As of the census of 2000, there were 137,946 people, 54,542 households, and 36,270 families residing in the city. The population density was 2,593.1/km² (6,715.7/mi²). There were 55,967 housing units at an average density of 1,052.0/km² (2,724.7/mi²). The racial makeup of the city was 59.16% White, 28.61% Asian, 4.72% from two or more races, 4.57% from other races, 2.19% Black or African American, 0.41% Native American and 0.35% Pacific Islander. 12.79% of the population were Hispanic or Latino of any race.
There were 54,542 households out of which 31.1% had children under the age of 18 living with them, 52.1% were married couples living together, 10.3% had a female householder with no husband present, and 33.5% were non-families. 27.5% of all households were made up of individuals and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 3.10.
In the city the population was spread out with 23.0% under the age of 18, 6.8% from 18 to 24, 32.4% from 25 to 44, 23.8% from 45 to 64, and 14.1% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 94.7 males. For every 100 females age 18 and over, there were 91.5 males.
According to a 2007 estimate, the median income for a household in the city was $70,834, and the median income for a family was $84,711.[4] Males had a median income of $51,472 versus $37,114 for females. The per capita income for the city was $28,144. About 4.5% of families and 6.4% of the population were below the poverty line, including 7.0% of those under age 18 and 6.8% of those age 65 or over.
Highways and freeways in the region include I-110, I-405, SR 91, SR 107, and SR 1. Rail transport includes the historic Harbor Subdivision which carries Union Pacific and BNSF lines. The city also has Torrance Transit and LACMTA Metro bus services.
In the state legislature Torrance is located in the 28th Senate District, represented by Democrat Jenny Oropeza, and in the 53rd Assembly District, represented by Democrat Ted Lieu. Federally, Torrance is located in California's 36th congressional district, which has a Cook PVI of D +11 and is represented by Democrat Jane Harman.