| Ethnicity/Race | Year | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
| Total | 9,757 | 12,044 | 13,911 | 14,887 | 13,027 | 12,629 | 12,665 | 12,732 | 12,482 | 12,213 |
| White | 7,401 | 9,064 | 10,388 | 10,894 | 9,518 | 9,130 | 9,144 | 9,147 | 9,041 | 8,722 |
| African American | 702 | 855 | 1,032 | 1,149 | 906 | 892 | 883 | 871 | 795 | 830 |
| Other/Multi-race | 64 | 67 | 73 | 76 | 89 | 79 | 85 | 86 | 81 | 93 |
| Asian | 407 | 536 | 624 | 671 | 581 | 606 | 576 | 595 | 583 | 554 |
| Hispanic/Latino | 1,182 | 1,521 | 1,793 | 2,096 | 1,933 | 1,922 | 1,977 | 2,033 | 1,982 | 2,014 |
| Unknown | 1 | 1 | 1 | 1 | - | - | - | - | - | - |
| Total (%) | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| White | 75.9% | 75.3% | 74.7% | 73.2% | 73.1% | 72.3% | 72.2% | 71.8% | 72.4% | 71.4% |
| African American | 7.2% | 7.1% | 7.4% | 7.7% | 7.0% | 7.1% | 7.0% | 6.8% | 6.4% | 6.8% |
| Other/Multi-race | 0.7% | 0.6% | 0.5% | 0.5% | 0.7% | 0.6% | 0.7% | 0.7% | 0.6% | 0.8% |
| Asian | 4.2% | 4.5% | 4.5% | 4.5% | 4.5% | 4.8% | 4.5% | 4.7% | 4.7% | 4.5% |
| Hispanic/Latino | 12.1% | 12.6% | 12.9% | 14.1% | 14.8% | 15.2% | 15.6% | 16.0% | 15.9% | 16.5% |
| Unknown | 0.0% | 0.0% | 0.0% | 0.0% | - | - | - | - | - | - |