Population by Age in Zip Code 21104
*Base on 2010 Data
| Total population | 4,601 | 100.00% |
| Under 5 years | 243 | 5.28% |
| 5 to 9 years | 372 | 8.09% |
| 10 to 14 years | 439 | 9.54% |
| 15 to 19 years | 385 | 8.37% |
| 20 to 24 years | 213 | 4.63% |
| 25 to 29 years | 132 | 2.87% |
| 30 to 34 years | 132 | 2.87% |
| 35 to 39 years | 262 | 5.69% |
| 40 to 44 years | 401 | 8.72% |
| 45 to 49 years | 490 | 10.65% |
| 50 to 54 years | 466 | 10.13% |
| 55 to 59 years | 352 | 7.65% |
| 60 to 64 years | 260 | 5.65% |
| 65 to 69 years | 178 | 3.87% |
| 70 to 74 years | 113 | 2.46% |
| 75 to 79 years | 76 | 1.65% |
| 80 to 84 years | 49 | 1.06% |
| 85 years and over | 38 | 0.83% |
Male Population in Zip Code 21104
*Base on 2010 Data
| Male population | 2,330 | 50.64% |
| Under 5 years | 121 | 2.63% |
| 5 to 9 years | 199 | 4.33% |
| 10 to 14 years | 241 | 5.24% |
| 15 to 19 years | 228 | 4.96% |
| 20 to 24 years | 117 | 2.54% |
| 25 to 29 years | 65 | 1.41% |
| 30 to 34 years | 65 | 1.41% |
| 35 to 39 years | 114 | 2.48% |
| 40 to 44 years | 198 | 4.30% |
| 45 to 49 years | 240 | 5.22% |
| 50 to 54 years | 235 | 5.11% |
| 55 to 59 years | 171 | 3.72% |
| 60 to 64 years | 135 | 2.93% |
| 65 to 69 years | 84 | 1.83% |
| 70 to 74 years | 54 | 1.17% |
| 75 to 79 years | 35 | 0.76% |
| 80 to 84 years | 18 | 0.39% |
| 85 years and over | 10 | 0.22% |
Female Population in Zip Code 21104
*Base on 2010 Data
| Female population | 2,271 | 49.36% |
| Under 5 years | 122 | 2.65% |
| 5 to 9 years | 173 | 3.76% |
| 10 to 14 years | 198 | 4.30% |
| 15 to 19 years | 157 | 3.41% |
| 20 to 24 years | 96 | 2.09% |
| 25 to 29 years | 67 | 1.46% |
| 30 to 34 years | 67 | 1.46% |
| 35 to 39 years | 148 | 3.22% |
| 40 to 44 years | 203 | 4.41% |
| 45 to 49 years | 250 | 5.43% |
| 50 to 54 years | 231 | 5.02% |
| 55 to 59 years | 181 | 3.93% |
| 60 to 64 years | 125 | 2.72% |
| 65 to 69 years | 94 | 2.04% |
| 70 to 74 years | 59 | 1.28% |
| 75 to 79 years | 41 | 0.89% |
| 80 to 84 years | 31 | 0.67% |
| 85 years and over | 28 | 0.61% |
Median Age in Zip Code 21104
*Base on 2010 Data
| Both | 41.80% | |
| Male | 40.40% | |
| Female | 43.20% |
Race in Zip Code 21104
*Base on 2010 Data
| Total | 4,601 | 100.00% |
| Population of one race | 4,518 | 98.20% |
| White | 4,058 | 88.20% |
| Black or African American | 182 | 3.96% |
| American Indian and Alaska Native | 7 | 0.15% |
| Asian | 239 | 5.19% |
| Asian Indian | 79 | 1.72% |
| Chinese | 22 | 0.48% |
| Filipino | 20 | 0.43% |
| Japanese | 1 | 0.02% |
| Korean | 75 | 1.63% |
| Vietnamese | 12 | 0.26% |
| Other Asian | 30 | 0.65% |
| 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 | 32 | 0.70% |
| Population of Two or More Races | 83 | 1.80% |
| White; American Indian and Alaska Native | 10 | 0.22% |
| White; Asian | 41 | 0.89% |
| White; Black or African American | 20 | 0.43% |
| White; Some Other Race | 4 | 0.09% |
The Population 16 Years in Zip Code 21104
*Base on 2010 Data
| Total | 3,439 | 100.00% |
| Male | 1,711 | 49.75% |
| Female | 1,728 | 50.25% |
The Population 18 Years in Zip Code 21104
*Base on 2010 Data
| Total | 3,272 | 100.00% |
| Male | 1,604 | 49.02% |
| Female | 1,668 | 50.98% |
The Population 21 Years in Zip Code 21104
*Base on 2010 Data
| Total | 3,128 | 100.00% |
| Male | 1,524 | 48.72% |
| Female | 1,604 | 51.28% |
The Population 62 Years in Zip Code 21104
*Base on 2010 Data
| Total | 606 | 100.00% |
| Male | 283 | 46.70% |
| Female | 323 | 53.30% |
The Population 65 Years in Zip Code 21104
*Base on 2010 Data
| Total | 454 | 100.00% |
| Male | 201 | 44.27% |
| Female | 253 | 55.73% |
Race (total races tallied) in Zip Code 21104
*Base on 2010 Data
| White alone or in combination with one or more other races | 4,138 | 88.25% |
| Black or African American alone or in combination with one or more other races | 210 | 4.48% |
| American Indian and Alaska Native alone or in combination with one or more other races | 17 | 0.36% |
| Asian alone or in combination with one or more other races | 286 | 6.10% |
