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Language Spoken At Home in Santa Clara County
*Base on 2012 Data
| Population 5 years and over | 1,663,696 | 100% |
| English only | 817,750 | 49.2% |
| Language other than English | 845,946 | 50.8% |
| Speak English less than very well | 357,924 | 21.5% |
| Spanish | 314,575 | 18.9% |
| Speak English less than very well | 139,415 | 8.4% |
| Other Indo-European languages | 132,932 | 8.0% |
| Speak English less than very well | 33,342 | 2.0% |
| Asian and Pacific Islander languages | 380,488 | 22.9% |
| Speak English less than very well | 179,755 | 10.8% |
| Other languages | 17,951 | 1.1% |
| Speak English less than very well | 5,412 | 0.3% |
Ancestry in Santa Clara County
*Base on 2012 Data
| Total population | 1,788,393 | 100% |
| American | 29,466 | 1.6% |
| Arab | 10,456 | 0.6% |
| Czech | 4,351 | 0.2% |
| Danish | 8,647 | 0.5% |
| Dutch | 15,938 | 0.9% |
| English | 101,018 | 5.6% |
| French (except Basque) | 32,304 | 1.8% |
| French Canadian | 5,051 | 0.3% |
| German | 138,673 | 7.8% |
| Greek | 6,064 | 0.3% |
| Hungarian | 4,880 | 0.3% |
| Irish | 103,301 | 5.8% |
| Italian | 82,704 | 4.6% |
| Lithuanian | 1,909 | 0.1% |
| Norwegian | 18,355 | 1.0% |
| Polish | 21,322 | 1.2% |
| Portuguese | 26,868 | 1.5% |
| Russian | 20,975 | 1.2% |
| Scotch-Irish | 9,122 | 0.5% |
| Scottish | 23,245 | 1.3% |
| Slovak | 1,535 | 0.1% |
| Subsaharan African | 11,797 | 0.7% |
| Swedish | 19,481 | 1.1% |
| Swiss | 6,317 | 0.4% |
| Ukrainian | 4,838 | 0.3% |
| Welsh | 7,491 | 0.4% |
| West Indian (excluding Hispanic origin groups) | 1,536 | 0.1% |
Households By Type in Santa Clara County
*Base on 2012 Data
| Total households | 604,455 | 100% |
| Family households (families) | 430,878 | 71.3% |
| With own children under 18 years | 214,633 | 35.5% |
| Married-couple family | 335,323 | 55.5% |
| With own children under 18 years | 170,719 | 28.2% |
| Male householder, no wife present, family | 31,594 | 5.2% |
| With own children under 18 years | 12,933 | 2.1% |
| Female householder, no husband present, family | 63,961 | 10.6% |
| With own children under 18 years | 30,981 | 5.1% |
| Nonfamily households | 173,577 | 28.7% |
| Householder living alone | 133,683 | 22.1% |
| 65 years and over | 42,206 | 7.0% |
| Households with one or more people under 18 years | 233,879 | 38.7% |
| Households with one or more people 65 years and over | 137,725 | 22.8% |
| Average household size | 3 | 0% |
| Average family size | 3 | 0% |
Relationship in Santa Clara County
*Base on 2012 Data
| Population in households | 1,757,171 | 100% |
| Householder | 604,455 | 34.4% |
| Spouse | 335,227 | 19.1% |
| Child | 540,369 | 30.8% |
| Other relatives | 165,105 | 9.4% |
| Nonrelatives | 112,015 | 6.4% |
| Unmarried partner | 33,563 | 1.9% |
Marital Status in Santa Clara County
*Base on 2012 Data
| Males 15 years and over | 713,906 | 100% |
| Never married | 260,913 | 36.5% |
| Now married, except separated | 382,654 | 53.6% |
| Separated | 9,126 | 1.3% |
| Widowed | 13,161 | 1.8% |
| Divorced | 48,052 | 6.7% |
| Females 15 years and over | 714,672 | 100% |
| Never married | 202,826 | 28.4% |
| Now married, except separated | 375,124 | 52.5% |
| Separated | 13,513 | 1.9% |
| Widowed | 54,655 | 7.6% |
| Divorced | 68,554 | 9.6% |
Fertility in Santa Clara County
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 27,502 | 100% |
| Unmarried women (widowed, divorced, and never married) | 5,522 | 20.1% |
| Per 1,000 unmarried women | 25 | 0% |
| Per 1,000 women 15 to 50 years old | 60 | 0% |
| Per 1,000 women 15 to 19 years old | 18 | 0% |
