Population by Age in Zip Code 21821
*Base on 2010 Data
| Total population | 991 | 100.00% |
| Under 5 years | 42 | 4.24% |
| 5 to 9 years | 47 | 4.74% |
| 10 to 14 years | 40 | 4.04% |
| 15 to 19 years | 40 | 4.04% |
| 20 to 24 years | 55 | 5.55% |
| 25 to 29 years | 33 | 3.33% |
| 30 to 34 years | 49 | 4.94% |
| 35 to 39 years | 49 | 4.94% |
| 40 to 44 years | 36 | 3.63% |
| 45 to 49 years | 69 | 6.96% |
| 50 to 54 years | 100 | 10.09% |
| 55 to 59 years | 94 | 9.49% |
| 60 to 64 years | 99 | 9.99% |
| 65 to 69 years | 85 | 8.58% |
| 70 to 74 years | 58 | 5.85% |
| 75 to 79 years | 44 | 4.44% |
| 80 to 84 years | 36 | 3.63% |
| 85 years and over | 15 | 1.51% |
Male Population in Zip Code 21821
*Base on 2010 Data
| Male population | 504 | 50.86% |
| Under 5 years | 18 | 1.82% |
| 5 to 9 years | 27 | 2.72% |
| 10 to 14 years | 27 | 2.72% |
| 15 to 19 years | 21 | 2.12% |
| 20 to 24 years | 34 | 3.43% |
| 25 to 29 years | 15 | 1.51% |
| 30 to 34 years | 22 | 2.22% |
| 35 to 39 years | 25 | 2.52% |
| 40 to 44 years | 21 | 2.12% |
| 45 to 49 years | 39 | 3.94% |
| 50 to 54 years | 45 | 4.54% |
| 55 to 59 years | 48 | 4.84% |
| 60 to 64 years | 53 | 5.35% |
| 65 to 69 years | 39 | 3.94% |
| 70 to 74 years | 23 | 2.32% |
| 75 to 79 years | 26 | 2.62% |
| 80 to 84 years | 12 | 1.21% |
| 85 years and over | 9 | 0.91% |
Female Population in Zip Code 21821
*Base on 2010 Data
| Female population | 487 | 49.14% |
| Under 5 years | 24 | 2.42% |
| 5 to 9 years | 20 | 2.02% |
| 10 to 14 years | 13 | 1.31% |
| 15 to 19 years | 19 | 1.92% |
| 20 to 24 years | 21 | 2.12% |
| 25 to 29 years | 18 | 1.82% |
| 30 to 34 years | 27 | 2.72% |
| 35 to 39 years | 24 | 2.42% |
| 40 to 44 years | 15 | 1.51% |
| 45 to 49 years | 30 | 3.03% |
| 50 to 54 years | 55 | 5.55% |
| 55 to 59 years | 46 | 4.64% |
| 60 to 64 years | 46 | 4.64% |
| 65 to 69 years | 46 | 4.64% |
| 70 to 74 years | 35 | 3.53% |
| 75 to 79 years | 18 | 1.82% |
| 80 to 84 years | 24 | 2.42% |
| 85 years and over | 6 | 0.61% |
Median Age in Zip Code 21821
*Base on 2010 Data
| Both | 51.70% | |
| Male | 50.30% | |
| Female | 52.50% |
Race in Zip Code 21821
*Base on 2010 Data
| Total | 991 | 100.00% |
| Population of one race | 981 | 98.99% |
| White | 857 | 86.48% |
| Black or African American | 104 | 10.49% |
| American Indian and Alaska Native | 4 | 0.40% |
| Asian | 8 | 0.81% |
| Asian Indian | 0 | 0.00% |
| Chinese | 6 | 0.61% |
| Filipino | 0 | 0.00% |
| Japanese | 0 | 0.00% |
| Korean | 2 | 0.20% |
| Vietnamese | 0 | 0.00% |
| Other Asian | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander | 0 | 0.00% |
| Native Hawaiian | 0 | 0.00% |
| Guamanian or Chamorro | 0 | 0.00% |
| Samoan | 0 | 0.00% |
| Other Pacific Islander | 0 | 0.00% |
| Some Other Race | 8 | 0.81% |
| Population of Two or More Races | 10 | 1.01% |
| White; American Indian and Alaska Native | 4 | 0.40% |
| White; Asian | 0 | 0.00% |
| White; Black or African American | 4 | 0.40% |
| White; Some Other Race | 0 | 0.00% |
The Population 16 Years in Zip Code 21821
*Base on 2010 Data
| Total | 851 | 100.00% |
| Male | 426 | 50.06% |
| Female | 425 | 49.94% |
The Population 18 Years in Zip Code 21821
*Base on 2010 Data
| Total | 836 | 100.00% |
| Male | 419 | 50.12% |
| Female | 417 | 49.88% |
The Population 21 Years in Zip Code 21821
*Base on 2010 Data
| Total | 803 | 100.00% |
| Male | 401 | 49.94% |
| Female | 402 | 50.06% |
The Population 62 Years in Zip Code 21821
*Base on 2010 Data
| Total | 298 | 100.00% |
| Male | 142 | 47.65% |
| Female | 156 | 52.35% |
The Population 65 Years in Zip Code 21821
*Base on 2010 Data
| Total | 238 | 100.00% |
| Male | 109 | 45.80% |
| Female | 129 | 54.20% |
Race (total races tallied) in Zip Code 21821
*Base on 2010 Data
| White alone or in combination with one or more other races | 865 | 86.41% |
| Black or African American alone or in combination with one or more other races | 110 | 10.99% |
| American Indian and Alaska Native alone or in combination with one or more other races | 9 | 0.90% |
