What percentage of homes in the US have bathtubs?

According to the American Housing Survey conducted by the U.S. Census Bureau, approximately 81% of homes in the United States have a bathtub. This data is based on a survey of housing units across the country and includes both standalone bathtubs and bathtub/shower combinations. The presence of a bathtub is considered a standard feature in most homes, providing a convenient and relaxing option for personal hygiene and relaxation.