Federal race · 2022

Iowa U.S. Senate, 2022

General election: November 8, 2022

Money raised

  1. Michael T Franken (D)$11M raised · $51K on hand
  2. Charles E Grassley (R)$9.5M raised · $441K on hand
  3. Abby Finkenauer (D)$4.2M raised · $18K on hand
  4. James M. Carlin (R)$584K raised · $16 on hand
  5. Glenn Hurst (D)$135K raised · $29K on hand
  6. Dave Muhlbauer (D)$91K raised · $10K on hand

Raised Cash on hand · bars are blue for Democrats, red for Republicans, gray for others

Candidates

CandidateStatusRaisedSpentCash on handThrough
Michael T Franken (D)Lost the general election (43.84%)$11,468,780.34$11,417,544.47$51,235.872022-12-31
Charles E Grassley (R)Won the general election (56.01%)$9,533,640.63$10,930,808.73$441,423.882022-12-31
Abby Finkenauer (D)Lost primary$4,204,897.71$4,186,966.69$17,931.022022-12-31
James M. Carlin (R)Lost primary$583,857.35$583,841.69$15.662022-12-31
Glenn Hurst (D)Lost primary$134,843.25$105,982.24$28,626.412022-12-31
Dave Muhlbauer (D)Withdrawn$90,807.04$78,411.58$10,368.742022-12-31

Totals from the FEC candidate summary file, retrieved October 23, 2026. A dated snapshot, not live reporting; each candidate’s FEC page is the official source.

Total spent on this race

$29,247,455.26 = candidates’ own spending $26,672,196.42 + outside spending $2,575,258.84

CandidateOutside spending forAgainstElectioneering and member messages
Charles E Grassley$2,373,207.09$147,112.39$27,179.27
Glenn Hurst$21,587.16$0.00$0.00
Michael T Franken$3,549.98$0.00$2,622.95

Candidates’ own spending is their committees’ disbursements less transfers to other committees, contributions to others, loan repayments and refunds (FEC committee summary). Outside spending is independent expenditures, electioneering communications and company or union member communications for or against these candidates (FEC totals by candidate from regular reports, retrieved October 24, 2026; the latest 24- and 48-hour notices are not included yet). Party coordinated spending is not split by race and is not included. All the money

Polling and ratings

Race ratings

Recent polls

Polling average: Chuck Grassley 52.4% · Michael Franken 42.5% (Grassley +9.9). Averages listed on Wikipedia from FiveThirtyEight, 270towin.

PollsterDatesSampleMargin of errorResults
Selzer & Co.October 31 – November 3, 2022801 (LV)± 3.5%Chuck Grassley 53% · Michael Franken 41%
Cygnal (R)October 26–27, 2022600 (LV)± 4.0%Chuck Grassley 54% · Michael Franken 43%
CiviqsOctober 22–25, 2022623 (LV)± 5.2%Chuck Grassley 52% · Michael Franken 44%
The Tarrance Group (R)October 15–19, 2022600 (LV)± 4.1%Chuck Grassley 53% · Michael Franken 42%
Change Research (D)October 14–18, 20221,008 (LV)± 3.3%Chuck Grassley 48% · Michael Franken 45%
Selzer & Co.October 9–12, 2022620 (LV)± 3.9%Chuck Grassley 46% · Michael Franken 43%

Ratings and polls as listed on Wikipedia: 2022 United States Senate election in Iowa (retrieved October 23, 2026), licensed CC BY-SA 4.0. TerraCivic does not rate races or compute its own average.

Results

CandidatePartyVotesShare
Chuck GrassleyRepublican Party681,50156.01%
Michael FrankenDemocratic Party533,33043.84%

As listed on Wikipedia; official results come from the state election office.

TerraCivic shows public filings without scores, grades or judgments about any candidate.

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