Palo Alto is a charter city located in the northwest corner of Santa Clara County, California, United States, in the San Francisco Bay Area. Palo Alto means tall tree in Spanish; the city is named after a coastal redwood tree called El Palo Alto.
The city was established by Leland Stanford Sr. when he founded Stanford University, following the death of his son, Leland Stanford Jr. Palo Alto includes portions of Stanford University and shares its borders with East Palo Alto, Mountain View, Los Altos, Los Altos Hills, Stanford, Portola Valley, and Menlo Park. As of the 2010 census, the city’s total resident population is 64,403. Palo Alto is one of the five most expensive cities in the United States to live in and its residents are among the highest educated in the country.
Palo Alto is headquarters to a number of high-technology companies, including Hewlett-Packard (HP), Space Systems/Loral, VMware, Tesla, Ford Research and Innovation Center, PARC, IDEO, Skype, Palantir Technologies, Houzz, and Lockheed Martin Advanced Technology Center. Palo Alto has also served as an incubator and as headquarters to several other prominent high-technology companies such as Apple, Google, Facebook, Logitech, Intuit, Pinterest, and PayPal.
The 2010 United States Census reported that Palo Alto had a population of 64,403. The population density was 2,497.5 people per square mile (964.3/km²). The racial makeup of Palo Alto was 41,359 (64.2%) White, 17,461 (27.1%) Asian, 1,197 (1.9%) African American, 121 (0.2%) Native American, 142 (0.2%) Pacific Islander, 1,426 (2.2%) from other races, and 2,697 (4.2%) from two or more races. Hispanic or Latino of any race were 3,974 persons (6.2%).
The Census reported that 63,820 people (99.1% of the population) lived in households, 205 (0.3%) lived in non-institutionalized group quarters, and 378 (0.6%) were institutionalized.
There were 26,493 households, out of which 8,624 (32.6%) had children under the age of 18 living in them, 13,975 (52.7%) were opposite-sex married couples living together, 1,843 (7.0%) had a female householder with no husband present, 659 (2.5%) had a male householder with no wife present. There were 979 (3.7%) unmarried opposite-sex partnerships, and 188 (0.7%) same-sex married couples or partnerships. 7,982 households (30.1%) were made up of individuals and 3,285 (12.4%) had someone living alone who was 65 years of age or older. The average household size was 2.41. There were 16,477 families (62.2% of all households); the average family size was 3.04.
The population was spread out with 15,079 people (23.4%) under the age of 18, 3,141 people (4.9%) aged 18 to 24, 17,159 people (26.6%) aged 25 to 44, 18,018 people (28.0%) aged 45 to 64, and 11,006 people (17.1%) who were 65 years of age or older. The median age was 41.9 years. For every 100 females, there were 95.7 males. For every 100 females age 18 and over, there were 93.0 males.
There were 28,216 housing units at an average density of 1,094.2 per square mile (422.5/km²), of which 14,766 (55.7%) were owner-occupied, and 11,727 (44.3%) were occupied by renters. The homeowner vacancy rate was 1.5%; the rental vacancy rate was 5.6%. 39,176 people (60.8% of the population) lived in owner-occupied housing units and 24,644 people (38.3%) lived in rental housing units.