Washington County is a district of Illinois.
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
| Township of Ashley | no seat recorded | |
| Township of Beaucoup | no seat recorded | |
| Township of Bolo | no seat recorded | |
| Township of Covington | no seat recorded | |
| Township of Du Bois | no seat recorded | |
| Township of Hoyleton | no seat recorded | |
| Township of Irvington | no seat recorded | |
| Township of Johannisburg | no seat recorded | |
| Township of Lively Grove | no seat recorded | |
| Township of Nashville | Nashville | |
| Township of Oakdale | no seat recorded | |
| Township of Okawville | no seat recorded | |
| Township of Pilot Knob | no seat recorded | |
| Township of Plum Hill | no seat recorded | |
| Township of Richview | no seat recorded | |
| Township of Venedy | 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 Nashville 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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