Thanks to Robert Feder for publishing these today. Check the article for full daypart breakdowns...
Here are Chicago’s top 30 radio stations from 6 a.m. to midnight Monday through Sunday, as measured by Nielsen Audio from June 18 to July 15, followed by format and average quarter-hour share of listeners age 6 and older (with previous month’s share in parentheses):
1. WBBM 780-AM/WCFS 105.9-FM all news, 7.0 (6.9)
2. WDRV 97.1-FM classic rock, 6.0 (6.4)
3. WVAZ 102.7-FM R&B, 5.7 (5.6)
4. WTMX 101.9-FM hot adult contemporary, 5.2 (4.8)
5. WLIT 93.9-FM adult contemporary, 5.0 (5.5)
6. WLS 94.7-FM classic hits, 4.6 (5.2)
7. WXRT 93.1-FM adult album alternative, 4.5 (3.9)
8. WKSC 103.5-FM Top 40, 3.7 (3.3)
9. WGN 720-AM news talk, 3.3 (4.5)
10. WBEZ 91.5-FM public radio news talk, 3.2 (3.8)
11. WOJO 105.1-FM Mexican regional, 3.1 (3.8)
12. (tie) WGCI 107.5-FM hip-hop, 2.9 (2.8); WKQX 101.1-FM alternative rock, 2.9 (2.8)
14.(tie) WUSN 99.5-FM country, 2.7 (2.5); WBBM 96.3-FM Top 40, 2.7 (2.0); WRME 87.7-FM soft rock oldies, 2.7 (3.0); WSHE 100.3-FM adult contemporary, 2.7 (2.3)
18. WBMX 104.3-FM classic hip hop, 2.6 (2.2)
19. WPPN 106.7-FM Spanish adult contemporary, 2.4 (2.0)
20. WEBG 95.5-FM country, 2.1 (1.7)
21. (tie) WLEY 107.9-FM Mexican regional, 2.0 (2.5); WLS 890-AM news talk, 2.0 (2.0)
23. WSCR 670-AM sports talk, 1.5 (1.5)
24. WPWX 92.3-FM hip-hop, 1.4 (1.6)
25. WVIV 93.5-FM Spanish contemporary, 1.2 (1.2)
26. WCKL 97.9-FM contemporary Christian music, 1.1 (1.3)
27. WMVP 1000-AM sports talk, 1.0 (0.8)
28. (tie) WFMT 98.7-FM classical 0.8 (0.6); WSRB 106.3-FM R&B, 0.8 (0.7)
30. WERV 95.9-FM classic hits, 0.6 (0.5)