Officers are at the scene and say the incident occurred at 2.30pm today.
The boy's body has been removed to the mortuary at St Columcille’s Hospital in Loughlinstown, where a post-mortem examination will be carried out.
Investigations are ongoing.
Performance Report Offers Praise & Flags Areas Of Improvement for Wicklow County Council
UPDATE: Three Car Collision Cleared from the N11 at Glen Of The Downs
Over 50 Free Events, Performances & Workshops For Wicklow Culture Night
Penalty Points Drive Up Insurance Costs for 16,000 Wicklow Drivers
Irish Farming Could Face 'Cliff Edge' With One In Three Farmers Planning Exit