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Language Spoken At Home in Rock Island City
*Base on 2012 Data
| Population 5 years and over | 646 | 100% |
| English only | 340 | 52.6% |
| Language other than English | 306 | 47.4% |
| Speak English less than very well | 138 | 21.4% |
| Spanish | 306 | 47.4% |
| Speak English less than very well | 138 | 21.4% |
| Other Indo-European languages | 0 | 0.0% |
| Speak English less than very well | 0 | 0.0% |
| Asian and Pacific Islander languages | 0 | 0.0% |
| Speak English less than very well | 0 | 0.0% |
| Other languages | 0 | 0.0% |
| Speak English less than very well | 0 | 0.0% |
Ancestry in Rock Island City
*Base on 2012 Data
| Total population | 689 | 100% |
| American | 6 | 0.9% |
| Arab | 0 | 0.0% |
| Czech | 0 | 0.0% |
| Danish | 26 | 3.8% |
| Dutch | 15 | 2.2% |
| English | 55 | 8.0% |
| French (except Basque) | 6 | 0.9% |
| French Canadian | 0 | 0.0% |
| German | 71 | 10.3% |
| Greek | 4 | 0.6% |
| Hungarian | 0 | 0.0% |
| Irish | 61 | 8.9% |
| Italian | 18 | 2.6% |
| Lithuanian | 0 | 0.0% |
| Norwegian | 24 | 3.5% |
| Polish | 0 | 0.0% |
| Portuguese | 0 | 0.0% |
| Russian | 0 | 0.0% |
| Scotch-Irish | 0 | 0.0% |
| Scottish | 8 | 1.2% |
| Slovak | 0 | 0.0% |
| Subsaharan African | 0 | 0.0% |
| Swedish | 6 | 0.9% |
| Swiss | 0 | 0.0% |
| Ukrainian | 0 | 0.0% |
| Welsh | 0 | 0.0% |
| West Indian (excluding Hispanic origin groups) | 0 | 0.0% |
Households By Type in Rock Island City
*Base on 2012 Data
| Total households | 285 | 100% |
| Family households (families) | 183 | 64.2% |
| With own children under 18 years | 77 | 27.0% |
| Married-couple family | 124 | 43.5% |
| With own children under 18 years | 52 | 18.2% |
| Male householder, no wife present, family | 29 | 10.2% |
| With own children under 18 years | 16 | 5.6% |
| Female householder, no husband present, family | 30 | 10.5% |
| With own children under 18 years | 9 | 3.2% |
| Nonfamily households | 102 | 35.8% |
| Householder living alone | 81 | 28.4% |
| 65 years and over | 24 | 8.4% |
| Households with one or more people under 18 years | 110 | 38.6% |
| Households with one or more people 65 years and over | 63 | 22.1% |
| Average household size | 2 | 0% |
| Average family size | 3 | 0% |
Relationship in Rock Island City
*Base on 2012 Data
| Population in households | 689 | 100% |
| Householder | 285 | 41.4% |
| Spouse | 107 | 15.5% |
| Child | 153 | 22.2% |
| Other relatives | 85 | 12.3% |
| Nonrelatives | 59 | 8.6% |
| Unmarried partner | 33 | 4.8% |
Marital Status in Rock Island City
*Base on 2012 Data
| Males 15 years and over | 299 | 100% |
| Never married | 131 | 43.8% |
| Now married, except separated | 131 | 43.8% |
| Separated | 0 | 0.0% |
| Widowed | 16 | 5.4% |
| Divorced | 21 | 7.0% |
| Females 15 years and over | 240 | 100% |
| Never married | 69 | 28.8% |
| Now married, except separated | 118 | 49.2% |
| Separated | 6 | 2.5% |
| Widowed | 22 | 9.2% |
| Divorced | 25 | 10.4% |
Fertility in Rock Island City
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 12 | 100% |
| Unmarried women (widowed, divorced, and never married) | 0 | 0.0% |
| Per 1,000 unmarried women | 0 | 0% |
| Per 1,000 women 15 to 50 years old | 79 | 0% |
| Per 1,000 women 15 to 19 years old | 0 | 0% |
