How many people commuted to work by bicycle in 2012 in the US?

In 2012, approximately 1.1 million people commuted to work by bicycle in the United States, according to the U.S. Census Bureau's American Community Survey. This represented about 0.5% of all commuters, highlighting a growing trend in cycling as a mode of transportation. The number of cyclists has generally been on the rise in urban areas, influenced by factors such as improved infrastructure and increased awareness of environmental issues.