Lance Creek is a census-designated place (CDP) in Niobrara County, Wyoming, United States. The population was 43 at the 2010 census. Lance Creek is the namesake of the Lance Formation, a rock formation from the Late Cretaceous that has yielded fossils from a diverse number of species.

Geography

Lance Creek is located at (43.045452, -104.656628).

According to the United States Census Bureau, the CDP has a total area of 42.0&nbsp;square miles (108.8&nbsp;km<sup>2</sup>), of which 42.0&nbsp;square&nbsp;miles (108.8&nbsp;km<sup>2</sup>) is land and 0.026% is water.

Demographics

At the 2000 census,