The most people with last name
Dieffenbach lives in:
| Williamsport, PA | 6 |
| Reno, NV | 4 |
| Overland Park, KS | 3 |
| Virginia Beach, VA | 3 |
| Milwaukee, WI | 3 |
| Bradenton, FL | 2 |
| Holmes Beach, FL | 2 |
| Pinellas Park, FL | 2 |
| Cogan Station, PA | 2 |
| Manheim, PA | 2 |
| Wilkes Barre, PA | 2 |
| North Providence, RI | 2 |
| Puyallup, WA | 2 |
| Cedarburg, WI | 2 |
| Phoenix, AZ | 1 |
| Calabasas, CA | 1 |
| Indio, CA | 1 |
| Los Angeles, CA | 1 |
| Oakland, CA | 1 |
| San Jose, CA | 1 |
| Santa Monica, CA | 1 |
| Littleton, CO | 1 |
| Washington, DC | 1 |
| Clearwater, FL | 1 |
| Seminole, FL | 1 |
| Vero Beach, FL | 1 |
| Marietta, GA | 1 |
| Aiea, HI | 1 |
| Geneva, IL | 1 |
| Owensboro, KY | 1 |
| Bethesda, MD | 1 |
| Frederick, MD | 1 |
| Glenn Dale, MD | 1 |
| Silver Spring, MD | 1 |
| Upper Marlboro, MD | 1 |
| Waldorf, MD | 1 |
| Maplewood, MN | 1 |
| House Springs, MO | 1 |
| Castle Hayne, NC | 1 |
| Charlotte, NC | 1 |
| Maple Hill, NC | 1 |
| Sherrills Ford, NC | 1 |
| Wilmington, NC | 1 |
| Londonderry, NH | 1 |
| Hamilton township, NJ | 1 |
| Sparks, NV | 1 |
| Halfmoon, NY | 1 |
| Manhattan, NY | 1 |
| Moreau, NY | 1 |
| Bend, OR | 1 |
| Portland, OR | 1 |
| Collegeville, PA | 1 |
| Dallas, PA | 1 |
| Ephrata, PA | 1 |
| Kingston, PA | 1 |
| Lancaster, PA | 1 |
| Lititz, PA | 1 |
| Philadelphia, PA | 1 |
| Pittsburgh, PA | 1 |
| Cumberland, RI | 1 |
| Newport, RI | 1 |
| Warwick, RI | 1 |
| North Myrtle Beach, SC | 1 |
| Fort Worth, TX | 1 |
| Houston, TX | 1 |
| McKinney, TX | 1 |
| Burke, VA | 1 |
| Vienna, VA | 1 |
| Issaquah, WA | 1 |
| Lynnwood, WA | 1 |
| Stanwood, WA | 1 |
| Sumner, WA | 1 |
