CO-04 — 2020 U.S. House election
Recent presidential results, current district lines
Akashiccongressional district2020 US House electionCO-04 · U.S. HouseBuckR+23.5
How it voted
Share of the 2020 vote
| Ken Buck (i) ✓Republican | 60.1% | 285,606 |
|---|---|---|
| Ike McCorkleDemocrat | 36.6% | 173,945 |
| Bruce GriffithIndependent | 2.3% | 11,026 |
D+60R+60
District boundary, filled by its own 2020 D-vs-R margin — precinct detail where available, over faint county context.
The boundary drawn is the current CO-04 (cd:120, the 2026 map); the 2020 election ran under that decade's own lines. The result shown is the certified 2020 contest.
Margin history
CO-04 across every cycle on record. Each year links to its district page.
| Year | Won | Margin | Votes |
|---|---|---|---|
| 2024 | R | 447,807 | |
| 2022 | R | 354,513 | |
| 2020 | R | 475,107 | |
| 2018 | R | 369,582 | |
| 2016 | R | 390,633 | |
| 2014 | R | 286,507 | |
| 2012 | R | 342,336 | |
| 2010 | R | 264,181 | |
| 2008 | D | 333,375 | |
| 2006 | R | 240,613 | |
| 2004 | R | 305,509 | |
| 2002 | R | 209,955 | |
| 2000 | R | 263,006 | |
| 1998 | R | 221,291 | |
| 1996 | R | 244,067 | |
| 1994 | R | 188,453 | |
| 1992 | R | 241,841 | |
| 1990 | R | 165,186 | |
| 1988 | R | 213,754 | |
| 1986 | R | 167,761 | |
| 1984 | R | 205,930 | |
| 1982 | R | 151,300 | |
| 1980 | R | 260,491 | |
| 1978 | R | 168,542 | |
| 1976 | R | 221,018 |
Same ballot, 2020CO
Source. MIT Election Data + Science Lab — 2020 US House returns, party-classified by literal ballot party · results as certified for the 2020 contest; the boundary drawn and the presidential strip use the current district map (cd:120, the 2026 lines) — the election itself ran under earlier lines. Real returns — nothing estimated.