What's in the Illinois file
| Agents on file | 15,311 |
|---|---|
| Business addresses (real estate firms' own websites) | 603 |
| Email addresses in the file | 15,914 |
| Each email last read on a public page | Sep 16, 2026 to Oct 8, 2026 |
| Rows with a phone number | 94% |
| Rows on their own business domain | 42% |
| Rows on a free mailbox | 22% |
| Brokerage brands in the file | 17 |
| Cities sold as a file of their own | 58 |
| The whole file, one-time | $249 |
| Columns in every row | Name, Email, Phone, Brokerage, City, State, Data Source |
Company domains and Gmail in Illinois inboxes
Gmail is the single most common domain in the Illinois rows, with 2,676 addresses, and addresses at free-mail providers make up 22% of the file. The next three domains are remax.net (2,031), kw.com (1,850) and compass.com (1,736).
Most RE/MAX agents in Illinois write from remax.net, most Compass agents from compass.com and most Keller Williams agents from kw.com: respectively 2,029 of 2,080, 1,735 of 1,736 and 1,847 of 2,083. HomeSmart's leading domain here is gmail.com, on 821 of its 1,270 Illinois agents.
94% of Illinois rows include a phone number next to the email address. Our walks in October 2026 found 632 Illinois rows the file did not hold before.
Coldwell Banker first in the Illinois file; Keller Williams and RE/MAX almost level
The Coldwell Banker brand has the most agents in the Illinois file, 2,826 of the 15,311. That is 18% of the agents with a brand, against 15% in our US file, where Keller Williams leads.
Behind it, Keller Williams (2,083) and RE/MAX (2,080) are almost level. RE/MAX holds 14% of the Illinois agents with a brand, more than its 10% across our US file; Keller Williams holds 14%, less than its 19% there.
Compass and HomeSmart each have a share here at least 1.5 times their share in our US file: Compass 11% of the Illinois agents with a brand against 7%, HomeSmart 8% against 5%. Real Brokerage holds 4%, well under its 7% across our US file.
Realty of America is concentrated in Illinois: the state has 479 of the brand's 1,569 agents in our US file, or 31%.
Chicago more than four times Naperville among Illinois city files
Chicago's file holds 3,419 email addresses, 21% of the Illinois rows and more than four times the 833 in Naperville, the second city file. In all, 58 Illinois cities have a file of their own.
Grouped by company and office town, the largest group in the Illinois file is Compass in Chicago, at 969 rows, more than twice the 470 under Coldwell Banker Realty in Chicago, and Compass's 969 Chicago agents are more than half of the brand's 1,736 in Illinois.
Keller Williams agents are less concentrated in Chicago: 308 of the brand's 2,083 in Illinois have an office there, and four of the ten groups in the table are Keller Williams agents in Chicago, Naperville, Orland Park and Barrington.
The city files also cover Bloomington (308), Edwardsville (235), Champaign (229), Peoria (174), Springfield (157) and Rockford (112). In Bloomington, 123 of the 301 agents on file are with RE/MAX.
| Office | City | Agents on file |
|---|---|---|
| Compass | Chicago | 969 |
| Coldwell Banker Realty | Chicago | 470 |
| Keller Williams | Chicago | 308 |
| Berkshire Hathaway HomeServices | Chicago | 280 |
| Keller Williams | Naperville | 253 |
| Sotheby's International Realty | Chicago | 251 |
| Keller Williams | Orland Park | 204 |
| Coldwell Banker Realty | Naperville | 189 |
| HomeSmart | Chicago | 165 |
| Keller Williams | Barrington | 165 |