Average Price Per Square Foot

For housing:

According to the latest estimates, the median price per square foot for a home in the United States is $123. But that can vary widely based on where you live and other factors. For instance, on the low end, you'll pay $24 per square foot in Detroit; on the high end, in San Francisco, $810

from https://www.realtor.com/advice/buy/average-price-per-square-foot-for-a-home/