Wyoming, the state with the nation's smallest population, also has the largest homes on the market. The average home size in the state is 2,627 square feet, according to a NetCredit analysis of approximately 250,000 Zillow listings in U.S. cities with populations over 100,000. NetCredit, a consumer loan provider, excluded listings priced below $50,000 and above $5 million from its analysis.

Wyoming homes offer 1.67 times more space than those in Pennsylvania, which recorded the smallest average home size in the country at 1,576 square feet. New York followed Pennsylvania with an average of 1,586 square feet.

Following Wyoming, Utah ranks second for average home size at 2,440 square feet, and Nebraska is third with 2,388 square feet.

Among cities, Cheyenne, Wyoming, reported the largest average home size at 2,634 square feet. Colorado Springs, Colorado, came in second with an average of 2,462 square feet, followed by a city in Nebraska with 2,377 square feet.

Most Affordable Housing Markets

The analysis also identified cities with the most affordable housing on a price-per-square-foot basis. Sunnyvale, California, was found to have the least affordable homes, with an average cost of $1,045.81 per square foot. Boston, Massachusetts, followed at $1,013.84 per square foot, and Santa Clara, California, was third at $999.52 per square foot.

In contrast, Jackson, Mississippi, offers the most affordable homes at $88.58 per square foot. Peoria, Illinois, ranks second for affordability at $95.59 per square foot, and Parkersburg, Virginia, is third at $100.47 per square foot.