-Most religious district held by a Democrat - AR-1
-Most religious district that voted for Kerry - MS-2
-Most religious predominately white district held by a Democrat - AR-1
-Most religious predominately white district that voted for Kerry - DE - AL
-Least religious district - WA-7
-Least religious district held by a Republican - WA-8
-Least religious district that voted for Bush - NH-1
In case you're wondering, I'm not using religious self-reference here. In my book the most religious states are Utah, Alabama, Louisiana, Arkansas, etc. No "North Dakota" out of anywhere.
My district, NY-3 may give NH-1 a run for its money in least religious district won by Bush
This is really an unanswerable question. As much as some would try you can't really measure someone's religion and there is so much grey area. My mom doesn't really go to Mass but I would still deem her "religious". Jesus and the Saints are her homeboys;).
I think around here rather than non or even anti religious there are more people who are just uncomfortable with overt religiousity. There are many Catholic and Jewish people who do the holiday services and others who are just against the "organization" of it all- lapsed Catholics etc.