U.S. Senate · Iowa
Sen. Chuck Grassley (R)
Represents Iowa, in office since Jan. 3, 2023. Official site
$9.61spent by the campaign for every vote cast in the 2022 general election
- This race$9.61
- Opponent$9.38
- IA average$13.86
- Senate average$13.91
Ranks 40 of 96 senators (1 = most spent per vote).
The 2022 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| Chuck Grassley (R), won | 681,501 (56.0%) | $11,696,416 | $9.61 |
| Michael Franken (D) | 533,330 (43.8%) | $11,417,544 | $9.38 |
Total votes cast: 1,216,646. “Per vote cast” is the campaign’s total spending for that election divided by all votes cast in the race.
Tracked issue money in 2026
None of the groups tracked on our issue pages have reported money for or against Sen. Chuck Grassley this cycle.
IA’s other senator
Results: state-certified totals (sources in How this works). Spending: FEC candidate totals for the 2022 election (as of Oct. 6, 2026). How this is calculated.