New InMyArea research found students would need $72,000 annually to afford rents in the United States’ most expensive college towns. Rent ranges from $250 per month in rural areas to more than $1,800 in California’s most expensive county. “Affordability and food and housing insecurities, if not addressed, have a direct impact on student success and retention rates,” said Deborah Wallace, vice president of administration and finance at California State University, Dominguez Hills.