The Sarasota County portion of Englewood is part of the Bradenton–Sarasota–Venice Metropolitan Statistical Area, while the Charlotte County portion is part of the Punta Gorda Metropolitan Statistical Area.
Englewood was platted in the 1890s. A post office has been in operation at Englewood since 1895.
According to the United States Census Bureau, the CDP has a total area of 13.1 square miles (33.8 km2), of which 9.8 square miles (25.4 km2) is land and 3.3 square miles (8.5 km2), or 24.99%, is water.
In the CDP, the population was spread out with 10.3% under the age of 18, 3.2% from 18 to 24, 14.1% from 25 to 44, 26.0% from 45 to 64, and 46.4% who were 65 years of age or older. The median age was 63 years. For every 100 females, there were 88.7 males. For every 100 females age 18 and over, there were 86.9 males.
The Englewood Community Redevelopment Area (CRA) is a special district created by the Sarasota County Board of County Commissioners in 1999 on the Sarasota side of Englewood. The Sarasota and Charlotte County School Districts have an inter-local agreement allowing some Charlotte County residents to use the Englewood Elementary School and the Sarasota County students to use the Middle and High School located in Charlotte County. Englewood has a private utility company, the Englewood Water District, and the Englewood Fire District that serve the community.
Englewood contains multiple public elementary schools and one public high school (Lemon Bay High School). Several private schools are also located within Englewood. Englewood Christian Academy and Heritage Christian Academy both offer grades k – 12. L.A. Ainger Middle School, a public school serving grades 6 – 8, located in nearby Rotonda West, Florida, is the nearest public middle school.