Livermore (formerly Livermores, Livermore Ranch, and Nottingham) is a city in Alameda County. The estimated population as of 2011 was 82,039. Livermore is located on the eastern edge of California'sSan Francisco Bay Area. Livermore was founded by William Mendenhall and named after Robert Livermore, his friend and a local rancher who settled in the area in the 1840s. Livermore is the home of the Lawrence Livermore National Laboratory, for which the chemical element livermorium is named (and thus, placing the city's name in the periodic table). Its south side is home to local vineyards. The city has also redeveloped its downtown district. The city is considered part of the Tri-Valley area, including Amador, Livermore and San Ramon Valleys.