Maine voter registrations, 1954, 1978 and 2004:

1954

Democrats: 99,386

Republicans: 262,367

Total: 480,658

1978

Democrats: 234,701

Republicans: 223,824

Total: 665,785

2004

Democrats: 297,831

Green Independents: 19,006

Republicans: 274,727

Unenrolled (independent): 365,921

Total: 957,485

Source: Secretary of state. State records for 1954 and 1978 do not break out third party or nonparty registration totals.