Belen
- County:
- Valencia County
- County Seat:
- No
- Area (mi²):
- 19.011
- State:
- New Mexico
Belen is a city located in Valencia County, New Mexico. Belen has a 2026 population of 7,556. Belen is currently growing at a rate of 1.34% annually and its population has increased by 2.64% since the most recent census, which recorded a population of 7,362 in 2020.