Iowa 1st District

Lean D Cook Political Report, as of October 16, 2026

Incumbent: Mariannette Miller-Meeks (R). Data pulled from the FEC on October 20, 2026.

Campaigns through 2026-09-30Outside money through 2026-10-18Source: FEC

4.3 to 1 outside money
helping Christina Bohannan

The short version

Christina Bohannan has raised $9.5M to Mariannette Miller-Meeks's $8.9M (1.1x), through September 30, 2026.
Outside groups have reported $9.0M in general election spending: $7.3M helping the Democrat and $1.7M helping the Republican.
Largest outside spender: SD 2026, $1.6M opposing Mariannette Miller-Meeks.

Campaign money
Outside spending
Where it came from
Top PAC donors

Campaign money

D Democrat

Christina Bohannan

Raised: $9.5M
Spent: $6.6M
Cash on hand: $3.0M
From PACs: $685K
From individuals: $7.8M
Self funding: $7K
Outside money for (general): $7.3M

Campaign totals through September 30, 2026.

R Republican

Mariannette Miller-Meeks

Raised: $8.9M
Spent: $6.7M
Cash on hand: $2.6M
From PACs: $2.8M
From individuals: $4.0M
Self funding: $0
Outside money for (general): $1.7M

Campaign totals through September 30, 2026.

Outside spending

$9.0MGeneral election independent expenditures in this raceFEC 24 and 48 hour notices, through October 18, 2026

$7.3MSpent to help Christina Bohannan in the general (supporting them or opposing their opponent)

$1.7MSpent to help Mariannette Miller-Meeks in the general (supporting them or opposing their opponent)

Not included above: $100K in outside spending that filers reported for the primary, a runoff, or no specific election, involving these two nominees.

Biggest outside spenders, general election

Spender	Position	Amount	FEC ID
SD 2026	Oppose Mariannette Miller-Meeks	$1.6M	C00935015
Everytown for Gun Safety Victory Fund (Everytown Victory Fund)	Support Christina Bohannan	$1.5M	C00688655
314 Action Fund	Oppose Mariannette Miller-Meeks	$1.0M	C00633248
AB PAC	Oppose Mariannette Miller-Meeks	$940K	C00492140
LCV Victory Fund	Oppose Mariannette Miller-Meeks	$519K	C00486845
Americans for Prosperity Action, Inc. (AFP Action) dba CVA Action and dba Libre Action	Support Mariannette Miller-Meeks	$370K	C00687103
One for All Committee	Support Christina Bohannan	$362K	C00752691
No Going Back PAC Inc.	Oppose Christina Bohannan	$316K	C00960435
American Association of Nurse Anesthetists Separate Segregated Fund (Crna-PAC)	Support Christina Bohannan	$285K	C00173153
America PAC	Oppose Christina Bohannan	$283K	C00879510
NRDC Action Votes	Oppose Mariannette Miller-Meeks	$200K	C00740225
HMP	Oppose Mariannette Miller-Meeks	$199K	C00495028
Center Forward Initiative Inc (Cfi)	Support Mariannette Miller-Meeks	$182K	C00875450
Americans for Prosperity Action, Inc. (AFP Action) dba CVA Action and dba Libre Action	Oppose Christina Bohannan	$149K	C00687103
Cffe PAC	Support Christina Bohannan	$148K	C00744920

Where the outside money came from

For the biggest spenders, the money is followed upstream while a single donor supplied at least half of it. From FEC receipts.

Everytown for Gun Safety Victory Fund (Everytown Victory Fund) ← $7.0M from Everytown for Gun Safety Action Fund Inc (68% of its reported receipts) No donor disclosure
LCV Victory Fund ← $18.0M from League of Conservation Voters, Inc. (58% of its reported receipts) No donor disclosure

The Gap

These totals come from the 24 and 48 hour notices outside groups must file before ads run. They are the disclosed floor. Spending by groups that do not file independent expenditure notices, such as issue ads paid for by 501(c)(4) groups, does not appear here.

Top PAC donors to each campaign

D Christina Bohannan

PAC	Given	Checks
American Optometric Association PAC	$10K	2
EMILY's List	$10K	2
Innovation for Good PAC	$10K	2
Ca Luv PAC (California Leadership United for Victory PAC)	$10K	2
New Democrat Coalition Action Fund	$10K	3
HMP Contribution Account	$10K	2
Flip the Congress PAC	$10K	3
American Association of Nurse Anesthetists	$10K	2
No Surrender Fund	$10K	2
Jobs, Education, & Families First Jeff PAC	$10K	2

Itemized PAC contributions processed by the FEC through June 30, 2026. 128 PACs in total.

R Mariannette Miller-Meeks

PAC	Given	Checks
Grow the Majority	$138K	2
American Osteopathic Information Association - Osteopathic Political Action Committee	$10K	5
American Institute of Certified Public Accountants PAC	$10K	4
America's First PAC	$10K	3
Vertex Pharmaceuticals Incorporated PAC	$10K	4
Mr PAC	$10K	3
Engineers Political Education Committee (EPEC)/International Union of Operating Engineers	$10K	2
National Rural Electric Cooperative Association America's Electric Cooperatives PAC	$10K	2
American Academy of Ophthalmology Inc Political Committee (Ophthpac)	$10K	2
Upper Hand Fund	$10K	5

Itemized PAC contributions processed by the FEC through June 30, 2026. 584 PACs in total.

Next raceWashington 3rd District →

Primary Sources

FEC candidate page, Christina Bohannan: fec.gov/data/candidate/H2IA02111
FEC committee filings, Christina Bohannan principal campaign committee: C00787820
FEC candidate page, Mariannette Miller-Meeks: fec.gov/data/candidate/H8IA02043
FEC committee filings, Mariannette Miller-Meeks principal campaign committee: C00558825
FEC independent expenditures, 2026 cycle: fec.gov independent expenditures
Race rating: Cook Political Report, October 16, 2026
Nominees: www.iowapublicradio.org