District of Columbia Territory

1850 Counties 

County Description Area in sq miles Courts held at Pop in 1850
Alexandria Co, VA formerly comprised the part of SC west of Potomac river 36 Alexandria 10,008
Washington in DC, Potomac river on southwest 64 Washington DC 51,687

1850 Towns

Name What County Pop Other
Anacostia PO Washington Co, DC    
Alexandria City Alexandria Co, DC 8,734 seat of justice, PE Theological Seminary, water by Potomac river
Georgetown City Washington Co, DC 8,366 Roman College
Tenallytown PO Washington Co, DC