Jefferson County is a district of Ohio.
Boundaries: United States Census Bureau, MAF/TIGER Database (https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html) via geoBoundaries, public domain
| City of Steubenville | Steubenville | 19 k |
| Township of Brush Creek | no seat recorded | |
| Township of Cross Creek | no seat recorded | |
| Township of Island Creek | no seat recorded | |
| Township of Knox | no seat recorded | |
| Township of Mount Pleasant | no seat recorded | |
| Township of Ross | no seat recorded | |
| Township of Salem | no seat recorded | |
| Township of Saline | no seat recorded | |
| Township of Smithfield | no seat recorded | |
| Township of Springfield | no seat recorded | |
| Township of Steubenville | no seat recorded | |
| Township of Warren | no seat recorded | |
| Township of Wayne | no seat recorded | |
| Township of Wells | no seat recorded |
Nothing has been written about Jefferson County here, and neither Wikipedia nor Wikivoyage has an article we could draw one from. If you know the place, that makes you a better source than anything we have. Tell us what is worth knowing and where you got it.
We show Steubenville as the capital of Jefferson County. If that is wrong, tell us what it should be and where you read it.
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