Year Structure Built in Zip Code 21904
*Base on 2012 Data
| Total housing units | 2,875 | 100% |
| Built 2010 or later | 23 | 0.8% |
| Built 2000 to 2009 | 382 | 13.3% |
| Built 1990 to 1999 | 657 | 22.9% |
| Built 1980 to 1989 | 501 | 17.4% |
| Built 1970 to 1979 | 505 | 17.6% |
| Built 1960 to 1969 | 124 | 4.3% |
| Built 1950 to 1959 | 86 | 3.0% |
| Built 1940 to 1949 | 71 | 2.5% |
| Built 1939 or earlier | 526 | 18.3% |
Value in Zip Code 21904
*Base on 2012 Data
| Owner-occupied units | 2,120 | 100% |
| Less than $50,000 | 432 | 20.4% |
| $50,000 to $99,999 | 86 | 4.1% |
| $100,000 to $149,999 | 187 | 8.8% |
| $150,000 to $199,999 | 131 | 6.2% |
| $200,000 to $299,999 | 629 | 29.7% |
| $300,000 to $499,999 | 476 | 22.5% |
| $500,000 to $999,999 | 161 | 7.6% |
| $1,000,000 or more | 18 | 0.8% |
| Median (dollars) | 231,000 | 0% |
Selected Monthly Owner Costs (Smoc) in Zip Code 21904
*Base on 2012 Data
| Housing units with a mortgage | 1,468 | 100% |
| Less than $300 | 0 | 0.0% |
| $300 to $499 | 0 | 0.0% |
| $500 to $699 | 77 | 5.2% |
| $700 to $999 | 155 | 10.6% |
| $1,000 to $1,499 | 354 | 24.1% |
| $1,500 to $1,999 | 368 | 25.1% |
| $2,000 or more | 514 | 35.0% |
| Median (dollars) | 1,733 | 0% |
Housing Occupancy in Zip Code 21904
*Base on 2012 Data
| Total housing units | 2,875 | 100% |
| Occupied housing units | 2,649 | 92.1% |
| Vacant housing units | 226 | 7.9% |
| Homeowner vacancy rate | 2 | 0% |
| Rental vacancy rate | 7 | 0% |
Units In Structure in Zip Code 21904
*Base on 2012 Data
| Total housing units | 2,875 | 100% |
| 1-unit, detached | 1,701 | 59.2% |
| 1-unit, attached | 112 | 3.9% |
| 2 units | 185 | 6.4% |
| 3 or 4 units | 56 | 1.9% |
| 5 to 9 units | 54 | 1.9% |
| 10 to 19 units | 61 | 2.1% |
| 20 or more units | 39 | 1.4% |
| Mobile home | 667 | 23.2% |
| Boat, RV, van, etc. | 0 | 0.0% |
Rooms in Zip Code 21904
*Base on 2012 Data
| Total housing units | 2,875 | 100% |
| 1 room | 52 | 1.8% |
| 2 rooms | 12 | 0.4% |
| 3 rooms | 124 | 4.3% |
| 4 rooms | 504 | 17.5% |
| 5 rooms | 565 | 19.7% |
| 6 rooms | 445 | 15.5% |
| 7 rooms | 450 | 15.7% |
| 8 rooms | 265 | 9.2% |
| 9 rooms or more | 458 | 15.9% |
| Median rooms | 6 | 0% |
Bedrooms in Zip Code 21904
*Base on 2012 Data
| Total housing units | 2,875 | 100% |
| No bedroom | 52 | 1.8% |
| 1 bedroom | 115 | 4.0% |
| 2 bedrooms | 658 | 22.9% |
| 3 bedrooms | 1,380 | 48.0% |
| 4 bedrooms | 594 | 20.7% |
| 5 or more bedrooms | 76 | 2.6% |
Housing Tenure in Zip Code 21904
*Base on 2012 Data
| Occupied housing units | 2,649 | 100% |
| Owner-occupied | 2,120 | 80.0% |
| Renter-occupied | 529 | 20.0% |
| Average household size of owner-occupied unit | 3 | 0% |
| Average household size of renter-occupied unit | 2 | 0% |
Year Householder Moved Into Unit in Zip Code 21904
*Base on 2012 Data
| Occupied housing units | 2,649 | 100% |
| Moved in 2010 or later | 313 | 11.8% |
| Moved in 2000 to 2009 | 1,089 | 41.1% |
| Moved in 1990 to 1999 | 666 | 25.1% |
| Moved in 1980 to 1989 | 328 | 12.4% |
| Moved in 1970 to 1979 | 174 | 6.6% |
| Moved in 1969 or earlier | 79 | 3.0% |
Vehicles Available in Zip Code 21904
*Base on 2012 Data
| Occupied housing units | 2,649 | 100% |
| No vehicles available | 86 | 3.2% |
| 1 vehicle available | 636 | 24.0% |
