Livermore (formerly Livermores, Livermore Ranch, and Nottingham) is a city in Alameda County, California, in the United States. With an estimated 2017 population of 89,648, Livermore is the most populous city in the Tri-Valley. Livermore is located on the eastern edge of California’s San Francisco Bay Area. The incumbent Mayor of Livermore is John Marchand.
Livermore was founded by William Mendenhall and named for 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). Livermore is also the California site of Sandia National Laboratories, which is headquartered in Albuquerque, New Mexico. Its south side is home to local vineyards. The city has redeveloped its downtown district and is considered part of the Tri-Valley area, comprising Amador, Livermore and San Ramon valleys.
The 2010 United States Census reported that Livermore had a population of 80,968. The population density was 3,216.1 people per square mile (1,241.8/km²). The census reported that (99.4% of the population) lived in households, 389 (0.5%) lived in non-institutionalized group quarters, and 121 (0.1%) were institutionalized.
According to the latest census information, Livermore is the third wealthiest midsize (between 65,000 and 249,999 people) city in the nation. In 2005, the median household income in Livermore was $96,632, which ranked it the third highest-income midsize city, behind only the California cities of Newport Beach ($97,428) and Livermore’s western neighbor, Pleasanton ($101,022).
There were 29,134 households, out of which 11,238 (38.6%) had children under the age of 18 living in them, 17,058 (58.6%) were opposite-sex married couples living together, 2,834 (9.7%) had a female householder with no husband present, 1,407 (4.8%) had a male householder with no wife present. There were 1,584 (5.4%) unmarried opposite-sex partnerships, and 206 (0.7%) same-sex married couples or partnerships. The population age profile was spread out with 20,636 people (25.5%) under the age of 18, 6,176 people (7.6%) aged 18 to 24, 22,530 people (27.8%) aged 25 to 44, 23,284 people (28.8%) aged 45 to 64, and 8,342 people (10.3%) who were 65 years of age or older. The median age was 38.3 years. For every 100 females, there were 98.6 males. For every 100 females age 18 and over, there were 96.9 males. Of 5,997 households (20.6%) were made up of individuals and 2,099 (7.2%) had someone living alone who was 65 years of age or older. The average household size was 2.76. There were 21,299 families (73.1% of all households); the average family size was 3.19. There were 30,342 housing units at an average density of 1,205.2 per square mile (465.3/km²), of which 29,134 were occupied, of which 20,399 (70.0%) were owner-occupied, and 8,735 (30.0%) were occupied by renters.
The homeowner vacancy rate was 1.5%; the rental vacancy rate was 4.8%. 56,967 people (70.4% of the population) lived in owner-occupied housing units and 23,491 people (29.0%) lived in rental housing units.