Population |
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| 1 Mile | 3 Miles | 5 Miles | 7 Miles | |
| 1990 | 24,897 | 260,846 | 670,754 | 1,364,390 |
| 1999 | 25,579 | 265,460 | 689,750 | 1,386,959 |
| 2004 | 25,787 | 266,223 | 696,265 | 1,391,914 |
| 2009 | 26,104 | 268,183 | 706,012 | 1,404,449 |
Households |
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| 1 Mile | 3 Miles | 5 Miles | 7 Miles | |
| 1990 | 9,588 | 104,070 | 249,873 | 491,178 |
| 1999 | 10,255 | 108,732 | 262,022 | 510,328 |
| 2004 | 10,578 | 110,715 | 267,422 | 518,383 |
| 2009 | 10,957 | 113,280 | 274,262 | 529,551 |