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How this works

Data current as of October 12, 2026 · latest report received October 14, 2026. From the State Board of Elections' data files; we refresh them by hand, so new reports can take a while to appear here.

What's covered

Every candidate for Governor, Lieutenant Governor, Attorney General, Secretary of State, Comptroller, Treasurer, the Illinois Senate and the Illinois House in the 2022, 2024 and 2026 elections (primary, general, or both), and the money their campaign committees reported raising and spending in each election cycle. A cycle runs from January 1 after the previous general election to December 31 of its own election year (January 1, 2025 through 2026 for the 2026 elections); a committee that runs through several cycles has its money counted in the cycle its dates fall in. Federal offices (Congress) report to the Federal Election Commission instead; county and local offices and judges aren't covered yet.

Where it comes from

Everything comes from the Illinois State Board of Elections' campaign disclosure data files(elections.il.gov/campaigndisclosuredatafiles), the Board's whole campaign finance database as published for download: candidates and the elections they ran in, committees and the candidates they're linked to, every report filed, and every itemized receipt and expenditure on them. We download the files by hand (the Board's site doesn't allow automated access) and keep the rows that concern these candidates for state office.

Election results

Official results come from the State Board of Elections' results pages: every candidate's total votes in each contest for statewide office, the Illinois Senate and the Illinois House, for the 2022, 2024 and 2026 primaries and general elections. A primary candidate's share is of the votes cast in their party's primary. “Last time” is the seat's latest general election before the cycle's (from 2022 on) and the winner's margin over the runner-up, in points; the district lines have been the same since 2022.

The Board's candidate file sometimes leaves out a candidate who was on the ballot (keeping only another of their candidacies, such as a ward committeeman's). Anyone in the official primary results with 100 votes or more and no candidacy on file is added, and a primary winner is added to the November race. Their campaign committee is found by its stated purpose ("to support the candidacy of … for the 8th State Senate District"), and they count as the incumbent if they won the seat at its last general election. When one person filed twice for one race, the two records are merged.

Congress

Illinois's U.S. House members and candidates file financial disclosure reports with the Clerk of the House: assets and unearned income, earned income, debts, outside positions, agreements, gifts and travel, and (members) a report of every stock trade over $1,000 within 45 days. We read every Illinois filing since 2021 from the Clerk's yearly indexes and the reports' PDFs. Values are the ranges the form offers ($1,001–$15,000 and so on); a total adds up the bottoms and the tops, so it says what someone has at least and at most. Reports filed on paper are scans we don't read yet, and are linked as filed.

Illinois's senators and U.S. Senate candidates file theirs with the Secretary of the Senate (efdsearch.senate.gov). Its search asks each visitor to agree to the Ethics in Government Act's limits on using the reports (not for commercial purposes other than news media's, nor for credit ratings or fundraising); we agree as any visitor does and only publish them. Reports filed electronically are read the same way as the House's (assets, income, debts, positions, agreements, gifts, travel and stock trades); paper filings are linked as filed. Candidate reports stay on the Senate's site for a year after someone stops running, so past candidates' may be gone. Sitting House members who run for the Senate keep filing with the House.

Their campaign money comes from the Federal Election Commission's bulk data files for each two-year period: each candidate's totals (raised, from individuals, PACs and parties, their own money and loans, spent, cash on hand, debts), every contribution from a PAC or party committee, independent expenditures for and against them, and itemized contributions from individuals to their campaign committees (memo entries left out). A candidate is matched to their disclosure filings by name, or by district and last name; one with no disclosure filings who raised $5,000 or more is listed too. The same files cover Illinois's U.S. Senate candidates: the 2026 race lists everyone on the March primary ballot or who raised $5,000 or more, with the sitting senators (one retiring, one next up in 2028) listed apart. Vote counts for both chambers are the State Board of Elections' official results. A candidate's "moved in from their other campaign committees" is money transferred from another committee of theirs, such as a House committee to a Senate one.

