Language Spoken At Home in Baltimore County
*Base on 2012 Data
| Population 5 years and over | 758,978 | 100% |
| English only | 660,432 | 87.0% |
| Language other than English | 98,546 | 13.0% |
| Speak English less than very well | 36,205 | 4.8% |
| Spanish | 28,200 | 3.7% |
| Speak English less than very well | 11,755 | 1.5% |
| Other Indo-European languages | 35,014 | 4.6% |
| Speak English less than very well | 11,782 | 1.6% |
| Asian and Pacific Islander languages | 23,238 | 3.1% |
| Speak English less than very well | 9,738 | 1.3% |
| Other languages | 12,094 | 1.6% |
| Speak English less than very well | 2,930 | 0.4% |
Ancestry in Baltimore County
*Base on 2012 Data
| Total population | 807,318 | 100% |
| American | 44,003 | 5.5% |
| Arab | 4,655 | 0.6% |
| Czech | 5,246 | 0.6% |
| Danish | 1,305 | 0.2% |
| Dutch | 7,704 | 1.0% |
| English | 65,596 | 8.1% |
| French (except Basque) | 13,088 | 1.6% |
| French Canadian | 2,074 | 0.3% |
| German | 157,950 | 19.6% |
| Greek | 6,787 | 0.8% |
| Hungarian | 3,450 | 0.4% |
| Irish | 113,940 | 14.1% |
| Italian | 58,611 | 7.3% |
| Lithuanian | 3,596 | 0.4% |
| Norwegian | 3,296 | 0.4% |
| Polish | 46,614 | 5.8% |
| Portuguese | 518 | 0.1% |
| Russian | 17,248 | 2.1% |
| Scotch-Irish | 6,050 | 0.7% |
| Scottish | 11,478 | 1.4% |
| Slovak | 1,648 | 0.2% |
| Subsaharan African | 28,265 | 3.5% |
| Swedish | 3,187 | 0.4% |
| Swiss | 917 | 0.1% |
| Ukrainian | 5,047 | 0.6% |
| Welsh | 5,453 | 0.7% |
| West Indian (excluding Hispanic origin groups) | 8,870 | 1.1% |
Households By Type in Baltimore County
*Base on 2012 Data
| Total households | 314,823 | 100% |
| Family households (families) | 203,327 | 64.6% |
| With own children under 18 years | 88,612 | 28.1% |
| Married-couple family | 146,668 | 46.6% |
| With own children under 18 years | 58,784 | 18.7% |
| Male householder, no wife present, family | 13,601 | 4.3% |
| With own children under 18 years | 6,606 | 2.1% |
| Female householder, no husband present, family | 43,058 | 13.7% |
| With own children under 18 years | 23,222 | 7.4% |
| Nonfamily households | 111,496 | 35.4% |
| Householder living alone | 92,574 | 29.4% |
| 65 years and over | 35,601 | 11.3% |
| Households with one or more people under 18 years | 99,807 | 31.7% |
| Households with one or more people 65 years and over | 84,229 | 26.8% |
| Average household size | 3 | 0% |
| Average family size | 3 | 0% |
Relationship in Baltimore County
*Base on 2012 Data
| Population in households | 787,143 | 100% |
| Householder | 314,823 | 40.0% |
| Spouse | 146,517 | 18.6% |
| Child | 230,727 | 29.3% |
| Other relatives | 52,970 | 6.7% |
| Nonrelatives | 42,106 | 5.3% |
| Unmarried partner | 17,183 | 2.2% |
Marital Status in Baltimore County
*Base on 2012 Data
| Males 15 years and over | 307,896 | 100% |
| Never married | 106,983 | 34.7% |
| Now married, except separated | 158,594 | 51.5% |
| Separated | 6,326 | 2.1% |
| Widowed | 9,961 | 3.2% |
| Divorced | 26,032 | 8.5% |
| Females 15 years and over | 354,397 | 100% |
| Never married | 111,903 | 31.6% |
| Now married, except separated | 156,088 | 44.0% |
| Separated | 9,839 | 2.8% |
| Widowed | 37,766 | 10.7% |
| Divorced | 38,801 | 10.9% |
Fertility in Baltimore County
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 10,846 | 100% |
| Unmarried women (widowed, divorced, and never married) | 3,552 | 32.7% |
| Per 1,000 unmarried women | 31 | 0% |
| Per 1,000 women 15 to 50 years old | 53 | 0% |
| Per 1,000 women 15 to 19 years old | 17 | 0% |
