Elections / 1978 · House · IA-01
IA-01 — 1978 U.S. House election
congressional district1978 US House electionIA-01 · U.S. HouseLeachR+27.7
How it voted
Share of the 1978 vote
| Jim Leach ✓Republican | 63.5% | 79,940 |
|---|---|---|
| Richard E MyersDemocrat | 35.8% | 45,037 |
| William R DouglasIndependent | 0.8% | 978 |
D+60R+60
District boundary, filled by its own 1978 D-vs-R margin — precinct detail where available, over faint county context.
Margin history
IA-01 across every cycle on record. Each year links to its district page.
| Year | Won | Margin | Votes |
|---|---|---|---|
| 2024 | R | 414,078 | |
| 2022 | R | 305,380 | |
| 2020 | R | 413,869 | |
| 2018 | D | 334,243 | |
| 2016 | R | 384,977 | |
| 2014 | R | 289,306 | |
| 2012 | D | 390,849 | |
| 2010 | D | 210,902 | |
| 2008 | D | 289,430 | |
| 2006 | D | 207,478 | |
| 2004 | R | 290,054 | |
| 2002 | R | 196,455 | |
| 2000 | R | 266,990 | |
| 1998 | R | 188,132 | |
| 1996 | R | 244,596 | |
| 1994 | R | 183,461 | |
| 1992 | R | 259,642 | |
| 1990 | R | 90,193 | |
| 1988 | R | 185,716 | |
| 1986 | R | 130,825 | |
| 1984 | R | 196,475 | |
| 1982 | R | 151,342 | |
| 1980 | R | 208,111 | |
| 1978 | R | 125,955 | |
| 1976 | R | 211,204 |
Same ballot, 1978IA
Source. MIT Election Data + Science Lab — 1978 US House returns, party-classified by literal ballot party · district lines from the 2010-census apportionment. Real returns — nothing estimated.