How many residents were in the resort town in which Nida Lighthouse was located? 
Nida Lighthouse: Nida Lighthouse (Lithuanian: "Nidos švyturys") is located in Nida, on the Curonian Spit in between the Curonian Lagoon (to the east) and the Baltic Sea (to the west). Nida, Lithuania:  It currently has about 1,650 residents.
1,650 residents