Sierra County
Also known as Sierra County, New Mexico, Sierra County, NM
county in New Mexico, United States
Key facts
- Country
- United States
- State
- New Mexico
- Named after
- the Black Range (Spanish: Sierra Diablo
- Seat
- Truth or Consequences
- Largest city
- Truth or Consequences
- Total
- 4,236 sq mi (10,970 km )
- Land
- 4,179 sq mi (10,820 km )
- Water
- 57 sq mi (150 km ) 1.4%
- Estimate 2025
- 11,395
- Density
- 2.770/sq mi (1.070/km )
- Time zone
- UTC−7 ( Mountain )
- Summer dst
- UTC−6 ( MDT )
- Congressional district
Article
Sierra County (Spanish: Condado de Sierra) is a county located in the U.S. state of New Mexico. As of the 2020 Census, the population was 11,576. Its county seat is Truth or Consequences.
Geography