Founded in 1792, Caledonia County is one of 14 counties in the state of Vermont. Historically, Caledonia County was formed from part of Orange County. The city of St. Johnsbury is the county seat. With FIPS code of 5, Caledonia County has a population of 30,403 and area of 651 square miles (1,686 km2).
List of all cities in Caledonia County, VT alphabetically
| City/Town | Postal Code | Area Code |
| Barnet, VT | 05821 | 802 |
| Barnet Center, VT | 05821 | 802 |
| Burke, VT | 05871 | 802 |
| Burke Mountain, VT | 05832 | 802 |
| Danville, VT | 05828 | 802 |
| Danville Center, VT | 05828 | 802 |
| East Burke, VT | 05832 | 802 |
| East Hardwick, VT | 05836 | 802 |
| East Lyndon, VT | 05851 | 802 |
| East Peacham, VT | 05862 | 802 |
| East Ryegate, VT | 05042 | 802 |
| East Saint Johnsbury, VT | 05838 | 802 |
| East Sutton Ridge, VT | 05867 | 802 |
| Groton, VT | 05046 | 802 |
| Hardwick, VT | 05843 | 802 |
| Inwood, VT | 05821 | 802 |
| Joes Pond, VT | 05873 | 802 |
| Johnsbury, VT | 05819 | 802 |
| Lower Waterford, VT | 05848 | 802 |
| Lyndon, VT | 05849 | 802 |
| Lyndon Center, VT | 05850 | 802 |
| Lyndon Corners, VT | 05849 | 802 |
| Lyndonville, VT | 05851 | 802 |
| Mackville, VT | 05843 | 802 |
| McIndoe Falls, VT | 05050 | 802 |
| Morses Mills, VT | 05861 | 802 |
| Mosquitoville, VT | 05042 | 802 |
| Newark, VT | 05871 | 802 |
| Newark Hollow, VT | 05871 | 802 |
| Newbury Center, VT | 05069 | 802 |
| Passumpsic, VT | 05861 | 802 |
| Peacham, VT | 05862 | 802 |
| Red Village, VT | 05851 | 802 |
| Ryegate, VT | 05042 | 802 |
| Ryegate Corner, VT | 05042 | 802 |
| Saint Johnsbury, VT | 05819 | 802 |
| Saint Johnsbury Center, VT | 05863 | 802 |
| Sheffield, VT | 05866 | 802 |
| Sheffield Square, VT | 05866 | 802 |
| South Peacham, VT | 05821 | 802 |
| South Ryegate, VT | 05069 | 802 |
| South Walden, VT | 05843 | 802 |
| South Wheelock, VT | 05851 | 802 |
| Sutton, VT | 05867 | 802 |
| Swamp Rd, VT | 05069 | 802 |
| Walden, VT | 05873 | 802 |
| Waterford, VT | 05819 | 802 |
| West Barnet, VT | 05821 | 802 |
| West Burke, VT | 05871 | 802 |
| West Danville, VT | 05873 | 802 |
| West Waterford, VT | 05819 | 802 |
| Wheelock, VT | 05851 | 802 |