What city in the United States has the most single or unmarried women population?

Maryland. (answer given from previous user)

In my research I have found a site which gives both most single men and most single women based on ratio rates. According to http://www.epodunk.com/county_data2/

Here is a list of the most women to men ratiOS.

Bristol, VA

Franklin, VA

Pulaski County, GA

Randolph County, GA

Monroe County, WV

Please refer to the site listed above for more information.