The 4.1% increase in second-home mortgages comes after four years of declines from a 2021 peak, the online real estate brokerage Redfin reported. In 2021, there were more than 258,000 second-home mortgages compared to just over 90,000 last year, according to Redfin’s data. Just over 85% earned a median income of $294,000 last year, while less than 3% of second-home mortgages went to low-income buyers making a median income of $69,000. Just over 85% earned a median income of $294,000 last year, while less than 3% of second-home mortgages went to low-income buyers making a median income of $69,000. In the year when members of the first post-baby boomer generation were aged 45-60, close to one-third of second-home mortgages, 31.1%, went to those 55-64 years old plus an additional 27.6%, to 45-54 year olds.