Boston is the capital of Massachusetts, as well as the largest and oldest city in the state. Just over 645,000 residents live in the city of Boston. The city was founded in 1630. Currently there are 21 different neighborhoods in the Boston area. Summers in Boston are typically warm and humid, with the average temperature of 73 degrees. The "Boston accent" is notable in the US, and is often referred to as the Kennedy accent. Logan International Airport is located in the East Boston area, and visitors have many other options for transportation in the area. Public transportation is used by nearly one-third of residents and visitors, with both a rail system and buses. There are also taxi cabs and rental cars available.