If anyone's interested...
The first set of percentages is for '04, the second for '00,
and the third for '96.
Rank State County D R Win
1 CA LOS ANGELES 63.1 35.6 D
63.5 32.4 D
59.3 31.0 D
2 IL COOK 70.2 29.1 D
68.6 28.6 D
66.8 26.7 D
3 TX HARRIS 44.6 54.8 R
42.9 54.3 R
45.2 49.2 R
4 AZ MARICOPA 42.3 57.0 R
42.9 53.2 R
44.5 47.2 R
5 CA ORANGE 39.0 59.7 R
40.4 55.8 R
37.9 51.7 R
6 CA SAN DIEGO 46.4 52.5 R
45.7 49.6 R
44.1 45.6 R
7 NY KINGS 74.9 24.3 D
80.6 15.7 D
80.1 15.1 D
8 FL MIAMI-DADE* 52.9 46.6 D
52.6 46.3 D
57.3 37.9 D
9 NY QUEENS 71.7 27.4 D
75.0 22.0 D
72.9 21.1 D
10 TX DALLAS 49.0 50.3 R
44.9 52.6 R
46.0 46.8 R
11 MI WAYNE 69.4 29.8 D
69.0 29.0 D
69.0 24.0 D
12 WA KING 65.0 33.7 D
60.0 34.4 D
56.4 31.4 D
13 CA SAN BERNARDINO 43.6 55.3 R
47.2 48.7 R
44.4 43.6 D
14 CA SANTA CLARA 63.9 34.6 D
60.7 34.4 D
56.9 32.2 D
15 FL BROWARD 64.2 34.6 D
67.4 30.9 D
63.5 28.3 D
16 CA RIVERSIDE 41.0 57.8 R
44.9 51.4 R
43.0 45.6 R
17 NY NEW YORK 82.1 16.7 D
79.8 14.2 D
80.0 13.8 D
18 PA PHILADELPHIA 80.4 19.3 D
80.0 18.0 D
77.4 16.0 D
19 MA MIDDLESEX 64.0 34.5 D
61.5 30.3 D
63.4 27.1 D
20 TX TARRANT 37.0 62.4 R
36.8 60.7 R
41.6 50.9 R
21 CA ALAMEDA 75.2 23.3 D
69.4 24.1 D
65.8 23.1 D
22 NY SUFFOLK 49.5 48.5 D
53.4 42.0 D
51.8 36.1 D
23 OH CUYAHOGA 66.6 32.9 D
62.6 33.4 D
60.8 29.1 D
24 TX BEXAR 44.4 54.8 R
44.9 52.2 R
49.7 44.6 D
25 NV CLARK 51.7 46.8 D
51.3 44.7 D
48.7 39.4 D
26 NY NASSAU 52.2 46.6 D
57.9 38.5 D
55.7 36.1 D
27 NY BRONX 82.8 16.5 D
86.3 11.8 D
85.8 10.5 D
28 PA ALLEGHENY 57.2 42.1 D
56.6 40.4 D
52.8 37.9 D
29 CA SACRAMENTO 49.5 49.3 D
49.3 45.3 D
49.8 40.8 D
30 MI OAKLAND 49.8 49.3 D
49.3 48.1 D
47.8 43.5 D
31 FL PALM BEACH 60.4 39.1 D
62.3 35.3 D
58.1 33.7 D
32 MN HENNEPIN 59.3 39.4 D
53.6 39.3 D
54.4 33.2 D
33 OH FRANKLIN 54.4 45.1 D
48.8 47.8 D
48.1 44.5 D
34 MO SAINT LOUIS 54.4 45.1 D
51.5 46.1 D
48.8 42.4 D
35 FL HILLSBOROUGH 46.2 53.0 R
47.1 50.2 R
46.8 44.3 D
36 VA FAIRFAX 53.2 45.9 D
47.5 48.9 R
46.6 48.2 R
37 NY ERIE 56.4 41.4 D
56.6 37.7 D
54.7 32.3 D
38 CA CONTRA COSTA 62.3 36.5 D
58.8 37.1 D
55.7 35.2 D
39 WI MILWAUKEE 61.7 37.4 D
58.2 37.7 D
58.3 32.2 D
40 NY WESTCHESTER 58.1 40.3 D
58.6 37.5 D
56.9 35.9 D
41 FL PINELLAS 49.5 49.6 R
50.3 46.4 D
49.1 40.4 D
42 IL DU PAGE 44.8 54.4 R
41.9 55.2 R
40.0 50.7 R
43 UT SALT LAKE 37.5 59.6 R
35.0 55.8 R
41.9 45.5 R
44 TN SHELBY 57.5 41.9 D
56.5 42.1 D
55.0 41.8 D
45 FL ORANGE 49.8 49.6 D
50.1 48.0 D
45.7 45.9 R
46 NJ BERGEN 51.9 47.4 D
55.3 41.6 D
52.7 38.9 D
47 CT FAIRFIELD 51.4 47.3 D
52.3 43.1 D
48.9 41.1 D
48 HI HONOLULU 51.1 48.3 D
54.5 39.6 D
56.3 33.6 D
49 MD MONTGOMERY 66.0 32.8 D
62.5 33.5 D
59.4 35.2 D
50 IN MARION 50.6 48.6 D
47.9 49.2 R
44.1 47.2 R
* Prior to 1997, Miami-Dade County was known as Dade County.