Complex sentence: By 1940, the population stood at about 740 and increased after World War II, to approximately 1,300 by 1950, and dditional municipal services, such as emergency ambulance, police protection and parks and recreation facilities, became available to residents.
Split into simpler sentences: By 1940, the population stood at about 740 but after World War II, the city experienced a new surge in population. Additional municipal services, such as emergency ambulance, police protection and parks and recreation facilities, became available to residents.