Year Structure Built in Zip Code 21742
*Base on 2012 Data
| Total housing units | 13,383 | 100% |
| Built 2010 or later | 41 | 0.3% |
| Built 2000 to 2009 | 2,612 | 19.5% |
| Built 1990 to 1999 | 2,548 | 19.0% |
| Built 1980 to 1989 | 1,459 | 10.9% |
| Built 1970 to 1979 | 1,413 | 10.6% |
| Built 1960 to 1969 | 1,334 | 10.0% |
| Built 1950 to 1959 | 1,569 | 11.7% |
| Built 1940 to 1949 | 1,042 | 7.8% |
| Built 1939 or earlier | 1,365 | 10.2% |
Value in Zip Code 21742
*Base on 2012 Data
| Owner-occupied units | 8,413 | 100% |
| Less than $50,000 | 302 | 3.6% |
| $50,000 to $99,999 | 201 | 2.4% |
| $100,000 to $149,999 | 689 | 8.2% |
| $150,000 to $199,999 | 1,590 | 18.9% |
| $200,000 to $299,999 | 2,942 | 35.0% |
| $300,000 to $499,999 | 1,986 | 23.6% |
| $500,000 to $999,999 | 623 | 7.4% |
| $1,000,000 or more | 80 | 1.0% |
| Median (dollars) | 245,600 | 0% |
Selected Monthly Owner Costs (Smoc) in Zip Code 21742
*Base on 2012 Data
| Housing units with a mortgage | 5,715 | 100% |
| Less than $300 | 0 | 0.0% |
| $300 to $499 | 54 | 0.9% |
| $500 to $699 | 179 | 3.1% |
| $700 to $999 | 424 | 7.4% |
| $1,000 to $1,499 | 1,596 | 27.9% |
| $1,500 to $1,999 | 1,263 | 22.1% |
| $2,000 or more | 2,199 | 38.5% |
| Median (dollars) | 1,733 | 0% |
Housing Occupancy in Zip Code 21742
*Base on 2012 Data
| Total housing units | 13,383 | 100% |
| Occupied housing units | 12,736 | 95.2% |
| Vacant housing units | 647 | 4.8% |
| Homeowner vacancy rate | 0 | 0% |
| Rental vacancy rate | 4 | 0% |
Units In Structure in Zip Code 21742
*Base on 2012 Data
| Total housing units | 13,383 | 100% |
| 1-unit, detached | 7,931 | 59.3% |
| 1-unit, attached | 2,154 | 16.1% |
| 2 units | 206 | 1.5% |
| 3 or 4 units | 326 | 2.4% |
| 5 to 9 units | 421 | 3.1% |
| 10 to 19 units | 1,296 | 9.7% |
| 20 or more units | 687 | 5.1% |
| Mobile home | 362 | 2.7% |
| Boat, RV, van, etc. | 0 | 0.0% |
Rooms in Zip Code 21742
*Base on 2012 Data
| Total housing units | 13,383 | 100% |
| 1 room | 12 | 0.1% |
| 2 rooms | 162 | 1.2% |
| 3 rooms | 593 | 4.4% |
| 4 rooms | 1,648 | 12.3% |
| 5 rooms | 2,294 | 17.1% |
| 6 rooms | 2,543 | 19.0% |
| 7 rooms | 1,599 | 11.9% |
| 8 rooms | 1,703 | 12.7% |
| 9 rooms or more | 2,829 | 21.1% |
| Median rooms | 6 | 0% |
Bedrooms in Zip Code 21742
*Base on 2012 Data
| Total housing units | 13,383 | 100% |
| No bedroom | 19 | 0.1% |
| 1 bedroom | 943 | 7.0% |
| 2 bedrooms | 3,324 | 24.8% |
| 3 bedrooms | 5,798 | 43.3% |
| 4 bedrooms | 2,388 | 17.8% |
| 5 or more bedrooms | 911 | 6.8% |
Housing Tenure in Zip Code 21742
*Base on 2012 Data
| Occupied housing units | 12,736 | 100% |
| Owner-occupied | 8,413 | 66.1% |
| Renter-occupied | 4,323 | 33.9% |
| 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 21742
*Base on 2012 Data
| Occupied housing units | 12,736 | 100% |
| Moved in 2010 or later | 1,458 | 11.4% |
| Moved in 2000 to 2009 | 6,618 | 52.0% |
| Moved in 1990 to 1999 | 2,235 | 17.5% |
| Moved in 1980 to 1989 | 1,071 | 8.4% |
| Moved in 1970 to 1979 | 651 | 5.1% |
| Moved in 1969 or earlier | 703 | 5.5% |
Vehicles Available in Zip Code 21742
*Base on 2012 Data
| Occupied housing units | 12,736 | 100% |
| No vehicles available | 731 | 5.7% |
| 1 vehicle available | 3,828 | 30.1% |
| 2 vehicles available | 5,001 | 39.3% |
