Population by Age in Zip Code 21521
*Base on 2010 Data
| Total population | 1,265 | 100.00% |
| Under 5 years | 61 | 4.82% |
| 5 to 9 years | 58 | 4.58% |
| 10 to 14 years | 57 | 4.51% |
| 15 to 19 years | 77 | 6.09% |
| 20 to 24 years | 73 | 5.77% |
| 25 to 29 years | 79 | 6.25% |
| 30 to 34 years | 73 | 5.77% |
| 35 to 39 years | 57 | 4.51% |
| 40 to 44 years | 82 | 6.48% |
| 45 to 49 years | 90 | 7.11% |
| 50 to 54 years | 96 | 7.59% |
| 55 to 59 years | 90 | 7.11% |
| 60 to 64 years | 93 | 7.35% |
| 65 to 69 years | 93 | 7.35% |
| 70 to 74 years | 85 | 6.72% |
| 75 to 79 years | 41 | 3.24% |
| 80 to 84 years | 32 | 2.53% |
| 85 years and over | 28 | 2.21% |
Male Population in Zip Code 21521
*Base on 2010 Data
| Male population | 624 | 49.33% |
| Under 5 years | 33 | 2.61% |
| 5 to 9 years | 28 | 2.21% |
| 10 to 14 years | 25 | 1.98% |
| 15 to 19 years | 37 | 2.92% |
| 20 to 24 years | 40 | 3.16% |
| 25 to 29 years | 34 | 2.69% |
| 30 to 34 years | 39 | 3.08% |
| 35 to 39 years | 29 | 2.29% |
| 40 to 44 years | 42 | 3.32% |
| 45 to 49 years | 51 | 4.03% |
| 50 to 54 years | 41 | 3.24% |
| 55 to 59 years | 40 | 3.16% |
| 60 to 64 years | 43 | 3.40% |
| 65 to 69 years | 45 | 3.56% |
| 70 to 74 years | 51 | 4.03% |
| 75 to 79 years | 15 | 1.19% |
| 80 to 84 years | 17 | 1.34% |
| 85 years and over | 14 | 1.11% |
Female Population in Zip Code 21521
*Base on 2010 Data
| Female population | 641 | 50.67% |
| Under 5 years | 28 | 2.21% |
| 5 to 9 years | 30 | 2.37% |
| 10 to 14 years | 32 | 2.53% |
| 15 to 19 years | 40 | 3.16% |
| 20 to 24 years | 33 | 2.61% |
| 25 to 29 years | 45 | 3.56% |
| 30 to 34 years | 34 | 2.69% |
| 35 to 39 years | 28 | 2.21% |
| 40 to 44 years | 40 | 3.16% |
| 45 to 49 years | 39 | 3.08% |
| 50 to 54 years | 55 | 4.35% |
| 55 to 59 years | 50 | 3.95% |
| 60 to 64 years | 50 | 3.95% |
| 65 to 69 years | 48 | 3.79% |
| 70 to 74 years | 34 | 2.69% |
| 75 to 79 years | 26 | 2.06% |
| 80 to 84 years | 15 | 1.19% |
| 85 years and over | 14 | 1.11% |
Median Age in Zip Code 21521
*Base on 2010 Data
| Both | 45.60% | |
| Male | 45.30% | |
| Female | 46.20% |
Race in Zip Code 21521
*Base on 2010 Data
| Total | 1,265 | 100.00% |
| Population of one race | 1,254 | 99.13% |
| White | 1,249 | 98.74% |
| Black or African American | 1 | 0.08% |
| American Indian and Alaska Native | 1 | 0.08% |
| Asian | 3 | 0.24% |
| Asian Indian | 0 | 0.00% |
| Chinese | 0 | 0.00% |
| Filipino | 3 | 0.24% |
| Japanese | 0 | 0.00% |
| Korean | 0 | 0.00% |
| 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 | 0 | 0.00% |
| Population of Two or More Races | 11 | 0.87% |
| White; American Indian and Alaska Native | 4 | 0.32% |
| White; Asian | 0 | 0.00% |
| White; Black or African American | 7 | 0.55% |
| White; Some Other Race | 0 | 0.00% |
The Population 16 Years in Zip Code 21521
*Base on 2010 Data
| Total | 1,077 | 100.00% |
| Male | 531 | 49.30% |
| Female | 546 | 50.70% |
The Population 18 Years in Zip Code 21521
*Base on 2010 Data
| Total | 1,041 | 100.00% |
| Male | 518 | 49.76% |
| Female | 523 | 50.24% |
The Population 21 Years in Zip Code 21521
*Base on 2010 Data
| Total | 999 | 100.00% |
| Male | 493 | 49.35% |
| Female | 506 | 50.65% |
The Population 62 Years in Zip Code 21521
*Base on 2010 Data
| Total | 345 | 100.00% |
| Male | 174 | 50.43% |
| Female | 171 | 49.57% |
The Population 65 Years in Zip Code 21521
*Base on 2010 Data
| Total | 279 | 100.00% |
| Male | 142 | 50.90% |
| Female | 137 | 49.10% |
Race (total races tallied) in Zip Code 21521
*Base on 2010 Data
| White alone or in combination with one or more other races | 1,260 | 98.75% |
| Black or African American alone or in combination with one or more other races | 8 | 0.63% |
| American Indian and Alaska Native alone or in combination with one or more other races | 5 | 0.39% |
