| HOUSING | Lake Oswego | Westfield | United States |
| Median Home Age | 32.2 | 13.1 | 35.1 |
| Median Home Cost | $359,500 | $170,700 | $153,800 |
| Home Appreciation | 0.76% | 2.65% | 1.62% |
| Homes Owned | 64.43% | 77.12% | 57.69% |
| Housing Vacant | 6.48% | 6.41% | 11.38% |
| Homes Rented | 29.09% | 16.47% | 30.93% |
| Property Tax Rate | $10.72 | $11.91 | $11.20 |
| OWNER-OCCUPIED HOUSING UNITS BY VALUE | | | |
| Less Than $20,000 | 0.07% | 1.64% | 2.72% |
| $20,000 to $39,999 | 0.02% | 1.73% | 4.03% |
| $40,000 to $59,999 | 0.13% | 1.68% | 5.58% |
| $60,000 to $79,999 | 0.08% | 1.97% | 7.09% |
| $80,000 to $99,999 | 0.11% | 4.11% | 8.80% |
| $100,000 to $149,999 | 2.73% | 20.83% | 21.26% |
| $150,000 to $199,999 | 4.73% | 28.72% | 14.87% |
| $200,000 to $299,999 | 20.92% | 31.25% | 16.82% |
| $300,000 to $399,999 | 24.76% | 5.77% | 7.83% |
| $400,000 to $499,999 | 15.82% | 0.73% | 4.04% |
| $500,000 to $749,999 | 18.42% | 1.00% | 4.05% |
| $750,000 to $999,999 | 6.28% | 0.31% | 1.26% |
| $1,000,000 or more | 5.93% | 0.25% | 1.64% |
| HOUSING UNITS BY YEAR STRUCTURE BUILT | | | |
| 1999 to 2005 | 5.74% | 42.61% | 13.71% |
| 1995 to 1998 | 17.05% | 29.30% | 14.31% |
| 1990 to 1994 | 17.05% | 29.30% | 14.31% |
| 1980 to 1989 | 22.52% | 9.89% | 13.87% |
| 1970 to 1979 | 22.70% | 7.41% | 16.17% |
| 1960 to 1969 | 11.44% | 3.88% | 11.70% |
| 1950 to 1959 | 9.51% | 1.86% | 11.08% |
| 1940 to 1949 | 4.64% | 0.91% | 6.02% |
| 1939 or Earlier | 6.39% | 4.14% | 13.15% |
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