Yup. The book "As The Future Catches You" sharply points out that nearly all patents (as one measure of the creation of new ideas) come from just a few zip codes. Some places have achieved the critical mass needed for huge intellectual output. (Unfortunately the accompanying dangerous radiation from the chain reaction includes a high acoustic and legislative intensity of morons, whineons, boreons, fruitons, nutons, and other stupid particles produced by the underlying layer of administratium.)