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is a city in Anoka County, Minnesota, United States. The population was 3,957 at the 2000 census.
until September 21, 2006, when it was incorporated as the city of Columbus, in response to concerns that the adjacent city of Forest Lake was planning to annex portions of the township. Mel Mettler, the first Mayor of Columbus, was re-elected in November, 2008. Running Aces Harness Park opened in Columbus in April 2008.