| Per 1,000 women 20 to 34 years old | 90 | 0% |
| Per 1,000 women 35 to 50 years old | 30 | 0% |
Grandparents in Baltimore County
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 18,836 | 100% |
| Responsible for grandchildren | 7,370 | 39.1% |
| Less than 1 year | 1,202 | 6.4% |
| 1 or 2 years | 1,929 | 10.2% |
| 3 or 4 years | 1,374 | 7.3% |
| 5 or more years | 2,865 | 15.2% |
| Number of grandparents responsible for own grandchildren under 18 years | 7,370 | 100% |
| Who are female | 4,563 | 61.9% |
| Who are married | 5,072 | 68.8% |
School Enrollment in Baltimore County
*Base on 2012 Data
| Population 3 years and over enrolled in school | 216,475 | 100% |
| Nursery school, preschool | 14,171 | 6.5% |
| Kindergarten | 8,920 | 4.1% |
| Elementary school (grades 1-8) | 75,928 | 35.1% |
| High school (grades 9-12) | 41,221 | 19.0% |
| College or graduate school | 76,235 | 35.2% |
Educational Attainment in Baltimore County
*Base on 2012 Data
| Population 25 years and over | 548,613 | 100% |
| Less than 9th grade | 19,738 | 3.6% |
| 9th to 12th grade, no diploma | 36,785 | 6.7% |
| High school graduate (includes equivalency) | 150,878 | 27.5% |
| Some college, no degree | 112,946 | 20.6% |
| Associate's degree | 34,591 | 6.3% |
| Bachelor's degree | 111,453 | 20.3% |
| Graduate or professional degree | 82,222 | 15.0% |
| Percent high school graduate or higher | 0 | 89.7% |
| Percent bachelor's degree or higher | 0 | 35.3% |
Veteran Status in Baltimore County
*Base on 2012 Data
| Civilian population 18 years and over | 629,128 | 100% |
| Civilian veterans | 59,402 | 9.4% |
Disability Status Of The Civilian Noninstitutionalized Population in Baltimore County
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 798,951 | 100% |
| With a disability | 87,927 | 11.0% |
| Under 18 years | 176,497 | 100% |
| With a disability | 6,675 | 3.8% |
| 18 to 64 years | 507,924 | 100% |
| With a disability | 41,854 | 8.2% |
| 65 years and over | 114,530 | 100% |
| With a disability | 39,398 | 34.4% |
Residence 1 Year Ago in Baltimore County
*Base on 2012 Data
| Population 1 year and over | 797,983 | 100% |
| Same house | 703,483 | 88.2% |
| Different house in the U.S. | 89,502 | 11.2% |
| Same county | 50,862 | 6.4% |
| Different county | 38,640 | 4.8% |
| Same state | 25,261 | 3.2% |
| Different state | 13,379 | 1.7% |
| Abroad | 4,998 | 0.6% |
Place Of Birth in Baltimore County
*Base on 2012 Data
| Total population | 807,318 | 100% |
| Native | 718,958 | 89.1% |
| Born in United States | 711,184 | 88.1% |
| State of residence | 523,514 | 64.8% |
| Different state | 187,670 | 23.2% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 7,774 | 1.0% |
| Foreign born | 88,360 | 10.9% |
U.S. Citizenship Status in Baltimore County
*Base on 2012 Data
| Foreign-born population | 88,360 | 100% |
| Naturalized U.S. citizen | 42,235 | 47.8% |
| Not a U.S. citizen | 46,125 | 52.2% |
Year of Entry in Baltimore County
*Base on 2012 Data
| Population born outside the United States | 96,134 | 100% |
| Native | 7,774 | 100% |
| Entered 2010 or later | 151 | 1.9% |
| Entered before 2010 | 7,623 | 98.1% |
| Foreign born | 88,360 | 100% |
| Entered 2010 or later | 3,098 | 3.5% |
| Entered before 2010 | 85,262 | 96.5% |
World Region Of Birth Of Foreign Born in Baltimore County
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 88,360 | 100% |
| Europe | 14,747 | 16.7% |
| Asia | 34,327 | 38.8% |
| Africa | 14,233 | 16.1% |
| Oceania | 156 | 0.2% |
| Latin America | 23,886 | 27.0% |
| Northern America | 1,011 | 1.1% |