Language Spoken At Home in Johnson County
*Base on 2012 Data
| Population 5 years and over | 123,607 | 100% |
| English only | 107,445 | 86.9% |
| Language other than English | 16,162 | 13.1% |
| Speak English less than very well | 5,822 | 4.7% |
| Spanish | 5,042 | 4.1% |
| Speak English less than very well | 2,047 | 1.7% |
| Other Indo-European languages | 4,090 | 3.3% |
| Speak English less than very well | 852 | 0.7% |
| Asian and Pacific Islander languages | 4,902 | 4.0% |
| Speak English less than very well | 2,244 | 1.8% |
| Other languages | 2,128 | 1.7% |
| Speak English less than very well | 679 | 0.5% |
Ancestry in Johnson County
*Base on 2012 Data
| Total population | 131,627 | 100% |
| American | 4,589 | 3.5% |
| Arab | 1,463 | 1.1% |
| Czech | 5,462 | 4.1% |
| Danish | 2,191 | 1.7% |
| Dutch | 3,963 | 3.0% |
| English | 12,528 | 9.5% |
| French (except Basque) | 3,366 | 2.6% |
| French Canadian | 363 | 0.3% |
| German | 46,569 | 35.4% |
| Greek | 391 | 0.3% |
| Hungarian | 197 | 0.1% |
| Irish | 22,529 | 17.1% |
| Italian | 4,241 | 3.2% |
| Lithuanian | 203 | 0.2% |
| Norwegian | 5,565 | 4.2% |
| Polish | 2,953 | 2.2% |
| Portuguese | 122 | 0.1% |
| Russian | 900 | 0.7% |
| Scotch-Irish | 1,344 | 1.0% |
| Scottish | 3,195 | 2.4% |
| Slovak | 165 | 0.1% |
| Subsaharan African | 1,960 | 1.5% |
| Swedish | 3,847 | 2.9% |
| Swiss | 1,197 | 0.9% |
| Ukrainian | 67 | 0.1% |
| Welsh | 1,084 | 0.8% |
| West Indian (excluding Hispanic origin groups) | 302 | 0.2% |
Households By Type in Johnson County
*Base on 2012 Data
| Total households | 52,826 | 100% |
| Family households (families) | 28,411 | 53.8% |
| With own children under 18 years | 13,203 | 25.0% |
| Married-couple family | 22,287 | 42.2% |
| With own children under 18 years | 9,536 | 18.1% |
| Male householder, no wife present, family | 1,740 | 3.3% |
| With own children under 18 years | 770 | 1.5% |
| Female householder, no husband present, family | 4,384 | 8.3% |
| With own children under 18 years | 2,897 | 5.5% |
| Nonfamily households | 24,415 | 46.2% |
| Householder living alone | 16,678 | 31.6% |
| 65 years and over | 3,593 | 6.8% |
| Households with one or more people under 18 years | 13,837 | 26.2% |
| Households with one or more people 65 years and over | 8,003 | 15.1% |
| Average household size | 2 | 0% |
| Average family size | 3 | 0% |
Relationship in Johnson County
*Base on 2012 Data
| Population in households | 123,411 | 100% |
| Householder | 52,826 | 42.8% |
| Spouse | 22,359 | 18.1% |
| Child | 29,475 | 23.9% |
| Other relatives | 3,447 | 2.8% |
| Nonrelatives | 15,304 | 12.4% |
| Unmarried partner | 3,662 | 3.0% |
Marital Status in Johnson County
*Base on 2012 Data
| Males 15 years and over | 54,441 | 100% |
| Never married | 25,575 | 47.0% |
| Now married, except separated | 23,690 | 43.5% |
| Separated | 405 | 0.7% |
| Widowed | 547 | 1.0% |
| Divorced | 4,224 | 7.8% |
| Females 15 years and over | 55,108 | 100% |
| Never married | 23,102 | 41.9% |
| Now married, except separated | 23,354 | 42.4% |
| Separated | 406 | 0.7% |
| Widowed | 2,728 | 5.0% |
| Divorced | 5,518 | 10.0% |
Fertility in Johnson County
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 1,682 | 100% |
| Unmarried women (widowed, divorced, and never married) | 324 | 19.3% |
| Per 1,000 unmarried women | 13 | 0% |
| Per 1,000 women 15 to 50 years old | 43 | 0% |
| Per 1,000 women 15 to 19 years old | 6 | 0% |
