population in watsonville
Watsonville, CA Profile. Watsonville, CA, population 51,053, is located in California's Santa Cruz county, about 17.0 miles from Salinas and 30.6 miles from San Jose. Through the 90's Watsonville's population has grown by about 42%. It is estimated that in the first 5 years of the past decade the population of Watsonville has grown by about 8%.