La Boca
- County:
- Rio Arriba County
- County Seat:
- No
- Area (mi²):
- 0.557
- State:
- New Mexico
La Boca is a CDP located in Rio Arriba County, New Mexico. La Boca has a 2025 population of 96. La Boca is currently growing at a rate of 6.67% annually and its population has increased by 4.35% since the most recent census, which recorded a population of 92 in 2020.