🔓 Contribution limits are off in their race (self funding disclosure).
Campaign money
$16,476,430raised, 906 itemized contributions, plus $5,943 in small ones
$106,254from the candidate (incl. loans)
$4,413,819spent
$19,917,425cash on hand on June 30, 2026
$6,055,370 of it in 309 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.
LiUNA Chicago Laborers' District Council PAC $630,000 2026-08-05 · Chicagoland Operators Joint Labor-Management PAC $500,000 2026-08-05 · Carpentry Advancement Political Action Committee Fund $452,500 2026-10-09 · Illinois Laborers' Legislative Committee $400,000 2026-09-09 · Engineers Political Education Committee $357,500 2026-10-06 · Illinois Federation of Teachers COPE $202,000 2026-09-17 · Health Care Council of Illinois Political Action Committee $175,000 2026-09-17 · Affordable Assisted Living Coalition PAC $150,000 2026-10-09 · Downstate Illinois Laborers' District Council PAC Fund $100,000 2026-09-09 · Illinois Pipe Trades PEF $100,000 2026-09-17
Where their money comes from (besides their own)
25%29%45%
IndividualsBusinessesTrade, professional and issue groupsLabor unionsParties and legislative caucusesOther candidates and officeholders
Plus $106,254 of their own money and from their other committees. Compare with all state candidates →
How it was spent: $4,413,819
Contributions to other committees$2,575,685
Donations and sponsorships$368,067
Staff pay$286,072
Consultants and field$251,723
Other (as described)$249,963
Office, printing and supplies$186,445
Refunds$122,700
Travel and meals$119,373
Polling$82,315
Legal, accounting and fees$61,041
Largest payees: ISDF $2,000,000 Contributions to other committees · Citizens for Karina Villa $225,000 Contributions to other committees · Preckwinkle for President $103,000 Contributions to other committees · James M. Sweeney Golf Classic $100,000 Donations and sponsorships · Donald F Harmon $100,000 Refunds · Greenhouse Management $95,341 Office, printing and supplies · New Chicago Consulting, LLC $94,800 Consultants and field · Professional Circulation Inc. $85,000 Consultants and field
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 |
|---|
Chicago Land Operators Joint Labor Management PAC Countryside | Committee | $2,010,000 |
Chicagoland Operators Joint Labor-Management PAC Countryside | Committee | $1,500,000 |
LIUNA Chicago Laborers' District Council PAC Burr Ridge | Committee | $735,000 |
Carpentry Advancement Political Action Committee Fund Chicago | Committee | $702,500 |
LiUNA Chicago Laborers' District Council PAC Burr Ridge | Committee | $630,000 |
Engineers Political Education Committee Washington | Committee | $557,500 |
United Association of Journeymen & IL Pipe Trades Association PAC Springfield | Committee | $500,000 |
Illinois Laborers' Legislative Committee Springfield | Committee | $410,000 |
Illinois Federation of Teachers COPE Westmont | Committee | $362,000 |
Affordable Assisted Living Coalition PAC Springfield | Committee | $300,000 |
Health Care Council of Illinois Political Action Committee Springfield | Committee | $285,250 |
Sports Betting Alliance Lubbock | Business or group | $255,000 |
IUOE Local 399 Political Education Fund Chicago | Committee | $200,000 |
UA Political Action Fund Annapolis | Committee | $200,000 |
IBEW Illinois PAC Washington | Committee | $157,500 |
Committee: Friends of Don Harmon for State Senate (every report they filed is on the State Board of Elections' site). Data current as of October 12, 2026.
Their home
$600,000 – $700,000estimated market value, 2026 assessment
$335,800median home value in Cook County (Illinois: $280,700)
The Cook County assessor's estimate of the market value of the home at the address Don Harmon 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.
Companies on the state register
Corporations and LLCs the Secretary of State lists Don Harmon as an officer, manager or member of.
| Company | Their role | Status | Gave to the campaign |
|---|
1935-307 FAIRFIELD LLC LLC, since 2026 · file 18301318 | manager | Good standing | — |
Registered agent for (the person who receives legal papers; often a lawyer or accountant for a client, not an owner): FRIENDS OF DON HARMON · ISDF, NFP · DL21C (dissolved).
From the Secretary of State's business records of October 13, 2026, matched by name and ZIP code against the address the State Board of Elections has for the candidate (or by name when the company itself gave to their campaign). Someone listed only at another address isn't found; search the Secretary of State's business entity search by file number for the full record.