| <table border="1"> | |
| <tr><td>Racial composition</td><td>2010</td><td>1990</td><td>1970</td><td>1940</td></tr> | |
| <tr><td>White</td><td>73.0%</td><td>82.0%</td><td>91%</td><td>95.5%</td></tr> | |
| <tr><td>—Non-Hispanic</td><td>70.4%</td><td>80.4%</td><td>-</td><td>-</td></tr> | |
| <tr><td>Black or African American</td><td>7.7%</td><td>9.0%</td><td>6.7%</td><td>4.1%</td></tr> | |
| <tr><td>Hispanic or Latino (of any race)</td><td>4.1%</td><td>2.6%</td><td>1.3%</td><td>-</td></tr> | |
| <tr><td>Asian</td><td>14.4%</td><td>7.7%</td><td>1.5%</td><td>0.3%</td></tr> | |
| </table> | |