What county is Millcreek UT in

Millcreek city is located Salt Lake County.

Millcreek is a census-designated place (CDP) in Salt Lake County, Utah, United States. It’s part of Millcreek Township. According to the 2000 census, the population was 30,377 inhabitants, a small decrease compared to 1990, when it had 32,230 inhabitants.

Is Millcreek considered Salt Lake City?
Is Millcreek Utah a good area?
What district is Millcreek in?

How many square miles is Millcreek Utah?