1850 Counties of Arkansas
| in area | Courts held at | Pop in 1850 | ||
| Arkansas Co, AR | southeast part, , water by Arkansas, White & Bosuf Rivers & Bayou Barthelany | 2400 sq miles | Arkansas | 3,246 |
| Ashley Co, AR | southeast part between Bayou Bartholomew & Saline river | (blank) | Hamburgh | 2,058 |
| Barthlolomew Co, AR | no description | blank | blank | not given |
| Benton Co, AR | in NW corner, water by White river & branches of Neosho | 1,050 sq miles | Bentonville | 3,710 |
| Carroll Co, AR | north boundary | 1650 | Carrollton | 4,614 |
| Chicot Co, AR | southeast corner, on west side of Mississippi river | 1800 | Columbia | 5,115 |
| Clark Co, AR | southwest part, between Little Missouri & Wachita rivers | 1500 | Greenville | 4,011 |
| Conway Co, AR | central part, on north side of Arkansas river | 1025 | Lewisburgh | 3,583 |
| Crawford Co, AR | western boundary, crossed by Arkansas river | 780 | Van Buren | 7,960 |
| Crittenden Co, AR | eastern boundary between Mississippi & St Francis rivers | 2100 | Marion | 2,648 |
| Dallas Co, AR | southern part between Wachita & Saline rivers | blank | Princeton | 6,877 |