Your credit score isn't the only thing determining whether or not you get a good rate on your mortgage. Where you live can also have a big impact. In fact, interest rates can vary dramatically from state-to-state.
And borrowers in Rhode Island are benefiting the most, according to a survey by loan information sites GoBankingRates and RateWatch. Borrowers there paid an average rate of just 3.4% on mortgages in July, about 0.35 percentage points below the national average.