| 3 or more vehicles available | 3,176 | 24.9% |
House Heating Fuel in Zip Code 21742
*Base on 2012 Data
| Occupied housing units | 12,736 | 100% |
| Utility gas | 3,707 | 29.1% |
| Bottled, tank, or LP gas | 295 | 2.3% |
| Electricity | 5,662 | 44.5% |
| Fuel oil, kerosene, etc. | 2,771 | 21.8% |
| Coal or coke | 0 | 0.0% |
| Wood | 182 | 1.4% |
| Solar energy | 0 | 0.0% |
| Other fuel | 98 | 0.8% |
| No fuel used | 21 | 0.2% |
Selected Characteristics in Zip Code 21742
*Base on 2012 Data
| Occupied housing units | 12,736 | 100% |
| Lacking complete plumbing facilities | 0 | 0.0% |
| Lacking complete kitchen facilities | 56 | 0.4% |
| No telephone service available | 285 | 2.2% |
Occupants Per Room in Zip Code 21742
*Base on 2012 Data
| Occupied housing units | 12,736 | 100% |
| 1.00 or less | 12,633 | 99.2% |
| 1.01 to 1.50 | 97 | 0.8% |
| 1.51 or more | 6 | 0.0% |
Mortgage Status in Zip Code 21742
*Base on 2012 Data
| Owner-occupied units | 8,413 | 100% |
| Housing units with a mortgage | 5,715 | 67.9% |
| Housing units without a mortgage | 2,698 | 32.1% |
Selected Monthly Owner Costs (Smoc) - Housing units without a mortgage in Zip Code 21742
*Base on 2012 Data
| Housing units without a mortgage | 2,698 | 100% |
| Less than $100 | 0 | 0.0% |
| $100 to $199 | 57 | 2.1% |
| $200 to $299 | 246 | 9.1% |
| $300 to $399 | 499 | 18.5% |
| $400 or more | 1,896 | 70.3% |
| Median (dollars) | 501 | 0% |
Selected Monthly Owner Costs As A Percentage of Household Income (Smocapi) - Housing units with a mortgage in Zip Code 21742
*Base on 2012 Data
| Housing units with a mortgage (excluding units where SMOCAPI cannot be computed) | 5,666 | 100% |
| Less than 20.0 percent | 2,123 | 37.5% |
| 20.0 to 24.9 percent | 1,039 | 18.3% |
| 25.0 to 29.9 percent | 684 | 12.1% |
| 30.0 to 34.9 percent | 321 | 5.7% |
| 35.0 percent or more | 1,499 | 26.5% |
| Not computed | 49 | 0% |
Selected Monthly Owner Costs As A Percentage Of Household Income (Smocapi) - Housing unit without a mortgage in Zip Code 21742
*Base on 2012 Data
| Housing unit without a mortgage (excluding units where SMOCAPI cannot be computed) | 2,661 | 100% |
| Less than 10.0 percent | 1,135 | 42.7% |
| 10.0 to 14.9 percent | 583 | 21.9% |
| 15.0 to 19.9 percent | 247 | 9.3% |
| 20.0 to 24.9 percent | 276 | 10.4% |
| 25.0 to 29.9 percent | 105 | 3.9% |
| 30.0 to 34.9 percent | 70 | 2.6% |
| 35.0 percent or more | 245 | 9.2% |
| Not computed | 37 | 0% |
Gross Rent in Zip Code 21742
*Base on 2012 Data
| Occupied units paying rent | 4,146 | 100% |
| Less than $200 | 24 | 0.6% |
| $200 to $299 | 112 | 2.7% |
| $300 to $499 | 129 | 3.1% |
| $500 to $749 | 766 | 18.5% |
| $750 to $999 | 1,189 | 28.7% |
| $1,000 to $1,499 | 1,559 | 37.6% |
| $1,500 or more | 367 | 8.9% |
| Median (dollars) | 948 | 0% |
| No rent paid | 177 | 0% |
Gross Rent As A Percentage Of Household Income (grapi) in Zip Code 21742
*Base on 2012 Data
| Occupied units paying rent (excluding units where GRAPI cannot be computed) | 4,138 | 100% |
| Less than 15.0 percent | 535 | 12.9% |
| 15.0 to 19.9 percent | 600 | 14.5% |
| 20.0 to 24.9 percent | 643 | 15.5% |
| 25.0 to 29.9 percent | 504 | 12.2% |
| 30.0 to 34.9 percent | 282 | 6.8% |
| 35.0 percent or more | 1,574 | 38.0% |
| Not computed | 185 | 0% |