The Corridor Protection Study found that most of the communities in the study area grew at very robust rates from 1980-2000. Some examples of this include: Shiloh, 631% increase; Troy, 126% increase; Columbia, 85% increase; and O’Fallon, 79% increase. Belleville’s population declined about 1% over this period. Many areas outside the study area experienced population declines during the same period, such as East Carondelet, Brooklyn, Venice, and East St. Louis.

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