| Per 1,000 women 20 to 34 years old | 63 | 0% |
| Per 1,000 women 35 to 50 years old | 27 | 0% |
Grandparents in Johnson County
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 800 | 100% |
| Responsible for grandchildren | 445 | 55.6% |
| Less than 1 year | 117 | 14.6% |
| 1 or 2 years | 141 | 17.6% |
| 3 or 4 years | 111 | 13.9% |
| 5 or more years | 76 | 9.5% |
| Number of grandparents responsible for own grandchildren under 18 years | 445 | 100% |
| Who are female | 277 | 62.2% |
| Who are married | 327 | 73.5% |
School Enrollment in Johnson County
*Base on 2012 Data
| Population 3 years and over enrolled in school | 49,757 | 100% |
| Nursery school, preschool | 2,477 | 5.0% |
| Kindergarten | 1,332 | 2.7% |
| Elementary school (grades 1-8) | 11,049 | 22.2% |
| High school (grades 9-12) | 4,835 | 9.7% |
| College or graduate school | 30,064 | 60.4% |
Educational Attainment in Johnson County
*Base on 2012 Data
| Population 25 years and over | 76,798 | 100% |
| Less than 9th grade | 1,637 | 2.1% |
| 9th to 12th grade, no diploma | 2,093 | 2.7% |
| High school graduate (includes equivalency) | 13,387 | 17.4% |
| Some college, no degree | 13,717 | 17.9% |
| Associate's degree | 6,644 | 8.7% |
| Bachelor's degree | 21,484 | 28.0% |
| Graduate or professional degree | 17,836 | 23.2% |
| Percent high school graduate or higher | 0 | 95.1% |
| Percent bachelor's degree or higher | 0 | 51.2% |
Veteran Status in Johnson County
*Base on 2012 Data
| Civilian population 18 years and over | 105,581 | 100% |
| Civilian veterans | 6,921 | 6.6% |
Disability Status Of The Civilian Noninstitutionalized Population in Johnson County
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 130,168 | 100% |
| With a disability | 9,495 | 7.3% |
| Under 18 years | 25,911 | 100% |
| With a disability | 756 | 2.9% |
| 18 to 64 years | 93,328 | 100% |
| With a disability | 5,412 | 5.8% |
| 65 years and over | 10,929 | 100% |
| With a disability | 3,327 | 30.4% |
Residence 1 Year Ago in Johnson County
*Base on 2012 Data
| Population 1 year and over | 130,032 | 100% |
| Same house | 95,440 | 73.4% |
| Different house in the U.S. | 32,999 | 25.4% |
| Same county | 18,220 | 14.0% |
| Different county | 14,779 | 11.4% |
| Same state | 7,652 | 5.9% |
| Different state | 7,127 | 5.5% |
| Abroad | 1,593 | 1.2% |
Place Of Birth in Johnson County
*Base on 2012 Data
| Total population | 131,627 | 100% |
| Native | 119,467 | 90.8% |
| Born in United States | 118,480 | 90.0% |
| State of residence | 77,768 | 59.1% |
| Different state | 40,712 | 30.9% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 987 | 0.7% |
| Foreign born | 12,160 | 9.2% |
U.S. Citizenship Status in Johnson County
*Base on 2012 Data
| Foreign-born population | 12,160 | 100% |
| Naturalized U.S. citizen | 3,932 | 32.3% |
| Not a U.S. citizen | 8,228 | 67.7% |
Year of Entry in Johnson County
*Base on 2012 Data
| Population born outside the United States | 13,147 | 100% |
| Native | 987 | 100% |
| Entered 2010 or later | 4 | 0.4% |
| Entered before 2010 | 983 | 99.6% |
| Foreign born | 12,160 | 100% |
| Entered 2010 or later | 1,223 | 10.1% |
| Entered before 2010 | 10,937 | 89.9% |
World Region Of Birth Of Foreign Born in Johnson County
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 12,160 | 100% |
| Europe | 1,191 | 9.8% |
| Asia | 6,224 | 51.2% |
| Africa | 1,891 | 15.6% |
| Oceania | 24 | 0.2% |
| Latin America | 2,569 | 21.1% |
| Northern America | 261 | 2.1% |