🔓 Contribution limits are off in their race (self funding disclosure).
Campaign money
$857,081raised, 243 itemized contributions, plus $5,648 in small ones
$100,001from the candidate (incl. loans)
$124,795spent
$222,773cash on hand on June 30, 2026
$613,495 of it in 89 large contributions reported on A-1s since their last quarterly report (through June 30, 2026): $1,000 or more from one source must be reported within days, ahead of the next quarterly.
Illinois Senate Republican Campaign Committee $149,958 2026-09-22 · Illinois Republican Party $145,889 2026-10-07 · Illinois Senate Republican Campaign Committee $98,376 2026-10-07 · IBEW Illinois PAC $68,500 2026-07-15 · LIUNA Chicago Laborers District Council $25,000 2026-08-18 · Chicago Land Operators Joint Labor-Management PAC $19,700 2026-09-22 · Chicago J. Dineen Lodge 7 PAC $15,000 2026-09-22 · Associated Beer Distributors of Illinois PAC $5,000 2026-09-08 · Ryan Christensen $5,000 2026-08-18 · Eduardo Grecco $5,000 2026-08-18
Where their money comes from (besides their own)
13%29%46%
IndividualsBusinessesTrade, professional and issue groupsLabor unionsParties and legislative caucusesOther candidates and officeholders
Compare with all state candidates →
How it was spent: $124,795
Other (as described)$45,232
Contributions to other committees$21,525
Office, printing and supplies$20,147
Fundraising and events$20,070
Travel and meals$9,507
Staff pay$3,902
Donations and sponsorships$3,500
Postage and delivery$702
Legal, accounting and fees$211
Largest payees: PGA Tour Enterprises LLC $41,150 Fundraising and events · Carol Stream Properties, LLC $16,000 Office, printing and supplies · Saputo's Italian Restaurant $6,058 Travel and meals · Emirates Airlines $5,435 Other (as described) · Neighbors for Wayne Township $5,000 Contributions to other committees · Catering with Elegance $4,682 Fundraising and events · Bloomingdale Township Republican Org. $3,750 Donations and sponsorships · Elk Grove Township Republican CC $3,000 Contributions to other committees
Grouped by the purpose each payment lists (“direct mail”, “consulting”), so the groups are approximate; a consultant's payments to others (ads, mail) show under the consultant.
| Top contributors | Type | Total |
|---|
Illinois Senate Republican Campaign Committee
Springfield | Party | $149,958 |
Illinois Republican Party
Springfield | Business or group | $145,889.10 |
Illinois Senate Republican Campaign Committee
Springfield | Business or group | $98,376.26 |
Chicago Land Operators Joint Labor-Management PAC
Countryside | Committee | $90,700 |
IBEW Illinois PAC
Washington | Committee | $68,500 |
Fraternal Order of Police, Chicago Lodge No 7
Chicago | Committee | $30,000 |
LIUNA Chicago Laborers District Council
Burr Ridge | Committee | $30,000 |
Associated Beer Distributors of Illinois PAC
Springfield | Committee | $15,000 |
Chicago J. Dineen Lodge 7 PAC
Chicago | Committee | $15,000 |
Superior Ambulance Service, Inc
Elmhurst | Business or group | $13,422.49 |
Realtor Political Action Committee
Springfield | Committee | $11,000 |
Downstate Operators Joint Labor PAC
Springfield | Committee | $7,500 |
American Council of Engineering Companies PAC
Springfield | Committee | $5,000 |
Ryan Christensen
Claredon Hills | Person | $5,000 |
Eduardo Grecco
St. Charles | Person | $5,000 |
Committee: Citizens for Seth Lewis (every report they filed is on the State Board of Elections' site). Data current as of October 12, 2026.
Their home
$500,000 – $600,000estimated market value, latest assessment
$409,100median home value in DuPage County (Illinois: $280,700)
The DuPage County assessor's estimate of the market value of the home at the address Seth Lewis filed with the State Board of Elections, shown as a range; the address isn't published here. Assessments trail the market and can be appealed, so treat it as a rough figure. How this works. Medians: Census Bureau, American Community Survey 2024.