Language Spoken At Home in Knox County
*Base on 2012 Data
| Population 5 years and over | 407,184 | 100% |
| English only | 382,711 | 94.0% |
| Language other than English | 24,473 | 6.0% |
| Speak English less than very well | 10,573 | 2.6% |
| Spanish | 11,160 | 2.7% |
| Speak English less than very well | 5,335 | 1.3% |
| Other Indo-European languages | 6,560 | 1.6% |
| Speak English less than very well | 2,008 | 0.5% |
| Asian and Pacific Islander languages | 4,974 | 1.2% |
| Speak English less than very well | 2,644 | 0.6% |
| Other languages | 1,779 | 0.4% |
| Speak English less than very well | 586 | 0.1% |
Ancestry in Knox County
*Base on 2012 Data
| Total population | 433,207 | 100% |
| American | 50,599 | 11.7% |
| Arab | 2,651 | 0.6% |
| Czech | 914 | 0.2% |
| Danish | 890 | 0.2% |
| Dutch | 7,986 | 1.8% |
| English | 71,604 | 16.5% |
| French (except Basque) | 9,613 | 2.2% |
| French Canadian | 1,271 | 0.3% |
| German | 67,841 | 15.7% |
| Greek | 1,619 | 0.4% |
| Hungarian | 1,377 | 0.3% |
| Irish | 53,106 | 12.3% |
| Italian | 11,766 | 2.7% |
| Lithuanian | 1,274 | 0.3% |
| Norwegian | 2,748 | 0.6% |
| Polish | 5,926 | 1.4% |
| Portuguese | 271 | 0.1% |
| Russian | 1,663 | 0.4% |
| Scotch-Irish | 16,845 | 3.9% |
| Scottish | 13,065 | 3.0% |
| Slovak | 327 | 0.1% |
| Subsaharan African | 3,634 | 0.8% |
| Swedish | 3,946 | 0.9% |
| Swiss | 1,156 | 0.3% |
| Ukrainian | 1,113 | 0.3% |
| Welsh | 3,887 | 0.9% |
| West Indian (excluding Hispanic origin groups) | 826 | 0.2% |
Households By Type in Knox County
*Base on 2012 Data
| Total households | 181,120 | 100% |
| Family households (families) | 108,439 | 59.9% |
| With own children under 18 years | 45,953 | 25.4% |
| Married-couple family | 84,384 | 46.6% |
| With own children under 18 years | 32,071 | 17.7% |
| Male householder, no wife present, family | 6,083 | 3.4% |
| With own children under 18 years | 3,372 | 1.9% |
| Female householder, no husband present, family | 17,972 | 9.9% |
| With own children under 18 years | 10,510 | 5.8% |
| Nonfamily households | 72,681 | 40.1% |
| Householder living alone | 62,284 | 34.4% |
| 65 years and over | 17,541 | 9.7% |
| Households with one or more people under 18 years | 50,983 | 28.1% |
| Households with one or more people 65 years and over | 40,973 | 22.6% |
| Average household size | 2 | 0% |
| Average family size | 3 | 0% |
Relationship in Knox County
*Base on 2012 Data
| Population in households | 420,753 | 100% |
| Householder | 181,120 | 43.0% |
| Spouse | 84,547 | 20.1% |
| Child | 112,068 | 26.6% |
| Other relatives | 20,440 | 4.9% |
| Nonrelatives | 22,578 | 5.4% |
| Unmarried partner | 8,047 | 1.9% |
Marital Status in Knox County
*Base on 2012 Data
| Males 15 years and over | 170,230 | 100% |
| Never married | 57,409 | 33.7% |
| Now married, except separated | 87,528 | 51.4% |
| Separated | 2,370 | 1.4% |
| Widowed | 4,966 | 2.9% |
| Divorced | 17,957 | 10.5% |
| Females 15 years and over | 184,369 | 100% |
| Never married | 50,935 | 27.6% |
| Now married, except separated | 90,097 | 48.9% |
| Separated | 2,987 | 1.6% |
| Widowed | 16,835 | 9.1% |
| Divorced | 23,515 | 12.8% |
Fertility in Knox County
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 5,178 | 100% |
| Unmarried women (widowed, divorced, and never married) | 1,650 | 31.9% |
| Per 1,000 unmarried women | 28 | 0% |
| Per 1,000 women 15 to 50 years old | 47 | 0% |
| Per 1,000 women 15 to 19 years old | 17 | 0% |
