Nearly 35 percent of Durham-Chapel Hill households are cost burdened, meaning they spend more than 30 percent of their income on housing, according to Harvard’s recently released national housing report.

The report says about 17 percent of those households are severely burdened; they spend more than half of their income on housing.

Durham-Chapel Hill’s market aligns with the rest of the country. Based on the most recent data, about 40.9 million American households (35.3 percent) are cost burdened,…