Orange County is a county located in the U.S. state of Vermont. As of the 2020 census, the population was 29,277. Its shire town (county seat) is the town of Chelsea. Orange County was chartered on August 11, 1781.
Geography
According to the U.S. Census Bureau, the county has an area of , of which is land and (0.8%) is water. Orange County is located near the geographic center of the state.
Despite Orange County's hilly terrain, several major routes cross the county. The county is served by both of Vermont's main Interstate highways; with Interstate 89 running north–south through the western side of the county, and Interstate 91 running north–south along the county's eastern edge and the New Hampshire state line. In addition to the Interstates, two U.S. Routes also enter Orange County. U.S. Route 5 parallels I-91 in a north–south route along the county's eastern edge, while U.S. Route 302 runs east–west along the county's northern border with Caledonia County. There are also several Vermont state routes located partially or fully within Orange County. Vermont Route 12, Vermont Route 14, Vermont Route 25, and Vermont Route 110 are all north–south routes, while Vermont Route 66 and Vermont Route 113 are east–west routes.
Adjacent counties
- Caledonia County – northeast
- Grafton County, New Hampshire – east
- Windsor County – southwest
- Addison County – west
- Washington County – northwest