Kernan ward sits in the southern part of Portadown, within the Craigavon borough. The area is primarily residential, characterised by housing estates and local amenities serving the community. The ward is bordered by the River Bann to the east, providing a natural boundary. Development here is typical of the wider Craigavon area, planned with a focus on housing and necessary services for its inhabitants.
A notable local feature is the presence of Kernan Wood, a sizeable area of mature woodland offering walking paths and green space amidst the urban setting. The ward's layout includes access to primary schools and retail parks designed for local convenience. Transport links are provided by major roads connecting the area to Portadown centre and the wider motorway network, facilitating movement throughout the region.