Geo quick facts: Douglas County is a county located in the U.S. state of Illinois. As of the 2010 United States Census, the population was 19,980. The county seat is Tuscola – Wikipedia.
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Geo quick facts: Douglas County is a county located in the U.S. state of Illinois. As of the 2010 United States Census, the population was 19,980. The county seat is Tuscola – Wikipedia.
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