| Inequality measure |
Year |
| 1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
| Median household income |
$49,497 |
$51,295 |
$52,587 |
$52,500 |
$51,356 |
$50,756 |
$50,711 |
$50,535 |
$51,093 |
$51,473 |
$52,163 |
| Household income inequality (Gini index) |
0.4590 |
0.4560 |
0.4580 |
0.4620 |
0.4660 |
0.4620 |
0.4640 |
0.4660 |
0.4690 |
0.4700 |
0.4630 |
| Between-state income inequality (Gini index) |
0.0628 |
0.0636 |
0.0612 |
0.0646 |
0.0658 |
0.0671 |
0.0624 |
0.0701 |
0.0677 |
0.0713 |
0.0749 |
| Premature mortality (years of potential life lost before age 75 yrs/100,000 population) |
7108.3 |
6960.6 |
6920.0 |
6899.5 |
6940.6 |
6965.2 |
6970.7 |
6841.5 |
6912.9 |
6882.0 |
6799.5 |
| Between-state inequality in premature mortality (Gini index) |
0.0762 |
0.0785 |
0.0820 |
0.0850 |
0.0819 |
0.0861 |
0.0868 |
0.0926 |
0.0939 |
0.0963 |
0.0956 |
| Mean Health and Activities Limitation Index (HALex), ages 18–65 yrs |
0.8766 |
0.8762 |
0.8779 |
0.8783 |
0.8747 |
0.8722 |
0.8711 |
0.8712 |
0.8708 |
0.8684 |
0.8662 |
| Inequality in HALex (Giniindex), ages 18–65 yrs |
0.0928 |
0.0872 |
0.0848 |
0.0840 |
0.0871 |
0.0884 |
0.0888 |
0.0878 |
0.0886 |
0.0904 |
0.0862 |