What was the population of the city in which S. Lester Ralph was the thirtieth Mayor?
S. Lester Ralph: S. Lester Ralph was a Massachusetts Episcopal minister and attorney who served as the thirtieth Mayor of Somerville, Massachusetts, and as a county commissioner of Middlesex County, Massachusetts. Somerville, Massachusetts: Somerville ( ) is a city located directly to the northwest of Boston, in Middlesex County, Massachusetts, United States. Somerville, Massachusetts:  , the United States Census lists the city with a total population of 75,754 people, making it the most densely populated municipality in New England.
75,754