Dallas-Fort Worth is one of the best metro areas in the U.S. for single women, according to a new report. DFW ranked No. 3 among the top 20 U.S. metropolitan statistical areas for single women to live, according to the online real estate brokerage website Owners.com. Findings show that single female homebuyers make up 17 percent of the national market compared with 7 percent of single men. In North Texas, single females make up 13.7 percent of the homeowner population and have a median household…