| Asian alone or in combination with one or more other races | 8 | 0.80% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 0 | 0.00% |
| Some Other Race alone or in combination with one or more other races | 9 | 0.90% |
Hispanic or Latino by Specific Origin in Zip Code 21821
*Base on 2010 Data
| Total | 991 | 100.00% |
| Hispanic or Latino (of any race) | 3 | 0.30% |
| Mexican | 1 | 0.10% |
| Puerto Rican | 1 | 0.10% |
| Cuban | 0 | 0.00% |
| Other Hispanic or Latino | 1 | 0.10% |
| Not Hispanic or Latino | 988 | 99.70% |
Hispanic or Latino and Race in Zip Code 21821
*Base on 2010 Data
| Total | 991 | 100.00% |
| Hispanic or Latino | 3 | 0.30% |
| White alone | 1 | 0.10% |
| Black or African American alone | 1 | 0.10% |
| American Indian and Alaska Native alone | 0 | 0.00% |
| Asian alone | 0 | 0.00% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 1 | 0.10% |
| Two or More Races | 0 | 0.00% |
| Not Hispanic or Latino | 988 | 99.70% |
| White alone | 856 | 86.38% |
| Black or African American alone | 103 | 10.39% |
| American Indian and Alaska Native alone | 4 | 0.40% |
| Asian alone | 8 | 0.81% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 7 | 0.71% |
| Two or More Races | 10 | 1.01% |
Relationship in Zip Code 21821
*Base on 2010 Data
| Total | 991 | 100.00% |
| In households | 991 | 100.00% |
| Householder | 433 | 43.69% |
| Spouse | 228 | 23.01% |
| Child | 209 | 21.09% |
| Own child under 18 years | 114 | 11.50% |
| Other relatives | 71 | 7.16% |
| Under 18 years | 36 | 3.63% |
| 65 years and over | 6 | 0.61% |
| Nonrelatives | 50 | 5.05% |
| Under 18 years | 5 | 0.50% |
| 65 years and over | 11 | 1.11% |
| Unmarried partner | 26 | 2.62% |
| In group quarters | 0 | 0.00% |
| Institutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
| Noninstitutionalized population | 0 | 0.00% |
| Male | 0 | 0.00% |
| Female | 0 | 0.00% |
Households by Type in Zip Code 21821
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 433 | 100.00% |
| Family households (families) | 288 | 66.51% |
| With own children under 18 years | 70 | 16.17% |
| Husband-wife family | 228 | 52.66% |
| With own children under 18 years | 46 | 10.62% |
| Male householder, no wife present | 14 | 3.23% |
| With own children under 18 years | 8 | 1.85% |
| Female householder, no husband present | 46 | 10.62% |
| With own children under 18 years | 16 | 3.70% |
| Nonfamily households | 145 | 33.49% |
| Householder living alone | 123 | 28.41% |
| Male | 68 | 15.70% |
| 65 years and over | 24 | 5.54% |
| Female | 55 | 12.70% |
| 65 years and over | 33 | 7.62% |
Households with individuals under 18 years in Zip Code 21821
*Base on 2010 Data
| Total | 99 | 22.86% |
Households with individuals under 65 years in Zip Code 21821
*Base on 2010 Data
| Total | 172 | 39.72% |
Average Household Size in Zip Code 21821
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Zip Code 21821
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Zip Code 21821
*Base on 2010 Data
| Total | 734 | 100.00% |
| Occupied housing units | 433 | 58.99% |
| Vacant housing units | 301 | 41.01% |
| For rent | 7 | 0.95% |
| Rented, not occupied | 0 | 0.00% |
| For sale only | 17 | 2.32% |
| Sold, not occupied | 1 | 0.14% |
| For seasonal, recreational, or occasional use | 195 | 26.57% |
| All other vacants | 81 | 11.04% |
Homeowner Vacancy Rate in Zip Code 21821
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 4.40% |
Rental Vacancy Rate in Zip Code 21821
*Base on 2010 Data
| Rental vacancy rate (percent) | 10.30% |
Housing Tenure(Occupied housing units) in Zip Code 21821
*Base on 2010 Data
| Total | 433 | 100.00% |
| Owner-occupied housing units | 372 | 85.91% |
| Renter-occupied housing units | 61 | 14.09% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Zip Code 21821
*Base on 2010 Data
| Owner-occupied housing units | 839 | 84.66% |
| Renter-occupied housing units | 152 | 15.34% |
Average Household Size of Occupied Housing Units by Tenure in Zip Code 21821
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |