This interactive map from the Pew Forum on Religion and Public Life shows the locations of 35 proposed mosques in the United States that have encountered community resistance.  According to the Mosque Study Project 2000, 688 new mosques have opened in the last ten years.

According to a 2007 report from Leadership Network, nearly 4,000 new churches are started each year in the United States. The simple math is that new churches outnumber new mosques by nearly 59 to 1.