Is that an Amish area?
http://en.wikipedia.org/wiki/Manchester,_Illinois
As of the census[3] of 2000, there were 354 people, 136 households, and 99 families residing in the village. The population density was 341.8 people per square mile (131.4/km²). There were 147 housing units at an average density of 141.9 per square mile (54.6/km²). The racial makeup of the village was 100.00% White.