| Name | Washington County |
| Place Type | County |
| Located in | |
| County Seat | Potosi (Breton Township) |
| Established | 1813 |
| Coordinates | | Latitude | | 37.9500477 | | 37° 57' 00.2" N | | Longitude | | -90.8834660 | | 90° 53' 00.5" W |
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| Population | 20,380 |
| Elevation | 292 m |
| Surrounding Counties | Jefferson NE Saint Francois SE Iron S Dent SW Crawford W Franklin N
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| USGS GNIS FeatureID | 758563 |
| Histopolis Place ID | 162114752 |
| Updated Apr 15, 2011 |
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| Map Layers (check box to show) | Place under cursor |
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