America in Numbers

USA
Wyoming
Natrona County
Mills

Mills

Mills is an industrial suburb of Casper concentrated around refining, energy logistics and river-front recreation.

4,200

Population

America in Numbers

Data portal for the United States and its 50 states: economy, population, immigration, energy and culture.

About Contact Privacy Policy Cookie Policy Terms of Use

© 2026 America in Numbers · Data for informational purposes · Recent estimates.