| Official Name: | Arenas Valley, New Mexico |
| Settlement Type: | Census-designated place |
| Pushpin Map: | New Mexico#USA |
| Pushpin Label: | Arenas Valley |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New Mexico |
| Subdivision Type2: | County |
| Subdivision Name2: | Grant |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 10.53 |
| Area Land Km2: | 10.53 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 4.07 |
| Area Land Sq Mi: | 4.07 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 1291 |
| Population Density Km2: | 122.57 |
| Population Density Sq Mi: | 317.43 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 6053 |
| Coordinates: | 32.7764°N -108.2031°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 88022 |
| Area Code: | 575 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2584051 |
Arenas Valley is a census-designated place in Grant County, New Mexico, United States. Its population was 1,522 as of the 2010 census. Arenas Valley had a post office from December 20, 1944, to April 20, 1987; it still has its own ZIP code, 88022.[2] [3] It was named because it was in the valley of the Rio de Arenas.[4]