Which US state has the smallest population as of 2015?

The least populated state is Wyoming. This may be a surprise as sometimes we think the smallest states by land size would have the lesser population.

• 50 Wyoming 584,153
• 49 Vermont 626,011
• 48 Alaska 737,732
• 47 North Dakota 739,482
• 46 South Dakota 853,175
• 45 Delaware 935,614

These numbers include all people other than people just visiting: These include citizens, non-citizen permanent residents and non-citizen long-term visitors. People in the military who are working in other countries and their families are counted in their home state. The United States of America is the one of the most populated countries, behind China and India.