Portal:Colorado/Did You Know/7
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- Georgetown still operates under a charter granted by the Territory of Colorado in 1868.
- Denver was originally incorporated in 1859 under the laws of the Territory of Jefferson as the City of Denver, Auraria, and Highland, more commonly known as Denver City.
- 12 Colorado municipalities had more than 100,000 residents at the 2020 United States census.
- 17 Colorado municipalities had fewer than 100 residents at the 2020 census.
- The City and County of Denver and the City of Blackhawk were the most and least populous Colorado cities at the 2020 census.
- The Town of Castle Rock was the most populous Colorado town at the 2020 census.
- The ghost town of Carbonate is an active Colorado statutory town despite having no year-round residents since the 1890 census.
- The ghost town of Fulford, a census-designated place, lost both of its two residents between the 2010 and 2020 censuses.