MIAMA ( DQNews) -- Miami area home sales rose sharply in June, the result of low prices, low mortgage rates and what was likely the final big boost from the federal home buyer tax credits. Sales of existing condos rose to a five-year high, while the region's overall median sale price inched up from May but remained 6% lower than a year ago, a real estate information service reported. In June 9,296 new and resale houses and condos closed escrow in the metro area encompassing Miami-Dade, Palm Beach and Broward counties. That was up 18.3% from May and up 20.4% from June 2009, according to MDA DataQuick. The San Diego firm tracks real estate trends nationally via public property records. On average, sales have increased 7.1% between May and June since 1997. Total escrow closings were the highest for any June since 2007, but they fell 26.3% short of the average for that month since 1997, when DataQuick's complete Miami-area stats begin. Sales have increased on a year-over-year basis for 16 consecutive months. Last month's resales (excludes new homes) of single-family detached houses and condos combined were the highest for the month of June since 2006. Resales have risen year-over-year for 19 consecutive months. New-home sales in June rose 21.2% above the May tally but were 1.4% lower than a year ago and the lowest for the month of June since at least 1997. New-home sales have suffered as builders struggle to compete with distressed sales. New homes made up 6.2% of total June sales, far below the decade average of 20% of monthly sales. The 4,355 condos that resold in June marked a 15.2% gain from May and a 33.0% increase from June 2009. It was the highest number of condo resales for that month since June 2005, when 6,070 condos resold. Condo resales made up 46.8% of total Miami-area home sales in June, compared with 48.1% a year earlier and a monthly average of 32.8% over the past decade. In the Miami market's high end, the number of houses and condos that sold for $1 million or more rose to 262 in June, up 13.4% from 231 in May and up 21.9% from 215 in June 2009. During the first six months of this year, 1,230 houses and condos sold for $1 million or more, up 32.5% from the same period last year. The figures are based on an analysis of public property records, where there was a purchase price or loan of $1 million or more. The peak month for $1 million-plus home sales was in June 2005, when 583 sold in the Miami area.