Iowa ranks #28 among US states for total patents filed in 2019, with 3,124 patents from 1,684 inventors across 283 cities. On a per-capita basis that is 1.0 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Iowa 2019
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Cedar Rapids, IA | 292 | 149 |
| #2 | Ames, IA | 200 | 132 |
| #3 | Marion, IA | 147 | 72 |
| #4 | Ankeny, IA | 132 | 69 |
| #5 | Granger, IA | 126 | 8 |
| #6 | Bettendorf, IA | 116 | 54 |
| #7 | Johnston, IA | 104 | 40 |
| #8 | Dubuque, IA | 102 | 71 |
| #9 | Marshalltown, IA | 96 | 54 |
| #10 | Iowa City, IA | 89 | 73 |
| #11 | Des Moines, IA | 65 | 37 |
| #12 | Pella, IA | 64 | 44 |
| #13 | Urbandale, IA | 59 | 32 |
| #14 | Waukee, IA | 54 | 12 |
| #15 | Ottumwa, IA | 53 | 16 |
| #16 | Cedar Falls, IA | 52 | 35 |
| #17 | Davenport, IA | 48 | 30 |
| #18 | Coralville, IA | 47 | 27 |
| #19 | West Des Moines, IA | 44 | 32 |
| #20 | Kelley, IA | 40 | 1 |
| #21 | Williamsburg, IA | 38 | 14 |
| #22 | Oskaloosa, IA | 33 | 12 |
| #23 | Slater, IA | 23 | 12 |
| #24 | Panora, IA | 23 | 2 |
| #25 | Mount Vernon, IA | 23 | 11 |