The Bay Area Center for Voting Research has come out with a list of the more liberal to conservative cities in the US.  Without any further comment, here it is:

Rank City State
1 Detroit Michigan
2 Gary Indiana
3 Berkeley California
4 District of Columbia  
5 Oakland California
6 Inglewood California
7 Newark New Jersey
8 Cambridge Massachusetts
9 San Francisco California
10 Flint Michigan
11 Cleveland Ohio
12 Hartford Connecticut
13 Paterson New Jersey
14 Baltimore Maryland
15 New Haven Connecticut
16 Seattle Washington
17 Chicago Illinois
18 Philadelphia Pennsylvania
19 Birmingham Alabama
20 St. Louis Missouri
21 New York New York
22 Providence Rhode Island
23 Minneapolis Minnesota
24 Boston Massachusetts
25 Buffalo New York
26 New Orleans Louisiana
27 Ann Arbor Michigan
28 Jersey City New Jersey
29 Portland Oregon
30 Daly City California
31 Atlanta Georgia
32 Dallas Texas
33 Hayward California
34 Madison Wisconsin
35 Pittsburgh Pennsylvania
36 St. Paul Minnesota
37 Los Angeles California
38 Rochester New York
39 Memphis Tennessee
40 Milwaukee Wisconsin
41 Vallejo California
42 Dayton Ohio
43 Bridgeport Connecticut
44 Springfield Massachusetts
45 Syracuse New York
46 Jackson Mississippi
47 Jackson Mississippi
48 Akron Ohio
49 Denver Colorado
50 Richmond Virginia
51 El Monte California
52 Pasadena California
53 Toledo Ohio
54 Eugene Oregon
55 Elizabeth New Jersey
56 Cincinnati Ohio
57 Santa Rosa California
58 Worcester Massachusetts
59 Kansas City Missouri
60 Kansas City Kansas
61 Durham North Carolina
62 Sunnyvale California
63 Alexandria Virginia
64 Fremont California
65 Tallahassee Florida
66 Pomona California
67 Lansing Michigan
68 Erie Pennsylvania
69 Savannah Georgia
70 Long Beach California
71 Sacramento California
72 Greensboro North Carolina
73 Hollywood Florida
74 San Jose California
75 Norwalk California
76 Lowell Massachusetts
77 Aurora Colorado
78 Columbus Ohio
79 Concord California
80 Norfolk Virginia
81 Salinas California
82 Columbia South Carolina
83 South Bend Indiana
84 North Las Vegas Nevada
85 Oxnard California
86 Fort Lauderdale Florida
87 Portsmouth Virginia
88 Raleigh North Carolina
89 Pembroke Pines Florida
90 Burbank California
91 Glendale California
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