| Ethnicity/Race | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | |
| Total | 4,226 | 4,610 | 5,355 | 6,034 | 8,038 | 11,851 | 15,399 | 19,216 | 22,924 | 25,465 |
| White | 1,965 | 2,144 | 2,468 | 2,676 | 3,296 | 4,712 | 6,235 | 7,488 | 9,034 | 9,859 |
| African American | 1,624 | 1,746 | 2,112 | 2,426 | 3,177 | 4,679 | 5,935 | 7,436 | 8,617 | 9,660 |
| Other/Multi-race | 72 | 79 | 91 | 93 | 121 | 172 | 227 | 302 | 335 | 350 |
| Asian | 155 | 169 | 171 | 197 | 347 | 555 | 691 | 991 | 1,122 | 1,353 |
| Hispanic/Latino | 410 | 472 | 513 | 642 | 1,097 | 1,733 | 2,311 | 2,999 | 3,816 | 4,243 |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| White | 46.5% | 46.5% | 46.1% | 44.3% | 41.0% | 39.8% | 40.5% | 39.0% | 39.4% | 38.7% |
| African American | 38.4% | 37.9% | 39.4% | 40.2% | 39.5% | 39.5% | 38.5% | 38.7% | 37.6% | 37.9% |
| Other/Multi-race | 1.7% | 1.7% | 1.7% | 1.5% | 1.5% | 1.5% | 1.5% | 1.6% | 1.5% | 1.4% |
| Asian | 3.7% | 3.7% | 3.2% | 3.3% | 4.3% | 4.7% | 4.5% | 5.2% | 4.9% | 5.3% |
| Hispanic/Latino | 9.7% | 10.2% | 9.6% | 10.6% | 13.6% | 14.6% | 15.0% | 15.6% | 16.6% | 16.7% |