Oak Brook has the 2861st largest population in the United States. The population grew by 2.6% from 2010 to 2015, which was faster than the national average. Oak Brook is part of the Chicago metro area. Unemployment in the Chicago area is 5%, which is higher than the national average, and is getting better. Chicago has the 3rd largest local economy in the US, and a high cost of living. The average pay for jobs in Oak Brook is above average at $52,480, and the median cost of a home in Oak Brook is $795,500, which is above the national average. 64% of workers in Oak Brook hold a bachelors degree or higher (above average), and 96% of workers have a high school degree (above average). Driving to work is especially common in Oak Brook. 78% of Oak Brook workers drive to work alone, 6% take public transit, 7% carpool, and 7% walk. People in Oak Brook spend an average of 26 minutes commuting to work, which is shorter than the national average of 26 minutes.