Eddy County is a county located in the U.S. state of New Mexico. As of the 2020 census, the population was 62,314. Its county seat and largest city is Carlsbad. The county was created in 1891 and later organized in 1892. It is north of the Texas state line.

Carlsbad is a city in and the county seat of Eddy County, New Mexico, United States. As of the 2020 census, the city population was 32,238. Carlsbad is centered at the intersection of U.S. Routes 62/180 and 285, and is the principal city of the Carlsbad-Artesia Micropolitan Statistical Area, which has a total population of 62,314. Located in the southeastern part of New Mexico, Carlsbad straddles the Pecos River and sits at the eastern edge of the Guadalupe Mountains.