SOUTH PORTLAND — Sales of single-family homes in Maine rose by 15 percent in August from a year earlier, but the median sales price fell by about 3 percent.

The Maine Association of Realtors says agents last month sold 1,090 homes. That’s up from 950 in August 2010.

The median sales price was $165,000, down from $169,750.

For the three-month period from June through August, home sales in Maine grew by 2 percent compared to the same period last year. The median sales price fell by about 1.5 percent.

Cumberland County had the highest median sales price for the three-month period, at $235,000. Aroostook County had the lowest price, at $80,000.