Illinois ranks #7 among US states for total patents filed in 2022, with 15,340 patents from 8,257 inventors across 534 cities. On a per-capita basis that is 1.2 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Illinois 2022
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Chicago, IL | 3,049 | 1,710 |
| #2 | Champaign, IL | 544 | 179 |
| #3 | Bloomington, IL | 506 | 182 |
| #4 | Naperville, IL | 488 | 283 |
| #5 | Evanston, IL | 362 | 216 |
| #6 | Peoria, IL | 311 | 190 |
| #7 | Urbana, IL | 257 | 151 |
| #8 | Lake Forest, IL | 254 | 43 |
| #9 | Palatine, IL | 225 | 121 |
| #10 | Normal, IL | 202 | 76 |
| #11 | Arlington Heights, IL | 201 | 117 |
| #12 | Northbrook, IL | 190 | 73 |
| #13 | Vernon Hills, IL | 167 | 84 |
| #14 | Aurora, IL | 165 | 95 |
| #15 | Dunlap, IL | 164 | 81 |
| #16 | Libertyville, IL | 161 | 97 |
| #17 | Glenview, IL | 158 | 90 |
| #18 | Schaumburg, IL | 150 | 97 |
| #19 | Buffalo Grove, IL | 143 | 87 |
| #20 | Crystal Lake, IL | 140 | 69 |
| #21 | Savoy, IL | 140 | 20 |
| #22 | Rockford, IL | 139 | 77 |
| #23 | Lisle, IL | 134 | 57 |
| #24 | Des Plaines, IL | 124 | 74 |
| #25 | Hoffman Estates, IL | 119 | 54 |