| Per 1,000 women 20 to 34 years old | 78 | 0% |
| Per 1,000 women 35 to 50 years old | 93 | 0% |
Grandparents in Rock Island City
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 13 | 100% |
| Responsible for grandchildren | 6 | 46.2% |
| Less than 1 year | 0 | 0.0% |
| 1 or 2 years | 0 | 0.0% |
| 3 or 4 years | 0 | 0.0% |
| 5 or more years | 6 | 46.2% |
| Number of grandparents responsible for own grandchildren under 18 years | 6 | 100% |
| Who are female | 6 | 100.0% |
| Who are married | 3 | 50.0% |
School Enrollment in Rock Island City
*Base on 2012 Data
| Population 3 years and over enrolled in school | 151 | 100% |
| Nursery school, preschool | 4 | 2.6% |
| Kindergarten | 3 | 2.0% |
| Elementary school (grades 1-8) | 84 | 55.6% |
| High school (grades 9-12) | 47 | 31.1% |
| College or graduate school | 13 | 8.6% |
Educational Attainment in Rock Island City
*Base on 2012 Data
| Population 25 years and over | 429 | 100% |
| Less than 9th grade | 70 | 16.3% |
| 9th to 12th grade, no diploma | 53 | 12.4% |
| High school graduate (includes equivalency) | 160 | 37.3% |
| Some college, no degree | 83 | 19.3% |
| Associate's degree | 50 | 11.7% |
| Bachelor's degree | 13 | 3.0% |
| Graduate or professional degree | 0 | 0.0% |
| Percent high school graduate or higher | 0 | 71.3% |
| Percent bachelor's degree or higher | 0 | 3.0% |
Veteran Status in Rock Island City
*Base on 2012 Data
| Civilian population 18 years and over | 519 | 100% |
| Civilian veterans | 55 | 10.6% |
Disability Status Of The Civilian Noninstitutionalized Population in Rock Island City
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 689 | 100% |
| With a disability | 190 | 27.6% |
| Under 18 years | 170 | 100% |
| With a disability | 17 | 10.0% |
| 18 to 64 years | 433 | 100% |
| With a disability | 120 | 27.7% |
| 65 years and over | 86 | 100% |
| With a disability | 53 | 61.6% |
Residence 1 Year Ago in Rock Island City
*Base on 2012 Data
| Population 1 year and over | 685 | 100% |
| Same house | 644 | 94.0% |
| Different house in the U.S. | 41 | 6.0% |
| Same county | 10 | 1.5% |
| Different county | 31 | 4.5% |
| Same state | 19 | 2.8% |
| Different state | 12 | 1.8% |
| Abroad | 0 | 0.0% |
Place Of Birth in Rock Island City
*Base on 2012 Data
| Total population | 689 | 100% |
| Native | 479 | 69.5% |
| Born in United States | 474 | 68.8% |
| State of residence | 334 | 48.5% |
| Different state | 140 | 20.3% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 5 | 0.7% |
| Foreign born | 210 | 30.5% |
U.S. Citizenship Status in Rock Island City
*Base on 2012 Data
| Foreign-born population | 210 | 100% |
| Naturalized U.S. citizen | 70 | 33.3% |
| Not a U.S. citizen | 140 | 66.7% |
Year of Entry in Rock Island City
*Base on 2012 Data
| Population born outside the United States | 215 | 100% |
| Native | 5 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 5 | 100.0% |
| Foreign born | 210 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 210 | 100.0% |
World Region Of Birth Of Foreign Born in Rock Island City
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 210 | 100% |
| Europe | 0 | 0.0% |
| Asia | 0 | 0.0% |
| Africa | 0 | 0.0% |
| Oceania | 0 | 0.0% |
| Latin America | 197 | 93.8% |
| Northern America | 13 | 6.2% |