Dennis is a town in Barnstable County, Massachusetts. Dennis's population is around 14,207. The town takes up a total of 22.3 square miles. There are 14,105 housing units at an average density of 684.9 per square mile. The average house size in Dennis is 1000-1400 square feet. The average single family home price is around $499,900 with the average rental at around $2,559. 80.5% of residences in Dennis are Single Family Homes.
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