Language Spoken At Home in Zip Code 20645
*Base on 2012 Data
| Population 5 years and over | 846 | 100% |
| English only | 813 | 96.1% |
| Language other than English | 33 | 3.9% |
| Speak English less than very well | 0 | 0.0% |
| Spanish | 0 | 0.0% |
| Speak English less than very well | 0 | 0.0% |
| Other Indo-European languages | 26 | 3.1% |
| 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 | 7 | 0.8% |
| Speak English less than very well | 0 | 0.0% |
Ancestry in Zip Code 20645
*Base on 2012 Data
| Total population | 862 | 100% |
| American | 103 | 11.9% |
| Arab | 0 | 0.0% |
| Czech | 0 | 0.0% |
| Danish | 0 | 0.0% |
| Dutch | 0 | 0.0% |
| English | 63 | 7.3% |
| French (except Basque) | 0 | 0.0% |
| French Canadian | 6 | 0.7% |
| German | 259 | 30.0% |
| Greek | 0 | 0.0% |
| Hungarian | 0 | 0.0% |
| Irish | 230 | 26.7% |
| Italian | 79 | 9.2% |
| Lithuanian | 0 | 0.0% |
| Norwegian | 0 | 0.0% |
| Polish | 12 | 1.4% |
| Portuguese | 4 | 0.5% |
| Russian | 0 | 0.0% |
| Scotch-Irish | 4 | 0.5% |
| Scottish | 56 | 6.5% |
| Slovak | 0 | 0.0% |
| Subsaharan African | 0 | 0.0% |
| Swedish | 0 | 0.0% |
| Swiss | 0 | 0.0% |
| Ukrainian | 0 | 0.0% |
| Welsh | 8 | 0.9% |
| West Indian (excluding Hispanic origin groups) | 0 | 0.0% |
Households By Type in Zip Code 20645
*Base on 2012 Data
| Total households | 312 | 100% |
| Family households (families) | 256 | 82.1% |
| With own children under 18 years | 134 | 42.9% |
| Married-couple family | 243 | 77.9% |
| With own children under 18 years | 134 | 42.9% |
| Male householder, no wife present, family | 13 | 4.2% |
| With own children under 18 years | 0 | 0.0% |
| Female householder, no husband present, family | 0 | 0.0% |
| With own children under 18 years | 0 | 0.0% |
| Nonfamily households | 56 | 17.9% |
| Householder living alone | 56 | 17.9% |
| 65 years and over | 27 | 8.7% |
| Households with one or more people under 18 years | 147 | 47.1% |
| Households with one or more people 65 years and over | 71 | 22.8% |
| Average household size | 3 | 0% |
| Average family size | 3 | 0% |
Relationship in Zip Code 20645
*Base on 2012 Data
| Population in households | 862 | 100% |
| Householder | 312 | 36.2% |
| Spouse | 241 | 28.0% |
| Child | 293 | 34.0% |
| Other relatives | 16 | 1.9% |
| Nonrelatives | 0 | 0.0% |
| Unmarried partner | 0 | 0.0% |
Marital Status in Zip Code 20645
*Base on 2012 Data
| Males 15 years and over | 387 | 100% |
| Never married | 117 | 30.2% |
| Now married, except separated | 249 | 64.3% |
| Separated | 0 | 0.0% |
| Widowed | 8 | 2.1% |
| Divorced | 13 | 3.4% |
| Females 15 years and over | 310 | 100% |
| Never married | 27 | 8.7% |
| Now married, except separated | 235 | 75.8% |
| Separated | 5 | 1.6% |
| Widowed | 18 | 5.8% |
| Divorced | 25 | 8.1% |
Fertility in Zip Code 20645
*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 20645
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 13 | 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 20645
*Base on 2012 Data
| Population 3 years and over enrolled in school | 252 | 100% |
| Nursery school, preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school (grades 1-8) | 143 | 56.7% |
| High school (grades 9-12) | 65 | 25.8% |
| College or graduate school | 44 | 17.5% |
Educational Attainment in Zip Code 20645
*Base on 2012 Data
| Population 25 years and over | 600 | 100% |
| Less than 9th grade | 6 | 1.0% |
| 9th to 12th grade, no diploma | 17 | 2.8% |
| High school graduate (includes equivalency) | 173 | 28.8% |
| Some college, no degree | 134 | 22.3% |
| Associate's degree | 34 | 5.7% |
| Bachelor's degree | 198 | 33.0% |
| Graduate or professional degree | 38 | 6.3% |
| Percent high school graduate or higher | 0 | 96.2% |
| Percent bachelor's degree or higher | 0 | 39.3% |
Veteran Status in Zip Code 20645
*Base on 2012 Data
| Civilian population 18 years and over | 651 | 100% |
| Civilian veterans | 54 | 8.3% |
Disability Status Of The Civilian Noninstitutionalized Population in Zip Code 20645
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 862 | 100% |
| With a disability | 104 | 12.1% |
| Under 18 years | 211 | 100% |
| With a disability | 0 | 0.0% |
| 18 to 64 years | 541 | 100% |
| With a disability | 80 | 14.8% |
| 65 years and over | 110 | 100% |
| With a disability | 24 | 21.8% |
Residence 1 Year Ago in Zip Code 20645
*Base on 2012 Data
| Population 1 year and over | 862 | 100% |
| Same house | 825 | 95.7% |
| Different house in the U.S. | 37 | 4.3% |
| Same county | 37 | 4.3% |
| Different county | 0 | 0.0% |
| Same state | 0 | 0.0% |
| Different state | 0 | 0.0% |
| Abroad | 0 | 0.0% |
Place Of Birth in Zip Code 20645
*Base on 2012 Data
| Total population | 862 | 100% |
| Native | 855 | 99.2% |
| Born in United States | 855 | 99.2% |
| State of residence | 319 | 37.0% |
| Different state | 536 | 62.2% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 0 | 0.0% |
| Foreign born | 7 | 0.8% |
U.S. Citizenship Status in Zip Code 20645
*Base on 2012 Data
| Foreign-born population | 7 | 100% |
| Naturalized U.S. citizen | 7 | 100.0% |
| Not a U.S. citizen | 0 | 0.0% |
Year of Entry in Zip Code 20645
*Base on 2012 Data
| Population born outside the United States | 7 | 100% |
| Native | 0 | 0% |
| Entered 2010 or later | 0 | 0% |
| Entered before 2010 | 0 | 0% |
| Foreign born | 7 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 7 | 100.0% |
World Region Of Birth Of Foreign Born in Zip Code 20645
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 7 | 100% |
| Europe | 0 | 0.0% |
| Asia | 7 | 100.0% |
| Africa | 0 | 0.0% |
| Oceania | 0 | 0.0% |
| Latin America | 0 | 0.0% |
| Northern America | 0 | 0.0% |