| Per 1,000 women 20 to 34 years old | 96 | 0% |
| Per 1,000 women 35 to 50 years old | 40 | 0% |
Grandparents in Santa Clara County
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 47,851 | 100% |
| Responsible for grandchildren | 10,868 | 22.7% |
| Less than 1 year | 2,129 | 4.4% |
| 1 or 2 years | 2,736 | 5.7% |
| 3 or 4 years | 2,112 | 4.4% |
| 5 or more years | 3,891 | 8.1% |
| Number of grandparents responsible for own grandchildren under 18 years | 10,868 | 100% |
| Who are female | 6,497 | 59.8% |
| Who are married | 8,264 | 76.0% |
School Enrollment in Santa Clara County
*Base on 2012 Data
| Population 3 years and over enrolled in school | 494,659 | 100% |
| Nursery school, preschool | 32,549 | 6.6% |
| Kindergarten | 27,019 | 5.5% |
| Elementary school (grades 1-8) | 183,584 | 37.1% |
| High school (grades 9-12) | 96,057 | 19.4% |
| College or graduate school | 155,450 | 31.4% |
Educational Attainment in Santa Clara County
*Base on 2012 Data
| Population 25 years and over | 1,200,542 | 100% |
| Less than 9th grade | 87,865 | 7.3% |
| 9th to 12th grade, no diploma | 74,202 | 6.2% |
| High school graduate (includes equivalency) | 188,647 | 15.7% |
| Some college, no degree | 209,656 | 17.5% |
| Associate's degree | 87,520 | 7.3% |
| Bachelor's degree | 309,774 | 25.8% |
| Graduate or professional degree | 242,878 | 20.2% |
| Percent high school graduate or higher | 0 | 86.5% |
| Percent bachelor's degree or higher | 0 | 46.0% |
Veteran Status in Santa Clara County
*Base on 2012 Data
| Civilian population 18 years and over | 1,358,773 | 100% |
| Civilian veterans | 69,334 | 5.1% |
Disability Status Of The Civilian Noninstitutionalized Population in Santa Clara County
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 1,777,729 | 100% |
| With a disability | 137,074 | 7.7% |
| Under 18 years | 428,556 | 100% |
| With a disability | 9,299 | 2.2% |
| 18 to 64 years | 1,154,416 | 100% |
| With a disability | 62,221 | 5.4% |
| 65 years and over | 194,757 | 100% |
| With a disability | 65,554 | 33.7% |
Residence 1 Year Ago in Santa Clara County
*Base on 2012 Data
| Population 1 year and over | 1,765,121 | 100% |
| Same house | 1,497,460 | 84.8% |
| Different house in the U.S. | 242,323 | 13.7% |
| Same county | 176,240 | 10.0% |
| Different county | 66,083 | 3.7% |
| Same state | 42,938 | 2.4% |
| Different state | 23,145 | 1.3% |
| Abroad | 25,338 | 1.4% |
Place Of Birth in Santa Clara County
*Base on 2012 Data
| Total population | 1,788,393 | 100% |
| Native | 1,129,640 | 63.2% |
| Born in United States | 1,106,561 | 61.9% |
| State of residence | 824,002 | 46.1% |
| Different state | 282,559 | 15.8% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 23,079 | 1.3% |
| Foreign born | 658,753 | 36.8% |
U.S. Citizenship Status in Santa Clara County
*Base on 2012 Data
| Foreign-born population | 658,753 | 100% |
| Naturalized U.S. citizen | 339,159 | 51.5% |
| Not a U.S. citizen | 319,594 | 48.5% |
Year of Entry in Santa Clara County
*Base on 2012 Data
| Population born outside the United States | 681,832 | 100% |
| Native | 23,079 | 100% |
| Entered 2010 or later | 453 | 2.0% |
| Entered before 2010 | 22,626 | 98.0% |
| Foreign born | 658,753 | 100% |
| Entered 2010 or later | 20,874 | 3.2% |
| Entered before 2010 | 637,879 | 96.8% |
World Region Of Birth Of Foreign Born in Santa Clara County
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 658,753 | 100% |
| Europe | 51,588 | 7.8% |
| Asia | 410,190 | 62.3% |
| Africa | 9,400 | 1.4% |
| Oceania | 3,035 | 0.5% |
| Latin America | 174,959 | 26.6% |
| Northern America | 9,581 | 1.5% |