Chinese are the largest Asian ethnic group in Sacramento, followed by Filipino, Indian, Vietnamese, and Hmong. 2010 census The 2010 United States Census reported Sacramento had a population of 466,488. The population density was . Hispanic or Latino of any race were 138,165 persons (26.9%); 22.6% of Sacramento's population is of Mexican heritage which amounts to over four-fifths of the city's Hispanic/Latino diaspora, 0.7% Puerto Rican, 0.5% Salvadoran, 0.2% Guatemalan, and 0.2% Nicaraguan. Non-Hispanic Whites were 34.5% of the population in 2010, down from 71.4% in 1970. The Census reported 458,174 people (98.2% of the population) lived in households, 4,268 (0.9%) lived in non-institutionalized group quarters, and 4,046 (0.9%) were institutionalized. The recent housing crash has not impacted these numbers. There were 174,624 households, out of which 57,870 (33.1%) had children under the age of 18 living in them, 65,556 (37.5%) were opposite-sex married couples living together, 27,640 (15.8%) had a female householder with no husband present, 10,534 (6.0%) had a male householder with no wife present. There were 13,234 (7.6%) unmarried opposite-sex partnerships, and 2,498 (1.4%) same-sex married couples or partnerships. 53,342 households (30.5%) were made up of individuals, and 14,926 (8.5%) had someone living alone who was 65 years of age or older. The average household size was 2.62. There were 103,730 families (59.4% of all households); the average family size was 3.37. The age distribution of the city is as follows: 116,121 people (24.9%) were under the age of 18, 52,438 people (11.2%) aged 18 to 24, 139,093 people (29.8%) aged 25 to 44, 109,416 people (23.5%) aged 45 to 64, and 49,420 people (10.6%) who were 65 years of age or older. The median age was 33.0 years. For every 100 females, there were 94.9 males. For every 100 females aged 18 and over, there were 92.2 males. There were 190,911 housing units at an average density of , of which 86,271 (49.4%) were owner-occupied, and 88,353 (50.6%) were occupied by renters. The homeowner vacancy rate was 2.8%; the rental vacancy rate was 8.3%. 231,593 people (49.6% of the population) lived in owner-occupied housing units and 226,581 people (48.6%) lived in rental housing units. Sacramento has one of the highest LGBT populations per capita, ranking seventh among major American cities, and third in California behind San Francisco and slightly behind Oakland, with roughly 10% of the city's total population identifying themselves as gay, lesbian, transgender, or