U.S. House · IL-12
Rep. Mike Bost (R)
Represents Illinois’s 12th District, in office since Jan. 3, 2025. Official site
$8.69spent by the campaign for every vote cast in the 2024 general election
- This race$8.69
- IL average$7.05
- House average$8.15
Ranks 117 of 404 House members (1 = most spent per vote).
The 2024 race
| Candidate | Votes | Campaign spent | Per vote cast |
|---|---|---|---|
| Mike Bost (R), won | 272,754 (74.2%) | $3,195,231 | $8.69 |
| Brian Roberts (D) | 94,875 (25.8%) | No FEC report found | Not reported |
Total votes cast: 367,629. “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
| Issue | Groups | Given | Bundled | Spent for | Spent against |
|---|---|---|---|---|---|
| HousingReal estate and home building | Realtors PAC (RPAC), NAHB BUILD-PAC | $17,000 | $0 | $0 | $0 |
| Health care costsHospitals, doctors and drugmakers | AHA PAC | $1,000 | $0 | $0 | $0 |
| AI & data centersAI and tech company PACs | Microsoft PAC, Amazon PAC | $3,500 | $0 | $0 | $0 |
| GunsGun rights | NRA-PVF | $2,000 | $0 | $0 | $0 |
| Energy & climateOil and gas industry | Chevron PAC | $1,000 | $0 | $0 | $0 |
| IsraelAIPAC and allied groups | AIPAC PAC | $9,993 | $39,923 | $0 | $0 |
| DefenseDefense contractors | General Dynamics PAC, Boeing PAC | $15,500 | $0 | $0 | $0 |
Results: MIT Election Data + Science Lab. Spending: FEC candidate totals for the 2024 election (as of Oct. 6, 2026). How this is calculated.