| 2 vehicles available | 1,139 | 43.0% |
| 3 or more vehicles available | 788 | 29.7% |
House Heating Fuel in Zip Code 21904
*Base on 2012 Data
| Occupied housing units | 2,649 | 100% |
| Utility gas | 195 | 7.4% |
| Bottled, tank, or LP gas | 717 | 27.1% |
| Electricity | 817 | 30.8% |
| Fuel oil, kerosene, etc. | 739 | 27.9% |
| Coal or coke | 14 | 0.5% |
| Wood | 167 | 6.3% |
| Solar energy | 0 | 0.0% |
| Other fuel | 0 | 0.0% |
| No fuel used | 0 | 0.0% |
Selected Characteristics in Zip Code 21904
*Base on 2012 Data
| Occupied housing units | 2,649 | 100% |
| Lacking complete plumbing facilities | 12 | 0.5% |
| Lacking complete kitchen facilities | 12 | 0.5% |
| No telephone service available | 35 | 1.3% |
Occupants Per Room in Zip Code 21904
*Base on 2012 Data
| Occupied housing units | 2,649 | 100% |
| 1.00 or less | 2,564 | 96.8% |
| 1.01 to 1.50 | 74 | 2.8% |
| 1.51 or more | 11 | 0.4% |
Mortgage Status in Zip Code 21904
*Base on 2012 Data
| Owner-occupied units | 2,120 | 100% |
| Housing units with a mortgage | 1,468 | 69.2% |
| Housing units without a mortgage | 652 | 30.8% |
Selected Monthly Owner Costs (Smoc) - Housing units without a mortgage in Zip Code 21904
*Base on 2012 Data
| Housing units without a mortgage | 652 | 100% |
| Less than $100 | 0 | 0.0% |
| $100 to $199 | 0 | 0.0% |
| $200 to $299 | 53 | 8.1% |
| $300 to $399 | 93 | 14.3% |
| $400 or more | 506 | 77.6% |
| Median (dollars) | 679 | 0% |
Selected Monthly Owner Costs As A Percentage of Household Income (Smocapi) - Housing units with a mortgage in Zip Code 21904
*Base on 2012 Data
| Housing units with a mortgage (excluding units where SMOCAPI cannot be computed) | 1,468 | 100% |
| Less than 20.0 percent | 580 | 39.5% |
| 20.0 to 24.9 percent | 216 | 14.7% |
| 25.0 to 29.9 percent | 169 | 11.5% |
| 30.0 to 34.9 percent | 156 | 10.6% |
| 35.0 percent or more | 347 | 23.6% |
| Not computed | 0 | 0% |
Selected Monthly Owner Costs As A Percentage Of Household Income (Smocapi) - Housing unit without a mortgage in Zip Code 21904
*Base on 2012 Data
| Housing unit without a mortgage (excluding units where SMOCAPI cannot be computed) | 652 | 100% |
| Less than 10.0 percent | 239 | 36.7% |
| 10.0 to 14.9 percent | 70 | 10.7% |
| 15.0 to 19.9 percent | 141 | 21.6% |
| 20.0 to 24.9 percent | 78 | 12.0% |
| 25.0 to 29.9 percent | 26 | 4.0% |
| 30.0 to 34.9 percent | 21 | 3.2% |
| 35.0 percent or more | 77 | 11.8% |
| Not computed | 0 | 0% |
Gross Rent in Zip Code 21904
*Base on 2012 Data
| Occupied units paying rent | 463 | 100% |
| Less than $200 | 0 | 0.0% |
| $200 to $299 | 0 | 0.0% |
| $300 to $499 | 4 | 0.9% |
| $500 to $749 | 122 | 26.3% |
| $750 to $999 | 190 | 41.0% |
| $1,000 to $1,499 | 102 | 22.0% |
| $1,500 or more | 45 | 9.7% |
| Median (dollars) | 849 | 0% |
| No rent paid | 66 | 0% |
Gross Rent As A Percentage Of Household Income (grapi) in Zip Code 21904
*Base on 2012 Data
| Occupied units paying rent (excluding units where GRAPI cannot be computed) | 463 | 100% |
| Less than 15.0 percent | 84 | 18.1% |
| 15.0 to 19.9 percent | 52 | 11.2% |
| 20.0 to 24.9 percent | 61 | 13.2% |
| 25.0 to 29.9 percent | 31 | 6.7% |
| 30.0 to 34.9 percent | 45 | 9.7% |
| 35.0 percent or more | 190 | 41.0% |
| Not computed | 66 | 0% |