The Northern Illinois Homes – Barrington Real Estate 2016 Market Stats are shown below. The average price for sold homes in Barrington went down throughout 2016. The number of homes sold in Barrington in 2016 went up also through out the year. The Barrington Housing market monthly supply of homes for sale in Barrington IL has been steadily decreased causing a higher demand for a shorter supply of homes for sale on the market. We are still not at an even market and we still have over 6 months supply which would be a stable market.