Population by Age in Zip Code 21204
*Base on 2010 Data
| Total population | 20,253 | 100.00% |
| Under 5 years | 661 | 3.26% |
| 5 to 9 years | 814 | 4.02% |
| 10 to 14 years | 876 | 4.33% |
| 15 to 19 years | 1,821 | 8.99% |
| 20 to 24 years | 3,992 | 19.71% |
| 25 to 29 years | 1,160 | 5.73% |
| 30 to 34 years | 884 | 4.36% |
| 35 to 39 years | 904 | 4.46% |
| 40 to 44 years | 1,039 | 5.13% |
| 45 to 49 years | 1,116 | 5.51% |
| 50 to 54 years | 1,090 | 5.38% |
| 55 to 59 years | 1,010 | 4.99% |
| 60 to 64 years | 1,012 | 5.00% |
| 65 to 69 years | 692 | 3.42% |
| 70 to 74 years | 582 | 2.87% |
| 75 to 79 years | 641 | 3.16% |
| 80 to 84 years | 783 | 3.87% |
| 85 years and over | 1,176 | 5.81% |
Male Population in Zip Code 21204
*Base on 2010 Data
| Male population | 9,607 | 47.43% |
| Under 5 years | 340 | 1.68% |
| 5 to 9 years | 417 | 2.06% |
| 10 to 14 years | 473 | 2.34% |
| 15 to 19 years | 810 | 4.00% |
| 20 to 24 years | 1,844 | 9.10% |
| 25 to 29 years | 713 | 3.52% |
| 30 to 34 years | 517 | 2.55% |
| 35 to 39 years | 476 | 2.35% |
| 40 to 44 years | 542 | 2.68% |
| 45 to 49 years | 596 | 2.94% |
| 50 to 54 years | 517 | 2.55% |
| 55 to 59 years | 498 | 2.46% |
| 60 to 64 years | 459 | 2.27% |
| 65 to 69 years | 326 | 1.61% |
| 70 to 74 years | 235 | 1.16% |
| 75 to 79 years | 244 | 1.20% |
| 80 to 84 years | 263 | 1.30% |
| 85 years and over | 337 | 1.66% |
Female Population in Zip Code 21204
*Base on 2010 Data
| Female population | 10,646 | 52.57% |
| Under 5 years | 321 | 1.58% |
| 5 to 9 years | 397 | 1.96% |
| 10 to 14 years | 403 | 1.99% |
| 15 to 19 years | 1,011 | 4.99% |
| 20 to 24 years | 2,148 | 10.61% |
| 25 to 29 years | 447 | 2.21% |
| 30 to 34 years | 367 | 1.81% |
| 35 to 39 years | 428 | 2.11% |
| 40 to 44 years | 497 | 2.45% |
| 45 to 49 years | 520 | 2.57% |
| 50 to 54 years | 573 | 2.83% |
| 55 to 59 years | 512 | 2.53% |
| 60 to 64 years | 553 | 2.73% |
| 65 to 69 years | 366 | 1.81% |
| 70 to 74 years | 347 | 1.71% |
| 75 to 79 years | 397 | 1.96% |
| 80 to 84 years | 520 | 2.57% |
| 85 years and over | 839 | 4.14% |
Median Age in Zip Code 21204
*Base on 2010 Data
| Both | 34.50% | |
| Male | 31.80% | |
| Female | 37.70% |
Race in Zip Code 21204
*Base on 2010 Data
| Total | 20,253 | 100.00% |
| Population of one race | 19,901 | 98.26% |
| White | 16,814 | 83.02% |
| Black or African American | 1,983 | 9.79% |
| American Indian and Alaska Native | 33 | 0.16% |
| Asian | 848 | 4.19% |
| Asian Indian | 238 | 1.18% |
| Chinese | 235 | 1.16% |
| Filipino | 82 | 0.40% |
| Japanese | 17 | 0.08% |
| Korean | 150 | 0.74% |
| Vietnamese | 19 | 0.09% |
| Other Asian | 107 | 0.53% |
| Native Hawaiian and Other Pacific Islander | 6 | 0.03% |
| Native Hawaiian | 1 | 0.00% |
| Guamanian or Chamorro | 2 | 0.01% |
| Samoan | 2 | 0.01% |
| Other Pacific Islander | 1 | 0.00% |
| Some Other Race | 217 | 1.07% |
| Population of Two or More Races | 352 | 1.74% |
| White; American Indian and Alaska Native | 27 | 0.13% |
| White; Asian | 130 | 0.64% |
| White; Black or African American | 74 | 0.37% |
| White; Some Other Race | 39 | 0.19% |
The Population 16 Years in Zip Code 21204
*Base on 2010 Data
| Total | 17,713 | 100.00% |
| Male | 8,288 | 46.79% |
| Female | 9,425 | 53.21% |
The Population 18 Years in Zip Code 21204
*Base on 2010 Data
| Total | 17,268 | 100.00% |
| Male | 8,043 | 46.58% |
| Female | 9,225 | 53.42% |
The Population 21 Years in Zip Code 21204
*Base on 2010 Data
| Total | 14,824 | 100.00% |
| Male | 7,063 | 47.65% |
| Female | 7,761 | 52.35% |
The Population 62 Years in Zip Code 21204
*Base on 2010 Data
| Total | 4,487 | 100.00% |
| Male | 1,693 | 37.73% |
| Female | 2,794 | 62.27% |
The Population 65 Years in Zip Code 21204
*Base on 2010 Data
| Total | 3,874 | 100.00% |
| Male | 1,405 | 36.27% |
| Female | 2,469 | 63.73% |
Race (total races tallied) in Zip Code 21204
*Base on 2010 Data
| White alone or in combination with one or more other races | 17,113 | 82.92% |
| Black or African American alone or in combination with one or more other races | 2,117 | 10.26% |
| American Indian and Alaska Native alone or in combination with one or more other races | 96 | 0.47% |
