Roger W. Jepsen
Last held office: U.S. Senate, Iowa (1978–1984). Ran in 2 elections between 1978 and 1984, winning 1.
- Last margin
- −11.8
- Lost 1984
- Elections
- 2
- 1978–1984
Source: Wikidata, congress-legislators and Open States; 99chambers legislative records
Career
Offices held, and every time Jepsen was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Every race Jepsen has run
Baseline: how the seat voted for president in the same or nearest year. Running ahead of it means Jepsen won voters the party’s presidential nominee did not; primaries have no baseline.
| Year | Office | Stage | Result | Opponents | Share | Margin | Raised | Baseline | Against baseline |
|---|---|---|---|---|---|---|---|---|---|
| 1984 | U.S. Senate, Iowa | General | Lost | Tom Harkin (D), Garry De Young (I) | 43.7% | D+11.8 | $2.7M | R+7.4 | |
| 1978 | U.S. Senate, Iowa | General | Won | Dick Clark (D), Gerald Leo Baker (I), Ben L. Olson (L) | 51.1% | R+3.2 | — | R+1.0 |
Source: 99chambers results archive
Campaign money, 1983–84
- Raised
- $2.7M
- Spent
- $2.9M
- Cash
- $8K
Source: FEC filings through Dec 31, 1984Updated Nov 9, 2026, 3:00 AM ET
Seats Jepsen has held
- U.S. Senate, Iowa · 1978–1984
Source: 99chambers results archive
Who Jepsen has run against
- Tom Harkin (D) · 1984 election, lost
- Dick Clark (D) · 1978 election, won
Source: 99chambers results archive
How we know Jepsen
One person, matched across every source we use.
- FEC S8IA00039
Source: Identity links: Wikidata, congress-legislators, Open States, FEC