Hartrandt is a census-designated place (CDP) in Natrona County, Wyoming, United States.

It is part of the Casper, Wyoming Metropolitan Statistical Area and the population was 693 at the 2010 census.

[4] According to the United States Census Bureau, the CDP has a total area of 1.56 square miles (4.0 km2), all land.

[5] As of the census[2] of 2000, there were 682 people, 248 households, and 183 families residing in the CDP.

17.3% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older.