Oak Brook, IL

Oak Brook's ZIP area supports 37,633 jobs across 1,419 businesses, with workers earning an average of $96K per year, 29% above the DuPage County average. The economy is well-diversified (0.87 index), led by professional services and healthcare. 77.4% of businesses have fewer than 20 employees, and each business employs an average of 26.5 people. Jobs grew 1.8% from the prior year while business count grew 0.5%.