| Asian alone or in combination with one or more other races | 3 | 0.24% |
| 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 | 0 | 0.00% |
Hispanic or Latino by Specific Origin in Zip Code 21521
*Base on 2010 Data
| Total | 1,265 | 100.00% |
| Hispanic or Latino (of any race) | 7 | 0.55% |
| Mexican | 5 | 0.40% |
| Puerto Rican | 2 | 0.16% |
| Cuban | 0 | 0.00% |
| Other Hispanic or Latino | 0 | 0.00% |
| Not Hispanic or Latino | 1,258 | 99.45% |
Hispanic or Latino and Race in Zip Code 21521
*Base on 2010 Data
| Total | 1,265 | 100.00% |
| Hispanic or Latino | 7 | 0.55% |
| White alone | 7 | 0.55% |
| Black or African American alone | 0 | 0.00% |
| 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 | 0 | 0.00% |
| Two or More Races | 0 | 0.00% |
| Not Hispanic or Latino | 1,258 | 99.45% |
| White alone | 1,242 | 98.18% |
| Black or African American alone | 1 | 0.08% |
| American Indian and Alaska Native alone | 1 | 0.08% |
| Asian alone | 3 | 0.24% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 0 | 0.00% |
| Two or More Races | 11 | 0.87% |
Relationship in Zip Code 21521
*Base on 2010 Data
| Total | 1,265 | 100.00% |
| In households | 1,265 | 100.00% |
| Householder | 541 | 42.77% |
| Spouse | 308 | 24.35% |
| Child | 307 | 24.27% |
| Own child under 18 years | 190 | 15.02% |
| Other relatives | 58 | 4.58% |
| Under 18 years | 25 | 1.98% |
| 65 years and over | 6 | 0.47% |
| Nonrelatives | 51 | 4.03% |
| Under 18 years | 9 | 0.71% |
| 65 years and over | 3 | 0.24% |
| Unmarried partner | 29 | 2.29% |
| 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 21521
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 541 | 100.00% |
| Family households (families) | 387 | 71.53% |
| With own children under 18 years | 110 | 20.33% |
| Husband-wife family | 308 | 56.93% |
| With own children under 18 years | 77 | 14.23% |
| Male householder, no wife present | 28 | 5.18% |
| With own children under 18 years | 12 | 2.22% |
| Female householder, no husband present | 51 | 9.43% |
| With own children under 18 years | 21 | 3.88% |
| Nonfamily households | 154 | 28.47% |
| Householder living alone | 135 | 24.95% |
| Male | 69 | 12.75% |
| 65 years and over | 27 | 4.99% |
| Female | 66 | 12.20% |
| 65 years and over | 37 | 6.84% |
Households with individuals under 18 years in Zip Code 21521
*Base on 2010 Data
| Total | 133 | 24.58% |
Households with individuals under 65 years in Zip Code 21521
*Base on 2010 Data
| Total | 199 | 36.78% |
Average Household Size in Zip Code 21521
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Zip Code 21521
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Zip Code 21521
*Base on 2010 Data
| Total | 605 | 100.00% |
| Occupied housing units | 541 | 89.42% |
| Vacant housing units | 64 | 10.58% |
| For rent | 11 | 1.82% |
| Rented, not occupied | 2 | 0.33% |
| For sale only | 7 | 1.16% |
| Sold, not occupied | 25 | 4.13% |
| For seasonal, recreational, or occasional use | 8 | 1.32% |
| All other vacants | 11 | 1.82% |
Homeowner Vacancy Rate in Zip Code 21521
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.50% |
Rental Vacancy Rate in Zip Code 21521
*Base on 2010 Data
| Rental vacancy rate (percent) | 8.50% |
Housing Tenure(Occupied housing units) in Zip Code 21521
*Base on 2010 Data
| Total | 541 | 100.00% |
| Owner-occupied housing units | 425 | 78.56% |
| Renter-occupied housing units | 116 | 21.44% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Zip Code 21521
*Base on 2010 Data
| Owner-occupied housing units | 1,017 | 80.40% |
| Renter-occupied housing units | 248 | 19.60% |
Average Household Size of Occupied Housing Units by Tenure in Zip Code 21521
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |