This is a leftist total BS poll, sampling is skewed to favor democrats and it isn’t even voters.
In other waords it is
M E A N I N G L E S S !
Took a look. You are right.
Here is the sample:
901. Generally speaking, do you usually think of yourself as (a Democrat), (a Republican), an independent or what?
12/18/11
Democrat 32
Republican 25
Independent 37
Other (vol.) 5
No opinion 2