Cincinnati is the top-ranked metro area in the U.S. for single women, according to a new report. Cincinnati-Wilmington-Maysville, Ky. ranked No. 1 among the top 20 U.S. metropolitan statistical areas (MSAs) 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. Owners.com analyzed markets based on six metrics, including the percentage…