Portsmouth is the county seat for Scioto County
Adjacent to Scioto County, Ohio
Adams County (46) ► Jackson County (55) ► Lawrence County (23) ► Pike County (19) ► Greenup County, Kentucky (35) ► Lewis County, Kentucky (20) ►
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| On Roy Rogers Road (Local Road 138) at Sly Road (Local Road 517), on the left when traveling north on Roy Rogers Road. |
| On Edward Warren Drive (Cemetery Road), 0.2 miles north of Ohio River Scenic Byway (U.S. 52), on the right when traveling north. |
| On Ohio Route 104, 0.1 miles north of Simpson Road, on the right when traveling south. |
| On Gallia Street at Lakeshore Drive, on the right when traveling west on Gallia Street. |
| On Lakeshore Drive south of Pine Street, on the right when traveling south. |
| On Curtis Smith Road (County Route 487) just north of Ohio Route 348, on the right when traveling north. |
| On Curtis Smith Road, 0.1 miles Ohio Route 348. |
| On Front Street at Market Street, on the right when traveling west on Front Street. |
| On Front Street, on the right when traveling west. |
| On Front Street just east of Court Street, on the right when traveling west. |
| On Court Streets at 4th Street, on the right when traveling north on Court Streets. |
| On Washington Street at 5th Street, on the left when traveling north on Washington Street. |
| On Front Street at Jefferson Street, on the right when traveling west on Front Street. |
| On 9th Street east of Chillicothe Street (U.S. 23), on the right when traveling west. |
| On Market Street south of 4th Street, on the right when traveling north. |
| On 4th Street west of Washington Street (U.S. 23), on the right when traveling east. |
| On Court Street at 4th Street, on the left when traveling north on Court Street. |
| On Court Street at 3rd Street, on the left when traveling north on Court Street. |
| On 6th Street west of Court Street, on the right when traveling east. |
| On 2nd Street (Ohio Route 73/104) just east of Court Street, on the left when traveling east. |
| On 4th Street west of Washington Street (U.S. 23), on the right when traveling east. |
| On Front Street just east of Court Street, on the left when traveling east. |
| On Front Street just west of Market Street, on the right when traveling west. |
| On Front Street just west of Market Street, on the right when traveling west. |
| On Front Street just west of Court Street, on the right when traveling west. |
| Near Front Street at Court Street when traveling west. |
| On 7th Street west of Washington Street (U.S. 23), on the right when traveling east. |
| On 3rd Street at Jefferson Street, on the right when traveling west on 3rd Street. |
| On Front Street just east of Madison Street, on the right when traveling west. |
| On Front Street just west of Jefferson Street, on the right when traveling west. |
| On Front Street at Jefferson Street, on the right when traveling west on Front Street. |
| On 4th Street east of Court Street, on the right when traveling east. |
| On Front Street just east of Jefferson Street, on the right when traveling west. |
| On Chillicothe Street (U.S. 23) at 10th Street, on the left when traveling south on Chillicothe Street. |
| On Front Street east of Court Street, on the right when traveling west. Reported permanently removed. |
| On Front Street east of Court Street, on the right when traveling west. Reported permanently removed. |
| On Front Street, on the right when traveling west. Reported permanently removed. |
| On Front Street west of Court Street, on the right when traveling west. Reported permanently removed. |
| On Front Street west of Court Street, on the right when traveling west. Reported permanently removed. |
| On Front Street west of Court Street, on the right when traveling west. Reported permanently removed. |
| On Front Street at Market Street, on the right when traveling west on Front Street. Reported permanently removed. |
| On Front Street at Jefferson Street, on the right when traveling west on Front Street. Reported permanently removed. |
| On Front Street west of Market Street, on the right when traveling west. Reported permanently removed. |
| On Front Street west of Market Street, on the right when traveling west. Reported permanently removed. |
| On Front Street at Jefferson Street, on the right when traveling west on Front Street. Reported permanently removed. |
| On Front Street west of Jefferson Street, on the right when traveling west. Reported permanently removed. |
| On Front Street east of Madison Street, on the right when traveling west. Reported permanently removed. |
| On Front Street at Madison Street, on the right when traveling west on Front Street. Reported permanently removed. |
| On 4th Street east of Court Street, on the left when traveling east. |
| On Williams Street at James Street, on the right when traveling east on Williams Street. |
| On Market Street north of 5th Street, on the right when traveling north. |
| On Front Street just west of Court Street, on the right when traveling west. |
| On Front Street at Market Street, on the right when traveling west on Front Street. |
| On Chillicothe Street at 2nd Street (U.S. 23), on the right when traveling north on Chillicothe Street. |
| On Front Street, on the right when traveling west. |
| On Duck Run-Otway Road (County Road 33) 0.1 miles south of Owensville Road (County Road 139), on the left when traveling south. |
| On Ohio Route 104, 0.2 miles north of McDermott-Pond Creek Road (County Road 46), on the right when traveling north. |
| On Gallia Street at Eastern Avenue, on the left when traveling west on Gallia Street. |
| On Shawnee Road just north of Ohio Route 125, on the right when traveling north. |
| On Shawnee Road just north of Ohio Route 125, on the right when traveling north. |
| Near Route 125, 0.7 miles north of Mackletree Road, on the left when traveling north. |
| On Hillcrest Road at Gallia Pike (County Road 1), on the left when traveling east on Hillcrest Road. |