| Asian alone or in combination with one or more other races | 1,016 | 4.92% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 24 | 0.12% |
| Some Other Race alone or in combination with one or more other races | 273 | 1.32% |
Hispanic or Latino by Specific Origin in Zip Code 21204
*Base on 2010 Data
| Total | 20,253 | 100.00% |
| Hispanic or Latino (of any race) | 703 | 3.47% |
| Mexican | 173 | 0.85% |
| Puerto Rican | 127 | 0.63% |
| Cuban | 32 | 0.16% |
| Other Hispanic or Latino | 371 | 1.83% |
| Not Hispanic or Latino | 19,550 | 96.53% |
Hispanic or Latino and Race in Zip Code 21204
*Base on 2010 Data
| Total | 20,253 | 100.00% |
| Hispanic or Latino | 703 | 3.47% |
| White alone | 413 | 2.04% |
| Black or African American alone | 42 | 0.21% |
| American Indian and Alaska Native alone | 2 | 0.01% |
| Asian alone | 5 | 0.02% |
| Native Hawaiian and Other Pacific Islander alone | 0 | 0.00% |
| Some Other Race alone | 183 | 0.90% |
| Two or More Races | 58 | 0.29% |
| Not Hispanic or Latino | 19,550 | 96.53% |
| White alone | 16,401 | 80.98% |
| Black or African American alone | 1,941 | 9.58% |
| American Indian and Alaska Native alone | 31 | 0.15% |
| Asian alone | 843 | 4.16% |
| Native Hawaiian and Other Pacific Islander alone | 6 | 0.03% |
| Some Other Race alone | 34 | 0.17% |
| Two or More Races | 294 | 1.45% |
Relationship in Zip Code 21204
*Base on 2010 Data
| Total | 20,253 | 100.00% |
| In households | 16,362 | 80.79% |
| Householder | 7,580 | 37.43% |
| Spouse | 2,850 | 14.07% |
| Child | 3,522 | 17.39% |
| Own child under 18 years | 2,773 | 13.69% |
| Other relatives | 400 | 1.98% |
| Under 18 years | 76 | 0.38% |
| 65 years and over | 92 | 0.45% |
| Nonrelatives | 2,010 | 9.92% |
| Under 18 years | 17 | 0.08% |
| 65 years and over | 55 | 0.27% |
| Unmarried partner | 332 | 1.64% |
| In group quarters | 3,891 | 19.21% |
| Institutionalized population | 2,316 | 11.44% |
| Male | 1,489 | 7.35% |
| Female | 827 | 4.08% |
| Noninstitutionalized population | 1,575 | 7.78% |
| Male | 586 | 2.89% |
| Female | 989 | 4.88% |
Households by Type in Zip Code 21204
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 7,580 | 100.00% |
| Family households (families) | 3,528 | 46.54% |
| With own children under 18 years | 1,492 | 19.68% |
| Husband-wife family | 2,850 | 37.60% |
| With own children under 18 years | 1,205 | 15.90% |
| Male householder, no wife present | 178 | 2.35% |
| With own children under 18 years | 72 | 0.95% |
| Female householder, no husband present | 500 | 6.60% |
| With own children under 18 years | 215 | 2.84% |
| Nonfamily households | 4,052 | 53.46% |
| Householder living alone | 2,754 | 36.33% |
| Male | 974 | 12.85% |
| 65 years and over | 317 | 4.18% |
| Female | 1,780 | 23.48% |
| 65 years and over | 1,027 | 13.55% |
Households with individuals under 18 years in Zip Code 21204
*Base on 2010 Data
| Total | 1,551 | 20.46% |
Households with individuals under 65 years in Zip Code 21204
*Base on 2010 Data
| Total | 2,380 | 31.40% |
Average Household Size in Zip Code 21204
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Zip Code 21204
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Zip Code 21204
*Base on 2010 Data
| Total | 8,274 | 100.00% |
| Occupied housing units | 7,580 | 91.61% |
| Vacant housing units | 694 | 8.39% |
| For rent | 466 | 5.63% |
| Rented, not occupied | 28 | 0.34% |
| For sale only | 56 | 0.68% |
| Sold, not occupied | 15 | 0.18% |
| For seasonal, recreational, or occasional use | 40 | 0.48% |
| All other vacants | 89 | 1.08% |
Homeowner Vacancy Rate in Zip Code 21204
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.50% |
Rental Vacancy Rate in Zip Code 21204
*Base on 2010 Data
| Rental vacancy rate (percent) | 10.80% |
Housing Tenure(Occupied housing units) in Zip Code 21204
*Base on 2010 Data
| Total | 7,580 | 100.00% |
| Owner-occupied housing units | 3,757 | 49.56% |
| Renter-occupied housing units | 3,823 | 50.44% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Zip Code 21204
*Base on 2010 Data
| Owner-occupied housing units | 9,292 | 56.79% |
| Renter-occupied housing units | 7,070 | 43.21% |
Average Household Size of Occupied Housing Units by Tenure in Zip Code 21204
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |