 850 | |
| 1892 | R | 31 | 417 | 862 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Carson City functions as both an independent city and county, making it Nevada's only consolidated municipality of that type. Despite housing state government, it has trended Republican in recent cycles, posting an R+11.3 margin in 2024.
The county's recent history is a story of close margins. The Democratic margin reached thirty-three points in 1896; the Republican margin reached forty-eight points in 1952. Most other elections have been decided by single-digit points.
Carson City's demographics — a population of 58,384, a 68% non-Hispanic-white share, a median household income of $72,355 — situate the county close to national averages on several dimensions. The county's voting pattern over the last decade is most similar to that of Clinton County and Berrien County.
