| Official Name: | Wellton Hills, Arizona |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Arizona |
| Pushpin Label: | Wellton Hills |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Arizona |
| Subdivision Type2: | County |
| Subdivision Name2: | Yuma |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.66 |
| Area Land Km2: | 1.66 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.64 |
| Area Land Sq Mi: | 0.64 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 167 |
| Population Density Km2: | 100.84 |
| Population Density Sq Mi: | 261.35 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Elevation Ft: | 364 |
| Coordinates: | 32.6231°N -114.1453°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 85356[2] |
| Area Code: | 928 |
| Blank Name: | GNIS feature ID |
Wellton Hills is a census-designated place in Yuma County, in the U.S. state of Arizona. The population was 258 at the 2010 census.[3]
According to the U.S. Census Bureau, the community has an area of, all land.[3] Wellton Hills is located across from the Barry M. Goldwater Air Force Range. Wellton Hills terrain consists of the Sonoran Desert. This range is both used by the Department of Defense for training purposes and is a major hub for illegal immigration. In 2012, a new $22 million Border Patrol facility was opened to combat this.[4]