[3] The one contributing site in the district is the "Ram's Pasture", a meadow that was common land.

[4] According to the United States Census Bureau, the borough has a total area of 2.3 square miles (6.0 km2), all land.

The Borough of Newtown occupies about 1,252 acres (5.07 km2) (or roughly two square miles) in the central part of town.

Incorporated in 1824 by an act of the Connecticut General Assembly, it is one of only nine remaining boroughs in the state.

The borough adopted zoning for the town center long before the rest of the community.

[clarification needed] Much of the borough is sewered, whereas most of the rest of the town has wells and septic systems.