Oregon Territory

1850 Counties 

County Description Area in sq miles Courts held at Pop in 1850
Benton on St Mary's river blank blank 418
Clackamas no description blank blank 1,162
Clark no description blank Columbia City 643
Clatsop western boundary, water by Columbia river blank Astoria blank
Elk not listed      
Lewis not listed      
Linn no description blank blank 994
Marion no description blank blank 2,749
Polk no description blank Lackemute 1,051
Umpqua not listed      
Washington no description blank blank 9,970
Yam Hill no decription blank blank 1,512

1850 Towns

Name What County Pop Other
Astoria PO Clatsop    
Buteville PO Marion    
Calapooia PO Linn    
Cascade PO Clark    
Catalamet PO Lewis    
Champoag PO Marion    
Chehalem PO Yam Hill    
Cincinnati PO Polk    
Columbia City PO, CH Clarke   seat of justice, water by Columbia river
Dallas PO not given    
Dayton PO Yam Hill    
Elkton PO Umpqua    
Eminence PO Washington    
Forks of Mary's River PO Benton    
Fort Laramie PO Clackamas    
Gardiner City PO not given    
Harris' Ferry PO Washington    
Hillsborough PO Washington    
Lackemute PO Polk    
Lafayette PO Yam Hill    
Lexington PO Clatsop    
Linn City PO Washington    
Marysville PO Benton    
Milwaukee PO Clackamas    
Monticello PO Lewis    
Mouth of Willamette PO Elk    
Nesmith's PO Polk    
New Albany PO Linn    
North Yam Hill PO Yam Hill    
Oak Point PO Louis    
Olympia PO Louis    
Oregon City PV Clackamas 702  
Pacific City PO Lewis    
Pleasant Hill PO Benton    
Portland PO Washington    
Rickreal PO Polk    
Rome PO Marion    
St Helen PO Washington    
Salem PO Marion    
Santyam PO Linn    
Santyam Forks PO Linn    
Scottsburgh PO Benton    
Skinners PO Benton    
Slough PO Clackamas    
Syracuse PO Marion    
Tulatin Plains PO Washington    
Twality Plains PO Washington    
Umpqua City PO Umpqua    
Willamette PO Yam Hill    
Willamette Forks PO Linn    
Winchester PO Umpqua    
Yam Hill Farms PO Yam Hill    
Yoncalla PO Benton