The median home price in Wyoming is $371,685. At 80% LTV, the typical loan is $297,348 at the current 6.76% average rate, producing a monthly P+I payment of $1,931. Total interest over 30 years at this rate: $397,657.
Property taxes in Wyoming average 0.53% of assessed value, or $1,970 per year on the median home. This adds $164/month to your all-in housing cost. When evaluating a refinance, factor in property tax and insurance for a complete picture.
Wyoming has no state income tax, so there is no state-level mortgage interest deduction. The federal deduction still applies on loans up to $750,000 for itemizers.