Founded in 1792, Washington County is one of 120 counties in the state of Kentucky. Historically, Washington County was formed from Jefferson County. The city of Springfield is the county seat. With FIPS code of 229, Washington County has a population of 12,072 and area of 301 square miles (780 km2).
List of all cities in Washington County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Mackville, KY | 40040 | 859 |
| Maud, KY | 40069 | 859 |
| Saint Catharine, KY | 40061 | 859 |
| Springfield, KY | 40069 | 859 |
| Willisburg, KY | 40078 | 859 |