There are 7 US Post Offices in Lea County serving a total of 58,521 residents equating to 8,360 residents per post office. It's estimated that approximately 93,406 packages are handled across the 7 county post offices annually. Lea County is a county located in the U.S. state of New Mexico. As of the 2010 census, the population was 64,727. Its county seat is Lovington. It is both west and north of the Texas state line. Lea County comprises the Hobbs, NM Micropolitan Statistical Area."