213 households (11.8%) were made up of individuals, and 93 (5.1%) had someone living alone who was 65 years of age or older. There were 143 (7.9%) unmarried opposite-sex partnerships, and 10 (0.6%) same-sex married couples or partnerships. There were 1,810 households, out of which 1,073 (59.3%) had children under the age of 18 living in them, 1,005 (55.5%) were opposite-sex married couples living together, 369 (20.4%) had a female householder with no husband present, 174 (9.6%) had a male householder with no wife present. The Census reported that 7,080 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized. Hispanic or Latino of any race were 6,103 persons (86.2%). The population density was 5,385.3 people per square mile (2,079.3/km 2). The 2010 United States Census reported that Guadalupe had a population of 7,080. According to the KГ¶ppen Climate Classification system, Guadalupe has a warm-summer Mediterranean climate, abbreviated 'Csb' on climate maps. This region experiences mildly warm and dry summers, with no average monthly temperatures above 71.6В вЏ.

The town consists of a tight cluster of buildings, surrounded completely by agricultural land. The Guadalupe-Nipomo Dunes Center serves as the education and research facility for the natural area.ДЄccording to the United States Census Bureau, the city has a total area of 1.3 square miles (3.4В km 2), 99.60% of it land and 0.40% of it water. Scenes from Pirates of the Caribbean: At World's End and Hidalgo have also been filmed here. DeMille's 1923 Ten Commandments and in 1998 The Odd Couple II.

Filmmakers have used this region as a setting for several films, including Cecil B. West of town, both in Santa Barbara County and north in adjacent San Luis Obispo County, is the Guadalupe-Nipomo Dunes, a large region of dune habitat along the Pacific Ocean shore. Hills rise to the south of the town on the other side of the hills is Vandenberg Air Force Base. The landscape in the vicinity of the town is mostly flat, with the predominant land use being agriculture and oil production. Guadalupe is located in the northwestern extremity of Santa Barbara County, immediately south of the Santa Maria River. The city name honors Our Lady of Guadalupe, which is the Catholic title given to the Virgin Mary. The small town was incorporated as the city of Guadalupe on May 19, 1946. Rancho Guadalupe was settled by pioneers of many unique backgrounds, such as European, Chinese, Filipino, Japanese, and Mexican. In 1840, following secularization of the mission, the area became part of the Rancho Guadalupe land grant. When Mission La Purisima was established in 1787, the area became part of the mission's pasture land. The lake has since mostly filled in, leaving a low-lying plain traversed by the Santa Maria River and several tributaries. Franciscan missionary and expedition member Juan Crespi noted in his diary that they found 'a very large lake'. The first European land exploration of Alta California, the Spanish PortolГ expedition, camped near today's Guadalupe on September 1, 1769.

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