| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 786 | 5,042 | 5,909 | |
| 2020 | R | 786 | 5,090 | 6,010 | |
| 2016 | R | 641 | 4,695 | 5,652 | |
| 2012 | R | 1,083 | 4,296 | 5,498 | |
| 2008 | R | 1,192 | 4,301 | 5,578 | |
| 2004 | R | 1,040 | 4,518 | 5,612 | |
| 2000 | R | 976 | 4,245 | 5,414 | |
| 1996 | R | 1,293 | 3,453 | 5,383 | |
| 1992 | R | 1,126 | 3,180 | 5,820 | |
| 1988 | R | 1,496 | 4,203 | 5,726 | |
| 1984 | R | 1,090 | 4,749 | 5,867 | |
| 1980 | R | 1,011 | 4,563 | 5,934 | |
| 1976 | R | 1,985 | 3,935 | 6,175 | |
| 1972 | R | 1,147 | 4,836 | 5,983 | |
| 1968 | R | 1,407 | 4,325 | 6,133 | |
| 1964 | R | 3,475 | 3,916 | 7,391 | |
| 1960 | R | 2,350 | 5,716 | 8,066 | |
| 1956 | R | 2,425 | 5,798 | 8,223 | |
| 1952 | R | 2,113 | 7,143 | 9,256 | |
| 1948 | R | 3,356 | 4,057 | 7,413 | |
| 1944 | R | 3,321 | 5,330 | 8,651 | |
| 1940 | R | 4,238 | 6,269 | 10,507 | |
| 1936 | D | 5,907 | 5,250 | 11,495 | |
| 1932 | D | 6,844 | 3,953 | 11,086 | |
| 1928 | R | 2,506 | 8,379 | 10,967 | |
| 1924 | R | 2,575 | 3,833 | 9,595 | |
| 1920 | R | 2,739 | 4,974 | 8,387 | |
| 1916 | D | 3,609 | 2,047 | 5,978 | |
| 1912 | D | 2,395 | 1,051 | 5,776 | |
| 1908 | D | 2,898 | 2,788 | 5,931 | |
| 1904 | R | 509 | 2,658 | 4,459 | |
| 1900 | D | 2,159 | 2,145 | 4,541 | |
| 1896 | D | 2,494 | 1,484 | 4,051 | |
| 1892 | D | 1,810 | 263 | 4,384 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Custer County's sprawling ranch and farmland geography anchors an electorate that delivered a 72-point Republican margin in 2024, among the most lopsided results of any Nebraska county that cycle.
The Republican margin in Custer County reached its widest at seventy-two points in 2024. The margin in 2024 was seventy-two points, in line with the county's deep historical pattern.
Custer County's loyalty is rooted in its place. Median household income of $67,906, a 92% non-Hispanic-white share, and a population of 10,518 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 Holt County and Casey County.
