Year Structure Built in Rock County
*Base on 2012 Data
| Total housing units | 68,369 | 100% |
| Built 2010 or later | 140 | 0.2% |
| Built 2000 to 2009 | 7,433 | 10.9% |
| Built 1990 to 1999 | 8,776 | 12.8% |
| Built 1980 to 1989 | 5,648 | 8.3% |
| Built 1970 to 1979 | 9,502 | 13.9% |
| Built 1960 to 1969 | 8,772 | 12.8% |
| Built 1950 to 1959 | 8,436 | 12.3% |
| Built 1940 to 1949 | 4,026 | 5.9% |
| Built 1939 or earlier | 15,636 | 22.9% |
Value in Rock County
*Base on 2012 Data
| Owner-occupied units | 45,442 | 100% |
| Less than $50,000 | 2,616 | 5.8% |
| $50,000 to $99,999 | 10,214 | 22.5% |
| $100,000 to $149,999 | 13,362 | 29.4% |
| $150,000 to $199,999 | 9,519 | 20.9% |
| $200,000 to $299,999 | 6,233 | 13.7% |
| $300,000 to $499,999 | 2,796 | 6.2% |
| $500,000 to $999,999 | 563 | 1.2% |
| $1,000,000 or more | 139 | 0.3% |
| Median (dollars) | 136,700 | 0% |
Selected Monthly Owner Costs (Smoc) in Rock County
*Base on 2012 Data
| Housing units with a mortgage | 32,231 | 100% |
| Less than $300 | 57 | 0.2% |
| $300 to $499 | 307 | 1.0% |
| $500 to $699 | 1,455 | 4.5% |
| $700 to $999 | 5,694 | 17.7% |
| $1,000 to $1,499 | 13,137 | 40.8% |
| $1,500 to $1,999 | 7,312 | 22.7% |
| $2,000 or more | 4,269 | 13.2% |
| Median (dollars) | 1,319 | 0% |
Housing Occupancy in Rock County
*Base on 2012 Data
| Total housing units | 68,369 | 100% |
| Occupied housing units | 63,006 | 92.2% |
| Vacant housing units | 5,363 | 7.8% |
| Homeowner vacancy rate | 2 | 0% |
| Rental vacancy rate | 7 | 0% |
Units In Structure in Rock County
*Base on 2012 Data
| Total housing units | 68,369 | 100% |
| 1-unit, detached | 50,941 | 74.5% |
| 1-unit, attached | 3,571 | 5.2% |
| 2 units | 3,383 | 4.9% |
| 3 or 4 units | 1,577 | 2.3% |
| 5 to 9 units | 2,630 | 3.8% |
| 10 to 19 units | 1,302 | 1.9% |
| 20 or more units | 3,257 | 4.8% |
| Mobile home | 1,708 | 2.5% |
| Boat, RV, van, etc. | 0 | 0.0% |
Rooms in Rock County
*Base on 2012 Data
| Total housing units | 68,369 | 100% |
| 1 room | 851 | 1.2% |
| 2 rooms | 688 | 1.0% |
| 3 rooms | 3,924 | 5.7% |
| 4 rooms | 9,784 | 14.3% |
| 5 rooms | 15,250 | 22.3% |
| 6 rooms | 13,581 | 19.9% |
| 7 rooms | 9,835 | 14.4% |
| 8 rooms | 6,956 | 10.2% |
| 9 rooms or more | 7,500 | 11.0% |
| Median rooms | 6 | 0% |
Bedrooms in Rock County
*Base on 2012 Data
| Total housing units | 68,369 | 100% |
| No bedroom | 914 | 1.3% |
| 1 bedroom | 5,218 | 7.6% |
| 2 bedrooms | 18,538 | 27.1% |
| 3 bedrooms | 32,346 | 47.3% |
| 4 bedrooms | 9,611 | 14.1% |
| 5 or more bedrooms | 1,742 | 2.5% |
Housing Tenure in Rock County
*Base on 2012 Data
| Occupied housing units | 63,006 | 100% |
| Owner-occupied | 45,442 | 72.1% |
| Renter-occupied | 17,564 | 27.9% |
| Average household size of owner-occupied unit | 3 | 0% |
| Average household size of renter-occupied unit | 2 | 0% |
Year Householder Moved Into Unit in Rock County
*Base on 2012 Data
| Occupied housing units | 63,006 | 100% |
| Moved in 2010 or later | 6,215 | 9.9% |
| Moved in 2000 to 2009 | 30,845 | 49.0% |
| Moved in 1990 to 1999 | 12,683 | 20.1% |
| Moved in 1980 to 1989 | 5,289 | 8.4% |
| Moved in 1970 to 1979 | 4,315 | 6.8% |
| Moved in 1969 or earlier | 3,659 | 5.8% |
Vehicles Available in Rock County
*Base on 2012 Data
| Occupied housing units | 63,006 | 100% |
| No vehicles available | 3,423 | 5.4% |
| 1 vehicle available | 19,869 | 31.5% |
