| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Gem | city | Idaho | United States | 47.50833 | -115.86694 | 3717 | 256 |
| Gem | city | Kansas | United States | 39.42778 | -100.89722 | 3067 | 112 |
| Gem | city | Texas | United States | 35.78528 | -100.12306 | 2496 | 47 |
| Gem | city | Indiana | United States | 39.77944 | -85.89667 | 820 | 12860 |
| Gem | city | Ohio | United States | 39.66389 | -81.42639 | 839 | 1336 |
| Gem | city | West Virginia | United States | 38.82917 | -80.66778 | 1174 | 925 |
| Gem Beach | city | Ohio | United States | 41.56944 | -82.8225 | 574 | 5343 |
| Gem Lake | city | Minnesota | United States | 45.0575 | -93.03222 | 958 | 69256 |
| Gem Lake Estates | city | South Carolina | United States | 33.50639 | -81.74333 | 475 | 29642 |
| Gem Village | city | Colorado | United States | 37.21917 | -107.63667 | 6797 | 772 |
| Gemco | city | California | United States | 34.20917 | -118.43667 | 734 | 422913 |
| Gemfield | city | Nevada | United States | 37.73972 | -117.29417 | 6082 | 19 |
| Gemmell | city | Minnesota | United States | 47.97333 | -94.12361 | 1322 | 47 |
| Gemmer | city | Ohio | United States | 38.71722 | -83.44667 | 554 | 2104 |
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