Founded in 1772, Washington County is one of 62 counties in the state of New York. Historically, Washington County was formed from Albany County. The city of Fort Edward is the county seat. With FIPS code of 115, Washington County has a population of 60,956 and area of 846 square miles (2,191 km2).
List of all cities in Washington County, NY alphabetically
| City/Town | Postal Code | Area Code |
| Argyle, NY | 12809 | 518 |
| Bald Mountain, NY | 12834 | 518 |
| Battenville, NY | 12834 | 518 |
| Belcher, NY | 12865 | 518 |
| Cambridge, NY | 12816 | 518 |
| Center Cambridge, NY | 12816 | 518 |
| Clarks Mills, NY | 12834 | 518 |
| Clemons, NY | 12819 | 518 |
| Coila, NY | 12816 | 518 |
| Comstock, NY | 12821 | 518 |
| Cossayuna, NY | 12823 | 518 |
| Cossayuna Lake, NY | 12823 | 518 |
| Dresden Station, NY | 12887 | 518 |
| Eagleville, NY | 12873 | 518 |
| East Greenwich, NY | 12865 | 518 |
| East Hebron, NY | 12865 | 518 |
| Fort Ann, NY | 12827 | 518 |
| Fort Edward, NY | 12828 | 518 |
| Fort Miller, NY | 12828 | 518 |
| Granville, NY | 12832 | 518 |
| Greenwich, NY | 12834 | 518 |
| Hampton, NY | 12837 | 518 |
| Hartford, NY | 12838 | 518 |
| Hebron, NY | 12832 | 518 |
| Hudson Falls, NY | 12839 | 518 |
| Huletts Landing, NY | 12841 | 518 |
| Kingsbury, NY | 12839 | 518 |
| Low Hampton, NY | 12887 | 518 |
| Mdl Granville, NY | 12849 | 518 |
| Middle Falls, NY | 12848 | 518 |
| Middle Granville, NY | 12849 | 518 |
| North Argyle, NY | 12809 | 518 |
| North Granville, NY | 12854 | 518 |
| North Hebron, NY | 12832 | 518 |
| Putnam Station, NY | 12861 | 518 |
| Salem, NY | 12865 | 518 |
| Sandy Hill, NY | 12839 | 518 |
| Shushan, NY | 12873 | 518 |
| Slateville, NY | 12832 | 518 |
| South Argyle, NY | 12809 | 518 |
| South Bay Village, NY | 12827 | 518 |
| South Granville, NY | 12832 | 518 |
| Thomson, NY | 12834 | 518 |
| Truthville, NY | 12832 | 518 |
| West Fort Ann, NY | 12827 | 518 |
| West Hebron, NY | 12865 | 518 |
| Whitehall, NY | 12887 | 518 |