| Per 1,000 women 20 to 34 years old | 86 | 0% |
| Per 1,000 women 35 to 50 years old | 15 | 0% |
Grandparents in Knox County
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 7,218 | 100% |
| Responsible for grandchildren | 3,725 | 51.6% |
| Less than 1 year | 500 | 6.9% |
| 1 or 2 years | 914 | 12.7% |
| 3 or 4 years | 704 | 9.8% |
| 5 or more years | 1,607 | 22.3% |
| Number of grandparents responsible for own grandchildren under 18 years | 3,725 | 100% |
| Who are female | 2,385 | 64.0% |
| Who are married | 2,638 | 70.8% |
School Enrollment in Knox County
*Base on 2012 Data
| Population 3 years and over enrolled in school | 111,190 | 100% |
| Nursery school, preschool | 5,949 | 5.4% |
| Kindergarten | 5,065 | 4.6% |
| Elementary school (grades 1-8) | 41,062 | 36.9% |
| High school (grades 9-12) | 19,978 | 18.0% |
| College or graduate school | 39,136 | 35.2% |
Educational Attainment in Knox County
*Base on 2012 Data
| Population 25 years and over | 287,538 | 100% |
| Less than 9th grade | 10,681 | 3.7% |
| 9th to 12th grade, no diploma | 18,988 | 6.6% |
| High school graduate (includes equivalency) | 75,064 | 26.1% |
| Some college, no degree | 60,074 | 20.9% |
| Associate's degree | 24,190 | 8.4% |
| Bachelor's degree | 62,776 | 21.8% |
| Graduate or professional degree | 35,765 | 12.4% |
| Percent high school graduate or higher | 0 | 89.7% |
| Percent bachelor's degree or higher | 0 | 34.3% |
Veteran Status in Knox County
*Base on 2012 Data
| Civilian population 18 years and over | 338,556 | 100% |
| Civilian veterans | 28,842 | 8.5% |
Disability Status Of The Civilian Noninstitutionalized Population in Knox County
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 429,774 | 100% |
| With a disability | 49,929 | 11.6% |
| Under 18 years | 94,027 | 100% |
| With a disability | 3,577 | 3.8% |
| 18 to 64 years | 280,147 | 100% |
| With a disability | 26,891 | 9.6% |
| 65 years and over | 55,600 | 100% |
| With a disability | 19,461 | 35.0% |
Residence 1 Year Ago in Knox County
*Base on 2012 Data
| Population 1 year and over | 428,337 | 100% |
| Same house | 369,171 | 86.2% |
| Different house in the U.S. | 58,040 | 13.6% |
| Same county | 36,022 | 8.4% |
| Different county | 22,018 | 5.1% |
| Same state | 10,947 | 2.6% |
| Different state | 11,071 | 2.6% |
| Abroad | 1,126 | 0.3% |
Place Of Birth in Knox County
*Base on 2012 Data
| Total population | 433,207 | 100% |
| Native | 413,722 | 95.5% |
| Born in United States | 410,698 | 94.8% |
| State of residence | 268,369 | 61.9% |
| Different state | 142,329 | 32.9% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 3,024 | 0.7% |
| Foreign born | 19,485 | 4.5% |
U.S. Citizenship Status in Knox County
*Base on 2012 Data
| Foreign-born population | 19,485 | 100% |
| Naturalized U.S. citizen | 7,477 | 38.4% |
| Not a U.S. citizen | 12,008 | 61.6% |
Year of Entry in Knox County
*Base on 2012 Data
| Population born outside the United States | 22,509 | 100% |
| Native | 3,024 | 100% |
| Entered 2010 or later | 39 | 1.3% |
| Entered before 2010 | 2,985 | 98.7% |
| Foreign born | 19,485 | 100% |
| Entered 2010 or later | 721 | 3.7% |
| Entered before 2010 | 18,764 | 96.3% |
World Region Of Birth Of Foreign Born in Knox County
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 19,485 | 100% |
| Europe | 3,417 | 17.5% |
| Asia | 7,052 | 36.2% |
| Africa | 911 | 4.7% |
| Oceania | 104 | 0.5% |
| Latin America | 7,052 | 36.2% |
| Northern America | 949 | 4.9% |