2026 general election
Illinois 12th District
The candidate who raised the most money won. · Incumbent re-elected.
$1.8M was spent on the 2026 Illinois 12th District race: $1.8M raised by the campaigns, $1.0M of it from PACs, plus $5K from outside groups (FEC filings through Oct 14, 2026). Mike Bost (Republican) won and was the top fundraiser.
Total money
$1.8M
Raised by campaigns
$1.8M
PAC checks
$1.0M
Outside money
$5K
Candidates
Raised by the campaign Outside money supportingOutside money attacking Democrat Republican Other
Mike BostRepublican, incumbent
✓ Won- Raised
- $1.6M
- Spent
- $1.1M
- From individuals
- $578K
- From PACs
- $1.0M
- From party
- $500
- Own money & loans
- $0
- Outside money for
- $5K
- Outside money against
- $0
Who paid: 64% of Bost's money came from PACs
Corporate $395K (41%)Trade group $303K (31%)Leadership PAC $15K (2%)Membership $100K (10%)Union $76K (8%)Super PAC $4K (0%)Other $74K (8%)
- Mortgage Bankers Association Trade group$15K
- National Cattlemen's Beef Association Trade group$15K
- American Association of Nurse Anesthetists Membership$13K
- Cme Group Inc. PAC Corporate$11K
- Ameren Corporation Corporate$10K
- Constellation Energy Corporation Corporate$10K
- Republican Governance Group/Tuesday Group PAC Other$10K
- The Boeing Company Corporate$10K
Biggest outside spenders
- Illinois Agricultural Association Activator Political Involvement Fund (Fed) 'Activator'/'Illinois F · $5K supporting
Julie FortierDemocrat
✗ Lost- Raised
- $162K
- Spent
- $128K
- From individuals
- $146K
- From PACs
- $12K
- From party
- $2K
- Own money & loans
- $0
- Outside money for
- $0
- Outside money against
- $0
Questions people ask
- How much money was spent on the 2026 Illinois 12th District race?
- $1.8M was spent on the 2026 Illinois 12th District race: $1.8M raised by the campaigns, $1.0M of it from PACs, plus $5K from outside groups (FEC filings through Oct 14, 2026). Mike Bost (Republican) won and was the top fundraiser.
- Who raised the most money in the 2026 Illinois 12th District race?
- Mike Bost (Republican) raised $1.6M and had $5K in outside spending on their side.
- Which outside groups spent the most on the 2026 Illinois 12th District race?
- Illinois Agricultural Association Activator Political Involvement Fund (Fed) 'Activator'/'Illinois F ($5K).
- Which PACs gave the most to candidates in the 2026 Illinois 12th District race?
- Mortgage Bankers Association Political Action Committee (Morpac) gave $15K to Mike Bost; National Cattlemen's Beef Association Political Action Committee (Ncba-PAC) gave $15K to Mike Bost; American Association of Nurse Anesthetists Separate Segregated Fund (Crna-PAC) gave $13K to Mike Bost.