Biggest Gains The best-performing areas were Sacramento, California, and Atlanta, where prices jumped 39 percent from a year earlier. Prices rose 36 percent in Fort Myers, Florida; 33 percent in Reno, Nevada; and 31 percent in Las Vegas. The Peoria, Illinois, area had the biggest decline, falling 9.2 percent from a year earlier. Following were Florence, South Carolina, with an 8.4 percent drop, and Erie, Pennsylvania, with a 5.7 percent decrease. Prices fell 5 percent in Pittsfield, Massachusetts, and 4.8 percent in Decatur, Illinois. The housing recovery is strengthening amid a drop in the unemployment rate, which fell to 7.4 percent in July from 7.6 percent the previous month, according to Labor Department data. Rising borrowing costs may hurt future demand. Mortgage rates for 30-year loans have climbed from a near-record low of 3.35 percent in early May, rising to 4.4 percent in the week ended today, according to McLean, Virginia-based Freddie Mac. “Higher interest rates are now causing sales to level out, but the tight supply conditions look to be with us for the balance of the year in most of the country,” Yun said.