TROFTGRUBEN
There are 69 known people with the surname TROFTGRUBEN with 58 different first names. The surname TROFTGRUBEN is particularly common in North Dakota and Minnesota Here you can find the geographic distribution of this nachname in all states:
| 1 | ARIZONA | 4 | ARIZONA | 4 |
| 1 | CALIFORNIA | 3 | CALIFORNIA | 3 |
| 1 | MINNESOTA | 9 | MINNESOTA | 9 |
| 1 | MONTANA | 2 | MONTANA | 2 |
| 1 | NEW JERSEY | 2 | NEW JERSEY | 2 |
| 1 | NORTH DAKOTA | 41 | NORTH DAKOTA | 41 |
| 1 | OREGON | 6 | OREGON | 6 |
| 1 | WASHINGTON | 5 | WASHINGTON | 5 |
| 1 | WISCONSIN | 2 | WISCONSIN | 2 |
| 1 | WYOMING | 3 | WYOMING | 3 |