Colgate is an unincorporated community in Washington County, Wisconsin, United States, straddling the county line with Waukesha County.[1] Colgate is located partially in the village of Richfield, and the town of Lisbon.[2]
Zip code of 53017 keeps the unincorporated community alive, with the railroad running through the community being the most prominent feature. There is also a historic United States Post Office.
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