| 2 vehicles available | 25,597 | 40.6% |
| 3 or more vehicles available | 14,117 | 22.4% |
House Heating Fuel in Rock County
*Base on 2012 Data
| Occupied housing units | 63,006 | 100% |
| Utility gas | 45,615 | 72.4% |
| Bottled, tank, or LP gas | 5,394 | 8.6% |
| Electricity | 8,788 | 13.9% |
| Fuel oil, kerosene, etc. | 1,175 | 1.9% |
| Coal or coke | 0 | 0.0% |
| Wood | 1,600 | 2.5% |
| Solar energy | 0 | 0.0% |
| Other fuel | 292 | 0.5% |
| No fuel used | 142 | 0.2% |
Selected Characteristics in Rock County
*Base on 2012 Data
| Occupied housing units | 63,006 | 100% |
| Lacking complete plumbing facilities | 111 | 0.2% |
| Lacking complete kitchen facilities | 421 | 0.7% |
| No telephone service available | 1,202 | 1.9% |
Occupants Per Room in Rock County
*Base on 2012 Data
| Occupied housing units | 63,006 | 100% |
| 1.00 or less | 62,039 | 98.5% |
| 1.01 to 1.50 | 802 | 1.3% |
| 1.51 or more | 165 | 0.3% |
Mortgage Status in Rock County
*Base on 2012 Data
| Owner-occupied units | 45,442 | 100% |
| Housing units with a mortgage | 32,231 | 70.9% |
| Housing units without a mortgage | 13,211 | 29.1% |
Selected Monthly Owner Costs (Smoc) - Housing units without a mortgage in Rock County
*Base on 2012 Data
| Housing units without a mortgage | 13,211 | 100% |
| Less than $100 | 42 | 0.3% |
| $100 to $199 | 186 | 1.4% |
| $200 to $299 | 962 | 7.3% |
| $300 to $399 | 2,513 | 19.0% |
| $400 or more | 9,508 | 72.0% |
| Median (dollars) | 483 | 0% |
Selected Monthly Owner Costs As A Percentage of Household Income (Smocapi) - Housing units with a mortgage in Rock County
*Base on 2012 Data
| Housing units with a mortgage (excluding units where SMOCAPI cannot be computed) | 32,145 | 100% |
| Less than 20.0 percent | 11,471 | 35.7% |
| 20.0 to 24.9 percent | 5,662 | 17.6% |
| 25.0 to 29.9 percent | 4,277 | 13.3% |
| 30.0 to 34.9 percent | 3,142 | 9.8% |
| 35.0 percent or more | 7,593 | 23.6% |
| Not computed | 86 | 0% |
Selected Monthly Owner Costs As A Percentage Of Household Income (Smocapi) - Housing unit without a mortgage in Rock County
*Base on 2012 Data
| Housing unit without a mortgage (excluding units where SMOCAPI cannot be computed) | 13,081 | 100% |
| Less than 10.0 percent | 4,264 | 32.6% |
| 10.0 to 14.9 percent | 3,134 | 24.0% |
| 15.0 to 19.9 percent | 1,962 | 15.0% |
| 20.0 to 24.9 percent | 1,178 | 9.0% |
| 25.0 to 29.9 percent | 757 | 5.8% |
| 30.0 to 34.9 percent | 453 | 3.5% |
| 35.0 percent or more | 1,333 | 10.2% |
| Not computed | 130 | 0% |
Gross Rent in Rock County
*Base on 2012 Data
| Occupied units paying rent | 16,797 | 100% |
| Less than $200 | 233 | 1.4% |
| $200 to $299 | 736 | 4.4% |
| $300 to $499 | 1,404 | 8.4% |
| $500 to $749 | 6,348 | 37.8% |
| $750 to $999 | 5,333 | 31.7% |
| $1,000 to $1,499 | 2,529 | 15.1% |
| $1,500 or more | 214 | 1.3% |
| Median (dollars) | 739 | 0% |
| No rent paid | 767 | 0% |
Gross Rent As A Percentage Of Household Income (grapi) in Rock County
*Base on 2012 Data
| Occupied units paying rent (excluding units where GRAPI cannot be computed) | 16,557 | 100% |
| Less than 15.0 percent | 1,739 | 10.5% |
| 15.0 to 19.9 percent | 2,051 | 12.4% |
| 20.0 to 24.9 percent | 2,135 | 12.9% |
| 25.0 to 29.9 percent | 1,762 | 10.6% |
| 30.0 to 34.9 percent | 1,424 | 8.6% |
| 35.0 percent or more | 7,446 | 45.0% |
| Not computed | 1,007 | 0% |