Washington 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 Belpre | no seat recorded | 6 k |
| City of Marietta | Marietta | 14 k |
| Township of Adams | no seat recorded | |
| Township of Aurelius | no seat recorded | |
| Township of Barlow | no seat recorded | |
| Township of Belpre | no seat recorded | |
| Township of Decatur | no seat recorded | |
| Township of Dunham | no seat recorded | |
| Township of Fairfield | no seat recorded | |
| Township of Fearing | no seat recorded | |
| Township of Grandview | no seat recorded | |
| Township of Independence | no seat recorded | |
| Township of Lawrence | no seat recorded | |
| Township of Liberty | no seat recorded | |
| Township of Ludlow | no seat recorded | |
| Township of Marietta | no seat recorded | |
| Township of Muskingum | no seat recorded | |
| Township of Newport | no seat recorded | 2 k |
| Township of Palmer | no seat recorded | |
| Township of Salem | no seat recorded | |
| Township of Warren | no seat recorded | |
| Township of Waterford | no seat recorded | |
| Township of Watertown | no seat recorded | |
| Township of Wesley | no seat recorded |
Nothing has been written about Washington 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 Marietta as the capital of Washington County. If that is wrong, tell us what it should be and where you read it.
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