Former Western Province Chief Minister Prasanna Ranatunga, with 249,678 votes, has received the highest preference votes in the Gampaha District.

Former WPC Minister Nimal Lanza has received 106,661 votes while Harshana Rajakaruna has received the highest number of preference votes in the UNP with 51,018 votes.

Gampaha District (UPFA)

Prasanna Ranatunga - 249,678
Nimal Lanza - 106,661
Sahan Pradeep - 57,892

Gampaha District (UNP)

Harshana Rajakaruna - 51,018
Kavinda Jayawardena - 41,654
Edward Gunasekara - 29,944