Companies

The Secretary of State publishes its corporation and LLC records in bulk under the Business Data Transparency Act: each company's status and dates, a corporation's president and secretary, an LLC's managers and members, and registered agents. We download them by hand (the Secretary of State's site doesn't allow automated access). A candidate is matched to a company only when their name and ZIP code agree with the address the State Board of Elections has for them, or when their name agrees and the company itself gave to their campaign; a name alone mostly finds someone else. Contributions from a company a candidate runs count as their own money. Being a registered agent (the person who receives legal papers, often a lawyer for a client) is shown apart from running a company.

Home values

Candidates file a home address with the State Board of Elections. We look that address up in the county's own assessment records and take the latest value for the parcel:

An address that's an office or a commercial building gives no value, and a condominium building counts only when the candidate filed their unit. Other counties aren't covered yet, so candidates there show no home value.

The value is shown only as a range: $100,000 steps up to $1 million, $250,000 steps to $2 million, $500,000 steps to $5 million, then “over $5 million”. Addresses, parcel numbers and exact values aren't published, and candidates who asked the Board to redact their address are left out. Assessments trail the market and can be appealed, so a range is a rough figure, not an appraisal. The chart's line is the median value of owner-occupied homes in Illinois from the Census Bureau's American Community Survey; a person's page compares their range with their own county's median.

Findings

Findings check each candidate's reports against rules in the Illinois Election Code (and, for contributions from abroad, the federal ban on foreign money in any U.S. election). Each quotes the law it rests on, checked against a copy saved with the code, and lists what to check next, including exceptions the reports can't show. “Worth a look” means something on the face of the records stands out; “Context” is background. Neither is an accusation: the Board's records can carry typos, and the Board decides on fines and can waive them.

Matching people

The Board links each committee to its candidate, so a candidate's money is matched by the Board's own ids, not by name. A candidate who ran in both the primary and the general for the same office is one person here.

Committees

Legislators' committee seats come from the Illinois General Assembly's site (ilga.gov): each chamber's committees and subcommittees and their members' roles (chair, vice-chair, the minority party's spokesperson, member). They're the current General Assembly's, shown on this cycle's pages for the legislators who hold them, matched by chamber and district.

Connections and rankings

Connections link the money across pages. Giving in Springfield and Washington matches people who gave to a cycle's state candidates with the FEC's itemized contributions to Illinois's U.S. House and Senate candidates in the same two years, by last name, first name and ZIP code (two people with the same name in one ZIP would be added together). Where donors work adds up contributions by the employer each contributor reported, leaving out retirees, the self-employed and the like, and a candidate's own money; an employer is listed when two or more of its people gave. Officeholders funding others lists candidates' own campaign committees giving to two or more other candidates in the cycle; money between one person's own committees isn't counted.

Rankings are each cycle's top ten on one measure: money raised, their own money (contributions and loans in their name and from companies they run, with its share of everything the campaign took in), cash on hand at the latest quarterly report, outside spending for and against them, and findings worth a look.

Donors

A donor is a contributor as the candidates' committees report them: a person by name and ZIP code, anyone else by name, cleaned of spelling differences (“IL” and “Illinois”, “Assn.” and “Association”, “Inc.”) and merged where we've checked that two spellings are the same donor. A company and its PAC are separate donors, as they are in law. Only donors who gave to two or more of a cycle's state candidates are listed; pages for individual people aren't offered to search engines.

“Where the money comes from” sorts every contribution by kind of donor, read from the name and how it was reported: labor unions, businesses, trade, professional and issue groups (associations, chambers, PACs), parties and the legislative leaders' caucus committees, other candidates' committees, and individuals. A candidate's own money is what they gave in their own name and what their other committees moved over. Names can mislead, so each kind is approximate.

Contribution limits

Illinois limits what a candidate's committee may accept from one source in each election cycle (the primary and the general are separate cycles), adjusted for inflation every two years. The limits come off for every candidate in a race when one of them reports putting in more than a threshold of their own money, or when independent spending in the race passes one; the Board records when that happens, and race pages show it.

Snapshot built 2026-10-14T19:32:32+00:00; campaign data current as of October 12, 2026.