Jefferson County is a district of New York.
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 Watertown | Watertown | 27 k |
| Town of Adams | no seat recorded | 5 k |
| Town of Alexandria | no seat recorded | 4 k |
| Town of Antwerp | no seat recorded | 2 k |
| Town of Brownville | no seat recorded | 6 k |
| Town of Cape Vincent | no seat recorded | 3 k |
| Town of Champion | no seat recorded | 5 k |
| Town of Clayton | no seat recorded | 5 k |
| Town of Ellisburg | no seat recorded | 4 k |
| Town of Henderson | no seat recorded | 1 k |
| Town of Hounsfield | no seat recorded | 4 k |
| Town of Le Ray | no seat recorded | 22 k |
| Town of Lorraine | no seat recorded | 1 k |
| Town of Lyme | no seat recorded | 2 k |
| Town of Orleans | no seat recorded | 3 k |
| Town of Pamelia | no seat recorded | 3 k |
| Town of Philadelphia | no seat recorded | 2 k |
| Town of Rodman | no seat recorded | 1 k |
| Town of Rutland | no seat recorded | 3 k |
| Town of Theresa | no seat recorded | 3 k |
| Town of Watertown | no seat recorded | 5 k |
| Town of Wilna | no seat recorded | 6 k |
| Town of Worth | no seat recorded | 238 |
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 Watertown as the capital of Jefferson County. If that is wrong, tell us what it should be and where you read it.
Sign in to send a correction for Jefferson County, so a moderator can follow up with you.