These are the nine metros with at least one census blockgroup with over 50% bike to work share in the 2000 census. This number has probably grown in the past 14 years, but its fun to think there are bikable places in America.
As usual, Click to embiggen.
(the cities are Austin, Brooklyn, Honolulu, Los Angeles, Mackinac Island (Michigan (America’s Venice)), Miami, Norman (Oklahoma), Sacramento, San Diego, San Luis Obispo*, and the Stanford University area between San Francisco and San Jose.
* The location of the nation’s first Motel, FWIW