Salitrillos is a district of the Aserràcanton, in the San José province of Costa Rica.
Salitrillos was created on 22 April 1999 by Decreto 27928-G.
Salitrillos has an area of km<sup>2</sup> and an elevation of metres.
For the 2011 census, Salitrillos had a population of inhabitants.
The district is covered by the following road routes: