Language Spoken At Home in Zip Code 21640
*Base on 2012 Data
| Population 5 years and over | 1,321 | 100% |
| English only | 1,260 | 95.4% |
| Language other than English | 61 | 4.6% |
| Speak English less than very well | 30 | 2.3% |
| Spanish | 51 | 3.9% |
| Speak English less than very well | 30 | 2.3% |
| Other Indo-European languages | 10 | 0.8% |
| 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 Zip Code 21640
*Base on 2012 Data
| Total population | 1,367 | 100% |
| American | 153 | 11.2% |
| Arab | 0 | 0.0% |
| Czech | 22 | 1.6% |
| Danish | 0 | 0.0% |
| Dutch | 0 | 0.0% |
| English | 291 | 21.3% |
| French (except Basque) | 205 | 15.0% |
| French Canadian | 7 | 0.5% |
| German | 414 | 30.3% |
| Greek | 0 | 0.0% |
| Hungarian | 76 | 5.6% |
| Irish | 133 | 9.7% |
| Italian | 48 | 3.5% |
| Lithuanian | 0 | 0.0% |
| Norwegian | 7 | 0.5% |
| Polish | 76 | 5.6% |
| Portuguese | 0 | 0.0% |
| Russian | 6 | 0.4% |
| Scotch-Irish | 12 | 0.9% |
| Scottish | 17 | 1.2% |
| Slovak | 0 | 0.0% |
| Subsaharan African | 0 | 0.0% |
| Swedish | 19 | 1.4% |
| Swiss | 0 | 0.0% |
| Ukrainian | 6 | 0.4% |
| Welsh | 0 | 0.0% |
| West Indian (excluding Hispanic origin groups) | 0 | 0.0% |
Households By Type in Zip Code 21640
*Base on 2012 Data
| Total households | 527 | 100% |
| Family households (families) | 376 | 71.3% |
| With own children under 18 years | 155 | 29.4% |
| Married-couple family | 330 | 62.6% |
| With own children under 18 years | 147 | 27.9% |
| Male householder, no wife present, family | 0 | 0.0% |
| With own children under 18 years | 0 | 0.0% |
| Female householder, no husband present, family | 46 | 8.7% |
| With own children under 18 years | 8 | 1.5% |
| Nonfamily households | 151 | 28.7% |
| Householder living alone | 115 | 21.8% |
| 65 years and over | 57 | 10.8% |
| Households with one or more people under 18 years | 166 | 31.5% |
| Households with one or more people 65 years and over | 201 | 38.1% |
| Average household size | 3 | 0% |
| Average family size | 3 | 0% |
Relationship in Zip Code 21640
*Base on 2012 Data
| Population in households | 1,365 | 100% |
| Householder | 527 | 38.6% |
| Spouse | 332 | 24.3% |
| Child | 389 | 28.5% |
| Other relatives | 63 | 4.6% |
| Nonrelatives | 54 | 4.0% |
| Unmarried partner | 43 | 3.2% |
Marital Status in Zip Code 21640
*Base on 2012 Data
| Males 15 years and over | 582 | 100% |
| Never married | 151 | 25.9% |
| Now married, except separated | 365 | 62.7% |
| Separated | 6 | 1.0% |
| Widowed | 2 | 0.3% |
| Divorced | 58 | 10.0% |
| Females 15 years and over | 583 | 100% |
| Never married | 117 | 20.1% |
| Now married, except separated | 369 | 63.3% |
| Separated | 12 | 2.1% |
| Widowed | 31 | 5.3% |
| Divorced | 54 | 9.3% |
Fertility in Zip Code 21640
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 0 | 0% |
| Unmarried women (widowed, divorced, and never married) | 0 | 0% |
| Per 1,000 unmarried women | 0 | 0% |
| Per 1,000 women 15 to 50 years old | 0 | 0% |
| Per 1,000 women 15 to 19 years old | 0 | 0% |
| Per 1,000 women 20 to 34 years old | 0 | 0% |
| Per 1,000 women 35 to 50 years old | 0 | 0% |
Grandparents in Zip Code 21640
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 11 | 100% |
| Responsible for grandchildren | 0 | 0.0% |
| 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 | 0 | 0.0% |
| Number of grandparents responsible for own grandchildren under 18 years | 0 | 0% |
| Who are female | 0 | 0% |
| Who are married | 0 | 0% |
School Enrollment in Zip Code 21640
*Base on 2012 Data
| Population 3 years and over enrolled in school | 378 | 100% |
| Nursery school, preschool | 41 | 10.8% |
| Kindergarten | 0 | 0.0% |
| Elementary school (grades 1-8) | 123 | 32.5% |
| High school (grades 9-12) | 108 | 28.6% |
| College or graduate school | 106 | 28.0% |
Educational Attainment in Zip Code 21640
*Base on 2012 Data
| Population 25 years and over | 982 | 100% |
| Less than 9th grade | 50 | 5.1% |
| 9th to 12th grade, no diploma | 189 | 19.2% |
| High school graduate (includes equivalency) | 433 | 44.1% |
| Some college, no degree | 208 | 21.2% |
| Associate's degree | 18 | 1.8% |
| Bachelor's degree | 57 | 5.8% |
| Graduate or professional degree | 27 | 2.7% |
| Percent high school graduate or higher | 0 | 75.7% |
| Percent bachelor's degree or higher | 0 | 8.6% |
Veteran Status in Zip Code 21640
*Base on 2012 Data
| Civilian population 18 years and over | 1,068 | 100% |
| Civilian veterans | 117 | 11.0% |
Disability Status Of The Civilian Noninstitutionalized Population in Zip Code 21640
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 1,367 | 100% |
| With a disability | 235 | 17.2% |
| Under 18 years | 299 | 100% |
| With a disability | 25 | 8.4% |
| 18 to 64 years | 826 | 100% |
| With a disability | 124 | 15.0% |
| 65 years and over | 242 | 100% |
| With a disability | 86 | 35.5% |
Residence 1 Year Ago in Zip Code 21640
*Base on 2012 Data
| Population 1 year and over | 1,367 | 100% |
| Same house | 1,271 | 93.0% |
| Different house in the U.S. | 96 | 7.0% |
| Same county | 94 | 6.9% |
| Different county | 2 | 0.1% |
| Same state | 2 | 0.1% |
| Different state | 0 | 0.0% |
| Abroad | 0 | 0.0% |
Place Of Birth in Zip Code 21640
*Base on 2012 Data
| Total population | 1,367 | 100% |
| Native | 1,363 | 99.7% |
| Born in United States | 1,363 | 99.7% |
| State of residence | 880 | 64.4% |
| Different state | 483 | 35.3% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 0 | 0.0% |
| Foreign born | 4 | 0.3% |
U.S. Citizenship Status in Zip Code 21640
*Base on 2012 Data
| Foreign-born population | 4 | 100% |
| Naturalized U.S. citizen | 0 | 0.0% |
| Not a U.S. citizen | 4 | 100.0% |
Year of Entry in Zip Code 21640
*Base on 2012 Data
| Population born outside the United States | 4 | 100% |
| Native | 0 | 0% |
| Entered 2010 or later | 0 | 0% |
| Entered before 2010 | 0 | 0% |
| Foreign born | 4 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 4 | 100.0% |
World Region Of Birth Of Foreign Born in Zip Code 21640
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 4 | 100% |
| Europe | 0 | 0.0% |
| Asia | 0 | 0.0% |
| Africa | 0 | 0.0% |
| Oceania | 0 | 0.0% |
| Latin America | 4 | 100.0% |
| Northern America | 0 | 0.0% |