Iowa ranks #28 among US states for total patents filed in 2018, with 2,767 patents from 1,620 inventors across 249 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 2018
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Cedar Rapids, IA | 279 | 147 |
| #2 | Ames, IA | 220 | 146 |
| #3 | Iowa City, IA | 150 | 111 |
| #4 | Marion, IA | 136 | 70 |
| #5 | Johnston, IA | 133 | 63 |
| #6 | Ankeny, IA | 107 | 66 |
| #7 | Dubuque, IA | 105 | 57 |
| #8 | Des Moines, IA | 75 | 40 |
| #9 | Bettendorf, IA | 69 | 36 |
| #10 | Cedar Falls, IA | 61 | 50 |
| #11 | Pella, IA | 60 | 33 |
| #12 | Marshalltown, IA | 58 | 41 |
| #13 | Urbandale, IA | 51 | 34 |
| #14 | West Des Moines, IA | 50 | 34 |
| #15 | Davenport, IA | 48 | 26 |
| #16 | Coralville, IA | 48 | 26 |
| #17 | Williamsburg, IA | 44 | 12 |
| #18 | Waterloo, IA | 31 | 27 |
| #19 | North Liberty, IA | 26 | 20 |
| #20 | Slater, IA | 26 | 11 |
| #21 | Mount Vernon, IA | 26 | 9 |
| #22 | Grimes, IA | 25 | 11 |
| #23 | Granger, IA | 24 | 5 |
| #24 | Panora, IA | 24 | 3 |
| #25 | Waukee, IA | 23 | 7 |