Party Identification, 1952-1992 (percent)«
| Party | 1952 |
1956 |
1960 |
1964 |
1968 |
1972 |
1976 |
1980 |
1984 |
1988 |
1992 |
| Strong Democrat | 22% |
21% |
20% |
27% |
20% |
15% |
15% |
18% |
17% |
18% |
18% |
| Weak Democrat | 25% |
23% |
25% |
25% |
25% |
26% |
25% |
23% |
20% |
18% |
18% |
| Total | 47% |
44% |
45% |
52% |
45% |
41% |
40% |
41% |
37% |
36% |
36% |
| Strong Republican | 14% |
14% |
16% |
11% |
10% |
10% |
9% |
9% |
10% |
14% |
11% |
| Weak Republican | 13% |
15% |
14% |
14% |
15% |
13% |
14% |
14% |
15% |
14% |
14% |
| Total | 27% |
29% |
30% |
25% |
25% |
23% |
23% |
23% |
25% |
28% |
25% |
| Independent | 22% |
24% |
23% |
23% |
30% |
35% |
37% |
34% |
34% |
36% |
38% |