1 definition found leadville - U.S. Gazetteer (1990) : Leadville, CO (city, FIPS 44320) Location: 39.24678 N, 106.29378 W Population (1990): 2629 (1519 housing units) Area: 2.7 sq km (land), 0.0 sq km (water) Zip code(s): 80461