A new study ranks Portland as one of the most expensive housing markets in the county, showing many renters are being priced right out of certain areas. Portland’s neighborhoods are filled with apartments, and many feel priced out. A new study from the National Low-Income Housing Coalition ranks Maine the ninth highest in the country for the gap between wage and rent. “There’s been a problem for a long time and we have a lot of work to do to fix the problem,” Cullen Ryan of Community Housing of Maine said.