Lake Forest Park is a city located in the Washington region of the United States. During the most recent census, Lake Forest Park had a population of 12,598. Lake Forest Park is the 92nd most poplulated city in the Washington region, the 3,328th most populated city in the United States and the 18,452nd most populated city in the world. Lake Forest Park is in the America/Los Angeles timezone which is 7 hours behind UTC. Lake Forest Park adjusts the hour with daylight savings time during the winter months.