| Blackburn, OK (Town) |
| Blackburn Creek Community Development District, FL (CDD) |
| Blackcreek Township, OH (Township) |
| Blackduck, MN (City) |
| Blackey, KY (City) |
| Blackfoot, ID (City) |
| Blackford County, IN (County) |
| Blackhawk Township, IL (Township) |
| Blackhoof, MN (Township) |
| Blacklick Township, PA (Township) |
| Blackman Township, MI (Township) |
| Blackpipe, SD (Township) |
| Blacksburg, VA (Town) |
| Blacksburg, SC (Town) |
| Blackshear, GA (City) |
