Lake Grove is located in Suffolk County, New York. There are roughly 11,223 residents, living in 3,828 households. The average temperature for Lake Grove this time of the year is low of 64F and high of 81F. On average, Lake Grove gets about 4.35 inches of precipitation in August. Most residents are home owners (81%), have a post secondary degree (56%) and are married, with kids (32%).
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