| Official Name: | Blanco, Oklahoma |
| Pushpin Map: | Oklahoma#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oklahoma |
| Subdivision Type2: | County |
| Subdivision Name2: | Pittsburg |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.71 |
| Area Land Km2: | 1.70 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 0.66 |
| Area Land Sq Mi: | 0.66 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 105 |
| Population Density Km2: | 61.83 |
| Population Density Sq Mi: | 160.06 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 702 |
| Coordinates: | 34.7506°N -95.7733°W |
| Postal Code Type: | Zip code |
| Postal Code: | 74528 |
| Area Codes: | 539/918 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2629908 |
Blanco is a rural unincorporated community located on State Highway 63 in Pittsburg County, Oklahoma, United States. The ZIP code is 74528. The Census Bureau defined a census-designated place (CDP) for Blanco in 2015; the 2010 population within the 2015 CDP boundary is 96 and contains 52 housing units.
A post office was established at Blanco, Indian Territory on August 31, 1901. Blanco was named for Ramón Blanco y Erenas, one-time governor general of Cuba. The post office opened August 31, 1901.[2]
At the time of its founding, the community was located in the Moshulatubbee District of the Choctaw Nation. It was located in either Atoka County or Tobucksy County. The settlement was in the area of the county boundary, and differing maps of the era show it in each.[3]