The on-loan Hull City striker scored the incredible strike in the Pilgrims' 2-0 win over Leamington in March.
Chadwick received almost a quarter of the voted - with Nicky Deverdics (17.6%) and Kurt Willoughby (16.1%) in second and third respectively.
See the winning goal here!
Voting Totals - National League North Goal of the Season
1 - Billy Chadwick (v Leamington) - 24.3%
2 - Nicky Deverdics (v Curzon Ashton) - 17.6%
3 - Kurt Willoughby (v Southport) - 16.1%
4 - Dominic McHale (v Scarborough Athletic) - 10.8%
5 - Jamie Spencer (v Scarborough Athletic) - 9.6%
6 - Lewis Maloney (v Spennymoor Town) - 7.8%
7 - Amari Morgan-Smith (v Spennymoor Town) - 7.5%
8 - Josh Barrett (v Peterborough Sports) - 7.2%