In the U.S. census in 2000 same sex households in more than 99% of counties with highest densities ranging from 5-7% of households in many urban centers.
In 1994 2.8% of men identified themselves as gay, and 9.1% have had same sex sexual activity at some point in their lives.
Several urban centers report prevalence of gay identity as high as 9.2% with 15.8% of men indicating sexual contact with other males since the age of puberty.
Many men do not choose to identify themselves as gay but have sexual relations with other men.