Iowa Congressional Delegation: Voting Records and Campaign Donors

31,049 donors · $46,632,829 · top recipient committees by dollars received: ActBlue ($6.2M), WinRed ($3.1M), Harris Victory Fund ($2.1M) · FEC data through Jun 26, 2026

Itemized federal contributions over $200 only.

Analysis

On the FEC record through June 26, 2026, 31,049 contributors with an address in Iowa on FEC filings account for $46,632,829 in itemized contributions over $200. The largest immediate recipient was ACTBLUE, which received $6,171,073, followed by WINRED at $3,097,007.

Congressional delegation

Sitting members representing Iowa

Member	Chamber	Party	District
Chuck Grassley	U.S. Senate	Republican	—
Joni Ernst	U.S. Senate	Republican	—
Mariannette Miller-Meeks	U.S. House	Republican	District 1
Ashley Hinson	U.S. House	Republican	District 2
Zach Nunn	U.S. House	Republican	District 3
Randy Feenstra	U.S. House	Republican	District 4

Leaderboard

By total itemized federal contributions

#	Contributor	City	Employer	Gifts	Total
1	Mauro, Eddie J.	Des Moines	Uig	183	$2,730,545
2	Iowa Values Inc.	Clive	—	6	$1,451,000
3	Mission Iowa	Ankeny	—	12	$1,375,000
4	Kumar, Shalabh	Bettendorf	Retired	51	$484,561
5	Carlin, James M.	Sioux City	Carlin Law	81	$479,824
6	Weitz, Fred	West Des Moines	Not Employed	234	$477,289
7	Denner, Keith	West Des Moines	Ppm	216	$468,785
8	Matteson, Larry	Burlington	Matteson Marine Service	656	$449,758
9	Stine, Warren	West Des Moines	Midwest Oilseeds	134	$379,625
10	Conlin, Roxanne	Des Moines	Conlin PC	284	$378,797
11	Rastetter, Bruce	Hubbard	Summit Agricultural Group	7	$371,000
12	Martin, Jo Sloan	Milford	Retired	215	$367,700
13	Zimpleman, Kathleen	Cumming	Not Employed	631	$353,200
14	Gleeson, John	Sioux City	Klinger Companies	79	$343,335
15	Kent, Gage	Muscatine	Kent Corporation	37	$335,400
16	Bookey, Harry	Des Moines	Bh Management	146	$332,325
17	Matteson, Lawrence	Burlington	Retired	303	$326,052
18	Kirke, Gerald	West Des Moines	Kirke Financial	105	$322,337
19	Hubbell, Fred	Des Moines	Not Employed	55	$308,200
20	McCord, Carlton	Coralville	Not Employed	231	$305,030
21	Rastetter, Bruce	Alden	Summit Agricultural Group	55	$287,747
22	Abel, Andrea	Des Moines	Retired	22	$285,504
23	Smith, John	Cedar Rapids	Crst International	44	$270,100
24	Knapp, William	West Des Moines	Knapp Properties	37	$260,300
25	Elwell, Dennis	Ankeny	Elwell Companies	56	$252,540
26	Hubbell, Charlotte	Des Moines	None	156	$246,338
27	Whipple, Keith	Cedar Rapids	Self	492	$239,420
28	Lamberti, Donald	Ankeny	Retired	73	$235,850
29	Holden, Ronald	Williamsburg	Retired	42	$229,400
30	Barker, David	Iowa City	Barker Financial	58	$223,573
31	Wenthe, Mark	Altoona	Retired	9,189	$216,366
32	Eskin, Sandra	Iowa City	Not Employed	298	$213,750
33	Tanner, Krista	Clive	Itc Holdings Corp.	228	$211,227
34	van Heukelom, John	Marion	Retired	1,238	$209,384
35	Sukup, Steve	Clear Lake	Sukup Mfg Company	47	$207,250
36	Thorland, Cynthia	Des Moines	Life Care Services	97	$203,750
37	Conner, Harry	Iowa City	Retired	224	$200,850
38	Weitz, Fred	Des Moines	Essex Meadows INC	99	$194,427
39	Rowley, Nicholas	Decorah	Self	40	$190,850
40	Hanson, David	Mason City	Retired	38	$176,650
41	Vander Haag, John	Sanborn	Retired	304	$176,313
42	de Yager, Peter	Hull	the Foreign Candy Company, INC.	111	$176,061
43	Croell, Kurt	Lawler	Croell INC.	47	$173,900
44	Riddle, Karen	Lake View	Not Employed	527	$172,201
45	Feldstein, Stuart	Bondurant	Albaugh, LLC	60	$168,200
46	Gross, Rex	Madrid	Chemorse	445	$165,986
47	Nelson, John P.	Council Bluffs	Silverstone Group	17	$164,650
48	Dean, James	Sioux Center	Versova Management Company	126	$151,994
49	Lloyd-Jones, Jean	Iowa City	None	393	$149,677
50	Brownell, Frank	Montezuma	Brownells	19	$148,900

Totals are itemized contributions on record; entries include individuals, committees, and conduit PACs, some of which redistribute funds downstream.

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