Iowa ranks #26 among US states for total patents filed in 2025, with 2,822 patents from 1,331 inventors across 231 cities. On a per-capita basis that is 0.9 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Iowa 2025
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Ames, IA | 198 | 133 |
| #2 | Cedar Rapids, IA | 192 | 93 |
| #3 | Ankeny, IA | 174 | 66 |
| #4 | Johnston, IA | 126 | 54 |
| #5 | Granger, IA | 123 | 5 |
| #6 | Dubuque, IA | 122 | 52 |
| #7 | Des Moines, IA | 110 | 44 |
| #8 | Iowa City, IA | 107 | 78 |
| #9 | Bettendorf, IA | 106 | 45 |
| #10 | Marion, IA | 82 | 42 |
| #11 | Waukee, IA | 60 | 18 |
| #12 | Cedar Falls, IA | 59 | 39 |
| #13 | Urbandale, IA | 53 | 30 |
| #14 | West Des Moines, IA | 50 | 22 |
| #15 | Algona, IA | 47 | 2 |
| #16 | Marshalltown, IA | 43 | 25 |
| #17 | Pella, IA | 42 | 29 |
| #18 | Grimes, IA | 41 | 12 |
| #19 | Oskaloosa, IA | 37 | 16 |
| #20 | Kelley, IA | 36 | 1 |
| #21 | Panora, IA | 34 | 1 |
| #22 | Davenport, IA | 34 | 21 |
| #23 | North Liberty, IA | 33 | 13 |
| #24 | Clive, IA | 30 | 14 |
| #25 | Adel, IA | 29 | 2 |