The U.S. city with the lowest home prices is typically found in the rural or less populated areas. For instance, as of the latest available data, cities like Detroit, Michigan, and Youngstown, Ohio, often rank among the cities with the lowest median home prices. These cities have seen significant declines in their housing markets due to factors such as population loss, economic downturns, and industrial restructuring.

The reasons for these low home prices are multifaceted. Detroit, for example, has been dealing with the aftermath of the automotive industry's decline, leading to a substantial decrease in population and, consequently, a decrease in demand for housing. This oversupply of homes has driven down prices. Similarly, Youngstown has faced economic challenges due to the decline of the steel industry, which has also led to population loss and lower home prices.

According to the U.S. Census Bureau and Zillow's Home Value Index, the median home value in Detroit was around $30,000 in 2021, while in Youngstown, it was approximately $35,000. These figures are significantly lower than the national median home value, which was around $250,000 during the same period. The low home prices in these cities are also a result of the overall economic conditions, including high unemployment rates and limited job opportunities.

Additionally, the cost of living in these cities is generally lower than in more urban areas, which further contributes to the affordability of housing. The lower cost of living includes not just housing, but also other expenses such as groceries, transportation, and healthcare. This makes these cities attractive for those looking to purchase a home without breaking the bank.

It is important to note that while these cities have the lowest median home prices, they may not offer the same amenities or quality of life as more expensive urban areas. However, for those who prioritize affordability over other factors, these cities can be a viable option. The low home prices also present opportunities for investors and individuals looking to purchase property at a fraction of the cost of homes in more affluent areas.

In conclusion, cities like Detroit and Youngstown in the United States have the lowest home prices due to factors such as population loss, economic downturns, and the overall cost of living. These factors have led to an oversupply of homes and, subsequently, lower median home values. While these cities may not offer the same level of amenities as more expensive urban areas, they present opportunities for affordability and investment.