Stream of consciousness rationale: This is the relevant information: As of the 2010 Census the population of Virginia City was about 855, and that of Storey County 4,000.
The question and answer pair are described below.
Q: Virginia City sprang up as a boomtown with the 1859 discovery of the Comstock Lode, the first major silver deposit discovery in the United States, with numerous mines opening. At the city's peak of population in the mid-1870s, it had an estimated 25,000 residents. The mines' output declined after 1878, and the city itself declined as a result. As of the 2010 Census the population of Virginia City was about 855, and that of Storey County 4,000.

Answer this question based on the passage: what's the population of virginia city nevada?
A: about 855