Reuters/Rebecca CookFlint, Mich. isn’t only troubled by bad water. A new study shows it also has one of the nation's most depressed housing markets. An estimated 11,605 homes in Flint are vacant, according RealtyTrac’s report on nationwide housing vacancies for the first quarter of 2016. That’s 7.5 percent of the city’s total housing market, a vacancy rate nearly five times higher than the national average of 1.6 percent. Flint leads the list for the most housing vacancies ahead of Detroit (5.3 percent); Youngstown, Ohio (4.4 percent); Beaumont, Texas (3.8 percent); and Atlantic City, N.J.