Poverty is often thought of as an “inner city” problem, but it is increasingly spreading out into the suburbs, according to a new report.

Apartment List, an online rental marketplace, analyzed housing data from Harvard University, and found that Houston had the eighth highest increase nationally in the number of suburbs where at least 20 percent of the population is living in poverty. The U.S. Census Bureau defines poverty as a family of four, including two children, making less than $24,339 a year.

Click to read more at Houston Business Journal.