Utah Territory
1850 Counties
| County | Description | Area in sq miles | Courts held at | Pop in 1850 |
| Davis | no description | blank | blank | blank |
| Iron | no description | blank | Centre Creek | blank |
| Ogden | no description | blank | Brownsville | not listed |
| Salt Lake | north part | blank | Salt Lake City | not listed |
| Utah | no description | blank | Utah Lake |
1850 Towns
| Name | What | County | Pop | Other |
| Brookville | PO | Ogden | ||
| Centre Creek | PO | Iron | ||
| Manti | PO | San Pete | ||
| Miller's Creek | PO | Davis | ||
| Salt Lake City | PT | St Lake | founded & inhabited mainly by Mormans | |
| San Pete | PO | not given | ||
| Utah Lake | PO | Utah |