Bismarck, IL is a city located in Vermilion County, Illinois and has a land area of 23.57 square miles (61.05 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Bismarck, Illinois and it is 61814. The area code(s) for Bismarck is 217.
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