There aren’t many ferals in Dearborn. In fact, despite the FR fantasy, Dearborn is still primarily Christian.
As of the 2010 census the population of Dearborn was 98,153. The racial and ethnic composition was 89.1% Whites, 4.0% black or African-American, 0.2% Native American, 1.7% Asian, 0.2% Non-Hispanics of some other race, 4.0% reporting two or more races and 3.4% Hispanic or Latino. 41.7% were of Arab ancestry (categorized as “White” in Census collection data).
http://en.wikipedia.org/wiki/Dearborn,_Michigan#Demographics
The largest group in Dearborn are Chaldeans, who are Christians with roots in Iraq.