California and Hawaii are by far the states with the highest average mortgage debt. So reports 24/7 Wall Street, drawing on 2017 data from Experian and the U.S. Census Bureau.
California led the ranking of 50 states with an average mortgage debt of $347,652 and the second-highest median home value at $509,400. Hawaii ranked second with an average mortgage debt of $342,613 and the highest median home value at $617,400.
Rounding out the top five states for average mortgage debt were Maryland ($256,744), Massachusetts ($252,624) and Washington ($250,467). Wealthier states generally had more mortgage debt.