| Official Name: | Blackgum, Oklahoma |
| Pushpin Map: | Oklahoma#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oklahoma |
| Subdivision Type2: | County |
| Subdivision Name2: | Sequoyah |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.57 |
| Area Land Km2: | 0.56 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.22 |
| Area Land Sq Mi: | 0.22 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 47 |
| Population Density Km2: | 83.42 |
| Population Density Sq Mi: | 215.60 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 915 |
| Coordinates: | 35.6111°N -94.99°W |
| Area Codes: | 918 & 539 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2584374 |
Blackgum is an unincorporated community and census-designated place in Sequoyah County, Oklahoma, United States. Its population was 51 as of the 2010 census.[2] Oklahoma State Highway 100 passes through the community.
Blackgum had a post office from June 17, 1895, until February 15, 1995. It was named for the blackgum tree.[3]
According to the U.S. Census Bureau, the community has an area of ; of its area is land, and is water.[2]