Language Spoken At Home in Zip Code 21521
*Base on 2012 Data
| Population 5 years and over | 1,440 | 100% |
| English only | 1,398 | 97.1% |
| Language other than English | 42 | 2.9% |
| Speak English less than very well | 2 | 0.1% |
| Spanish | 39 | 2.7% |
| Speak English less than very well | 2 | 0.1% |
| Other Indo-European languages | 3 | 0.2% |
| 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 21521
*Base on 2012 Data
| Total population | 1,498 | 100% |
| American | 146 | 9.7% |
| Arab | 0 | 0.0% |
| Czech | 12 | 0.8% |
| Danish | 0 | 0.0% |
| Dutch | 15 | 1.0% |
| English | 111 | 7.4% |
| French (except Basque) | 22 | 1.5% |
| French Canadian | 0 | 0.0% |
| German | 588 | 39.3% |
| Greek | 0 | 0.0% |
| Hungarian | 0 | 0.0% |
| Irish | 394 | 26.3% |
| Italian | 62 | 4.1% |
| Lithuanian | 0 | 0.0% |
| Norwegian | 0 | 0.0% |
| Polish | 4 | 0.3% |
| Portuguese | 0 | 0.0% |
| Russian | 0 | 0.0% |
| Scotch-Irish | 5 | 0.3% |
| Scottish | 168 | 11.2% |
| Slovak | 0 | 0.0% |
| Subsaharan African | 3 | 0.2% |
| Swedish | 0 | 0.0% |
| Swiss | 0 | 0.0% |
| Ukrainian | 0 | 0.0% |
| Welsh | 33 | 2.2% |
| West Indian (excluding Hispanic origin groups) | 0 | 0.0% |
Households By Type in Zip Code 21521
*Base on 2012 Data
| Total households | 536 | 100% |
| Family households (families) | 417 | 77.8% |
| With own children under 18 years | 138 | 25.7% |
| Married-couple family | 321 | 59.9% |
| With own children under 18 years | 95 | 17.7% |
| Male householder, no wife present, family | 17 | 3.2% |
| With own children under 18 years | 17 | 3.2% |
| Female householder, no husband present, family | 79 | 14.7% |
| With own children under 18 years | 26 | 4.9% |
| Nonfamily households | 119 | 22.2% |
| Householder living alone | 99 | 18.5% |
| 65 years and over | 56 | 10.4% |
| Households with one or more people under 18 years | 164 | 30.6% |
| Households with one or more people 65 years and over | 185 | 34.5% |
| Average household size | 3 | 0% |
| Average family size | 3 | 0% |
Relationship in Zip Code 21521
*Base on 2012 Data
| Population in households | 1,498 | 100% |
| Householder | 536 | 35.8% |
| Spouse | 329 | 22.0% |
| Child | 517 | 34.5% |
| Other relatives | 63 | 4.2% |
| Nonrelatives | 53 | 3.5% |
| Unmarried partner | 49 | 3.3% |
Marital Status in Zip Code 21521
*Base on 2012 Data
| Males 15 years and over | 607 | 100% |
| Never married | 152 | 25.0% |
| Now married, except separated | 371 | 61.1% |
| Separated | 8 | 1.3% |
| Widowed | 23 | 3.8% |
| Divorced | 53 | 8.7% |
| Females 15 years and over | 668 | 100% |
| Never married | 217 | 32.5% |
| Now married, except separated | 338 | 50.6% |
| Separated | 4 | 0.6% |
| Widowed | 39 | 5.8% |
| Divorced | 70 | 10.5% |
Fertility in Zip Code 21521
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 15 | 100% |
| Unmarried women (widowed, divorced, and never married) | 6 | 40.0% |
| Per 1,000 unmarried women | 23 | 0% |
| Per 1,000 women 15 to 50 years old | 36 | 0% |
| Per 1,000 women 15 to 19 years old | 72 | 0% |
| Per 1,000 women 20 to 34 years old | 55 | 0% |
| Per 1,000 women 35 to 50 years old | 0 | 0% |
Grandparents in Zip Code 21521
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 57 | 100% |
| Responsible for grandchildren | 8 | 14.0% |
| Less than 1 year | 8 | 14.0% |
| 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 | 8 | 100% |
| Who are female | 2 | 25.0% |
| Who are married | 8 | 100.0% |
School Enrollment in Zip Code 21521
*Base on 2012 Data
| Population 3 years and over enrolled in school | 371 | 100% |
| Nursery school, preschool | 13 | 3.5% |
| Kindergarten | 21 | 5.7% |
| Elementary school (grades 1-8) | 114 | 30.7% |
| High school (grades 9-12) | 111 | 29.9% |
| College or graduate school | 112 | 30.2% |
Educational Attainment in Zip Code 21521
*Base on 2012 Data
| Population 25 years and over | 992 | 100% |
| Less than 9th grade | 13 | 1.3% |
| 9th to 12th grade, no diploma | 65 | 6.6% |
| High school graduate (includes equivalency) | 486 | 49.0% |
| Some college, no degree | 211 | 21.3% |
| Associate's degree | 100 | 10.1% |
| Bachelor's degree | 54 | 5.4% |
| Graduate or professional degree | 63 | 6.4% |
| Percent high school graduate or higher | 0 | 92.1% |
| Percent bachelor's degree or higher | 0 | 11.8% |
Veteran Status in Zip Code 21521
*Base on 2012 Data
| Civilian population 18 years and over | 1,210 | 100% |
| Civilian veterans | 151 | 12.5% |
Disability Status Of The Civilian Noninstitutionalized Population in Zip Code 21521
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 1,498 | 100% |
| With a disability | 226 | 15.1% |
| Under 18 years | 288 | 100% |
| With a disability | 26 | 9.0% |
| 18 to 64 years | 918 | 100% |
| With a disability | 52 | 5.7% |
| 65 years and over | 292 | 100% |
| With a disability | 148 | 50.7% |
Residence 1 Year Ago in Zip Code 21521
*Base on 2012 Data
| Population 1 year and over | 1,476 | 100% |
| Same house | 1,359 | 92.1% |
| Different house in the U.S. | 117 | 7.9% |
| Same county | 104 | 7.0% |
| Different county | 13 | 0.9% |
| Same state | 0 | 0.0% |
| Different state | 13 | 0.9% |
| Abroad | 0 | 0.0% |
Place Of Birth in Zip Code 21521
*Base on 2012 Data
| Total population | 1,498 | 100% |
| Native | 1,495 | 99.8% |
| Born in United States | 1,489 | 99.4% |
| State of residence | 1,229 | 82.0% |
| Different state | 260 | 17.4% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 6 | 0.4% |
| Foreign born | 3 | 0.2% |
U.S. Citizenship Status in Zip Code 21521
*Base on 2012 Data
| Foreign-born population | 3 | 100% |
| Naturalized U.S. citizen | 3 | 100.0% |
| Not a U.S. citizen | 0 | 0.0% |
Year of Entry in Zip Code 21521
*Base on 2012 Data
| Population born outside the United States | 9 | 100% |
| Native | 6 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 6 | 100.0% |
| Foreign born | 3 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 3 | 100.0% |
World Region Of Birth Of Foreign Born in Zip Code 21521
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 3 | 100% |
| Europe | 2 | 66.7% |
| Asia | 1 | 33.3% |
| Africa | 0 | 0.0% |
| Oceania | 0 | 0.0% |
| Latin America | 0 | 0.0% |
| Northern America | 0 | 0.0% |