Post Offices in the State of Oregon
Taken from the February 6, 1861 Morning Oregonian
| Albany (County Seat) | Linn |
| Alderbrook | Douglas |
| Amity | Yamhill |
| Applegate | Jackson |
| Ashland Mills | Jackson |
| Ashland Mills | Marion |
| Astoria | Clatsop |
| Aurora Mills | Marion |
| Bloomington | Polk |
| Bridgeport | Polk |
| Butteville | Marion |
| Calapooia | Linn |
| Central | Linn |
| Champoeg | Marion |
| Corvallis (County Seat) | Benton |
| Cottage Grove | Lane |
| Dallas | Polk |
| Dayton | Yamhill |
| Diamond Hill | Linn |
| Elkton (Court House) | Umpqua |
| Empire City | Coos |
| Eola | Polk |
| Eugene City (County Seat) | Lane |
| Fairfield | Marion |
| Forest Grove | Washington |
| Franklin | Lane |
| Galesville | Douglas |
| Gold River | Jackson |
| Grand Prairie | Lane |
| Harrisburgh | Linn |
| Hillsborough (County Seat) | Washington |
| Hood River | Clackamas |
| Independence | Polk |
| Jacksonville (County Seat) | Jackson |
| Kellog's | Umpqua |
| Kerby | Josephine |
| King's Valley | Benton |
| Lafayette (County Seat) | Yamhill |
| Leland | Josephine |
| Liberty | Benton |
| Locust Grove | Umpqua |
| Long Tom | Lane |
| McKinzie | Lane |
| McMinnville | Yamhill |
| Milwaukie | Clackamas |
| Mount Hood | Yamhill |
| Muddy | Yamhill |
| Myrtleville | Douglas |
| Needy | Clackamas |
| North Canyonville | Douglas |
| North Yamhill | Yamhill |
| Oakland | Douglas |
| Oregon City (County Seat) | Clackamas |
| Oswego | Clackamas |
| Othello | Lane |
| Parkersville | Marion |
| Peoria | Linn |
| Phoenix | Jackson |
| Pine | Linn |
| Pleasant Hill | Lane |
| Port Orford | Curry |
| Portland | Multnomah |
| Rainier | Columbia |
| Roseburg (County Seat) | Douglas |
| Round Prairie | Douglas |
| Salem (Court House) | Marion |
| Sandy | Clackamas |
| Santiam City | Linn |
| Sauvies Island | Washington |
| Scottsburg | Umpqua |
| Silverton | Marion |
| Siuslaw | Lane |
| Slate Creek | Josephine |
| Smithfield | Lane |
| Springville | Multnomah |
| St. Helens | Columbia |
| Starr's Point | Benton |
| Sublimity | Marion |
| Tampice(?) | Benton |
| Trudom(?) | Lane |
| Umpqua City | Umpqua |
| Union Point | Linn |
| Vannoy | Josephine |
| Waldo | Josephine |
| Wapate(?) | Washington |
| Wascopum (County Seat) | Wasco |
| Washington | Yamhill |
| Washington Butte | Linn |
| Willamette Forks | Lane |
| Williamina | Yamhill |
| Winchester | Douglas |
| Yoncalla | Umpqua |
