| HOUSING | Oak Forest | Normal | United States |
| Median Home Age | 37.1 | 30 | 35.1 |
| Median Home Cost | $150,900 | $133,700 | $153,800 |
| Home Appreciation | -4.78% | -1.84% | 1.62% |
| Homes Owned | 78.03% | 54.53% | 57.69% |
| Housing Vacant | 4.35% | 4.37% | 11.38% |
| Homes Rented | 17.63% | 41.09% | 30.93% |
| Property Tax Rate | $16.10 | $18.71 | $11.20 |
| OWNER-OCCUPIED HOUSING UNITS BY VALUE | | | |
| Less Than $20,000 | 0.42% | 2.48% | 2.72% |
| $20,000 to $39,999 | 0.40% | 1.76% | 4.03% |
| $40,000 to $59,999 | 0.20% | 2.23% | 5.58% |
| $60,000 to $79,999 | 0.87% | 4.06% | 7.09% |
| $80,000 to $99,999 | 3.51% | 8.31% | 8.80% |
| $100,000 to $149,999 | 19.79% | 40.54% | 21.26% |
| $150,000 to $199,999 | 45.23% | 24.37% | 14.87% |
| $200,000 to $299,999 | 24.43% | 12.60% | 16.82% |
| $300,000 to $399,999 | 3.60% | 2.96% | 7.83% |
| $400,000 to $499,999 | 0.87% | 0.45% | 4.04% |
| $500,000 to $749,999 | 0.20% | 0.20% | 4.05% |
| $750,000 to $999,999 | 0.14% | 0.00% | 1.26% |
| $1,000,000 or more | 0.37% | 0.03% | 1.64% |
| HOUSING UNITS BY YEAR STRUCTURE BUILT | | | |
| 1999 to 2005 | 5.61% | 15.19% | 13.71% |
| 1995 to 1998 | 10.90% | 22.10% | 14.31% |
| 1990 to 1994 | 10.90% | 22.10% | 14.31% |
| 1980 to 1989 | 13.03% | 11.85% | 13.87% |
| 1970 to 1979 | 27.51% | 23.48% | 16.17% |
| 1960 to 1969 | 29.82% | 12.25% | 11.70% |
| 1950 to 1959 | 8.18% | 7.88% | 11.08% |
| 1940 to 1949 | 2.46% | 2.09% | 6.02% |
| 1939 or Earlier | 2.49% | 5.16% | 13.15% |
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