| Official Name: | Boulder Junction, Wisconsin |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Wisconsin |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Wisconsin |
| Subdivision Type2: | County |
| Subdivision Name2: | Vilas |
| Area Total Sq Mi: | 1.146 |
| Area Land Sq Mi: | 1.146 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2010 |
| Population Total: | 183 |
| Population Density Sq Mi: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1650 |
| Coordinates: | 46.1133°N -89.6447°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 54512 |
| Area Code: | 715 & 534 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1562091 |
Boulder Junction is an unincorporated census-designated place located in the town of Boulder Junction, Vilas County, Wisconsin, United States. Boulder Junction is 23miles northwest of Eagle River. Boulder Junction has a post office with ZIP code 54512.[1] As of the 2010 census, its population was 183.[2]