Maine, 12 ridings. Results are from 2008.
1-Blue: Aroostook-Washington: 93.9% White, 52.4% Obama
2-Green: Bangor: 94.1% White, 53.3% Obama
3-Dark Magenta: Somerset-Penobscot-Piscataquis: 96.5% White, 49.1% Obama
Right for first question, Earl answered your other one.
4-Red: Oxford-Franklin: 96.3% White, 57.1% Obama
5-Gold: Hancock-Waldo: 96.4% White, 56.4% Obama
6-Teal: Knox-Sagadahoc-Lincoln: 96.3% White, 57.3% Obama
7-Dark Gray: Waterville-Augusta-Kennebec: 95.2% White, 57.2% Obama
I prefer to add it, since Kennebek River covers more than the county.
8-Slate Blue: Lewiston-Auburn: 91.9% White, 56.5% Obama
Probably not.
9-Cyan: York South: 95.4% White, 62.3% Obama
10-Deep Pink: York North-Gorham: 95.9% White, 55.0% Obama
11-Chartreuse: Windham-Falmouth-Brunswick: 94.4% White, 60.4% Obama
Most probably.
12-Cornflower Blue: Portland-Scarborough-Cape Elizabeth: 87.5% White, 71.1% Obama
Yes, but it's not a reason to excluse smaller settlements, expecially as not Portland suburbs are included.
I need to check before answering that.