Top Cities in Connecticut 2021
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Glastonbury, CT | 324 | 135 |
| #2 | Town of West Hartford, CT | 301 | 153 |
| #3 | Stamford, CT | 248 | 156 |
| #4 | New Haven, CT | 232 | 152 |
| #5 | Guilford, CT | 168 | 69 |
| #6 | South Windsor, CT | 160 | 70 |
| #7 | Manchester, CT | 149 | 95 |
| #8 | Middletown, CT | 144 | 69 |
| #9 | Danbury, CT | 140 | 88 |
| #10 | Ridgefield, CT | 140 | 71 |
| #11 | Norwalk, CT | 126 | 64 |
| #12 | Farmington, CT | 124 | 67 |
| #13 | Vernon, CT | 123 | 64 |
| #14 | Southbury, CT | 122 | 34 |
| #15 | Madison, CT | 120 | 59 |
| #16 | Wallingford, CT | 118 | 53 |
| #17 | Southington, CT | 116 | 36 |
| #18 | Tolland, CT | 114 | 54 |
| #19 | Fairfield, CT | 113 | 56 |
| #20 | Westport, CT | 110 | 52 |
| #21 | Cheshire, CT | 110 | 57 |
| #22 | Avon, CT | 108 | 62 |
| #23 | Hamden, CT | 105 | 65 |
| #24 | Wethersfield, CT | 96 | 36 |
| #25 | Shelton, CT | 95 | 53 |