| 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 | 38 | 0.81% |
Hispanic or Latino by Specific Origin in Zip Code 21104
*Base on 2010 Data
| Total | 4,601 | 100.00% |
| Hispanic or Latino (of any race) | 73 | 1.59% |
| Mexican | 6 | 0.13% |
| Puerto Rican | 15 | 0.33% |
| Cuban | 6 | 0.13% |
| Other Hispanic or Latino | 46 | 1.00% |
| Not Hispanic or Latino | 4,528 | 98.41% |
Hispanic or Latino and Race in Zip Code 21104
*Base on 2010 Data
| Total | 4,601 | 100.00% |
| Hispanic or Latino | 73 | 1.59% |
| White alone | 37 | 0.80% |
| Black or African American alone | 0 | 0.00% |
| American Indian and Alaska Native alone | 1 | 0.02% |
| Asian alone | 1 | 0.02% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 24 | 0.52% |
| Two or More Races | 10 | 0.22% |
| Not Hispanic or Latino | 4,528 | 98.41% |
| White alone | 4,021 | 87.39% |
| Black or African American alone | 182 | 3.96% |
| American Indian and Alaska Native alone | 6 | 0.13% |
| Asian alone | 238 | 5.17% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 8 | 0.17% |
| Two or More Races | 73 | 1.59% |
Relationship in Zip Code 21104
*Base on 2010 Data
| Total | 4,601 | 100.00% |
| In households | 4,579 | 99.52% |
| Householder | 1,465 | 31.84% |
| Spouse | 1,137 | 24.71% |
| Child | 1,686 | 36.64% |
| Own child under 18 years | 1,273 | 27.67% |
| Other relatives | 179 | 3.89% |
| Under 18 years | 46 | 1.00% |
| 65 years and over | 54 | 1.17% |
| Nonrelatives | 112 | 2.43% |
| Under 18 years | 10 | 0.22% |
| 65 years and over | 11 | 0.24% |
| Unmarried partner | 49 | 1.06% |
| In group quarters | 22 | 0.48% |
| Institutionalized population | 13 | 0.28% |
| Male | 4 | 0.09% |
| Female | 9 | 0.20% |
| Noninstitutionalized population | 9 | 0.20% |
| Male | 0 | 0.00% |
| Female | 9 | 0.20% |
Households by Type in Zip Code 21104
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 1,465 | 100.00% |
| Family households (families) | 1,264 | 86.28% |
| With own children under 18 years | 650 | 44.37% |
| Husband-wife family | 1,137 | 77.61% |
| With own children under 18 years | 593 | 40.48% |
| Male householder, no wife present | 39 | 2.66% |
| With own children under 18 years | 19 | 1.30% |
| Female householder, no husband present | 88 | 6.01% |
| With own children under 18 years | 38 | 2.59% |
| Nonfamily households | 201 | 13.72% |
| Householder living alone | 155 | 10.58% |
| Male | 70 | 4.78% |
| 65 years and over | 21 | 1.43% |
| Female | 85 | 5.80% |
| 65 years and over | 43 | 2.94% |
Households with individuals under 18 years in Zip Code 21104
*Base on 2010 Data
| Total | 681 | 46.48% |
Households with individuals under 65 years in Zip Code 21104
*Base on 2010 Data
| Total | 314 | 21.43% |
Average Household Size in Zip Code 21104
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in Zip Code 21104
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Zip Code 21104
*Base on 2010 Data
| Total | 1,506 | 100.00% |
| Occupied housing units | 1,465 | 97.28% |
| Vacant housing units | 41 | 2.72% |
| For rent | 5 | 0.33% |
| Rented, not occupied | 1 | 0.07% |
| For sale only | 10 | 0.66% |
| Sold, not occupied | 3 | 0.20% |
| For seasonal, recreational, or occasional use | 3 | 0.20% |
| All other vacants | 19 | 1.26% |
Homeowner Vacancy Rate in Zip Code 21104
*Base on 2010 Data
| Homeowner vacancy rate (percent) | .70% |
Rental Vacancy Rate in Zip Code 21104
*Base on 2010 Data
| Rental vacancy rate (percent) | 6.10% |
Housing Tenure(Occupied housing units) in Zip Code 21104
*Base on 2010 Data
| Total | 1,465 | 100.00% |
| Owner-occupied housing units | 1,389 | 94.81% |
| Renter-occupied housing units | 76 | 5.19% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Zip Code 21104
*Base on 2010 Data
| Owner-occupied housing units | 4,374 | 95.52% |
| Renter-occupied housing units | 205 | 4.48% |
Average Household Size of Occupied Housing Units by Tenure in Zip Code 21104
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 3 | % |