The population as of the 2021 Canadian census was 1,403 The southeast part of the township is mostly delineated by the Châteauguay River, while the south end borders with Franklin County, New York.

The local economy relies heavily on farming, with a focus on dairy, cattle, and crop production, such as grains and corn.

Given its proximity to the United States, agriculture and trade benefit from access to both domestic and cross-border markets.

Although small in size, the region supports local businesses connected to the agricultural sector, including machinery and equipment services.

The quiet, rural nature of Godmanchester shapes its economy, which remains largely based on traditional farming activities.