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*The 2010 American Community Survey Numbers were just released
To see how bicycling in 2010 compares to 2009's numbers, visit bikeleague.org/acs2010.
2009 American Community Survey Commuter Statistics
Rankings out of 244 communities with populations greater than 65,000. Communities without ACS commuter estimates were removed. Bike lane and path mileage available only for 90 largest.
Downloadable 2009 ACS data tables
The fine print
The American Community Survey
The Census Bureau collects American Community Survey (ACS) data from a sample of the population in the United States, not from the whole population. All American Community Survey (ACS) data are estimates. For margins of error for the estimates above, download the full table labeled “RAW data.”
The bicycling data in the tables above record only journeys to work. They do not account for all bicycling in the community.
Commuters who bicycle every day in the summer but were surveyed in the winter were not counted as cyclists. (The ACS surveys an equal number of respondents each month, so seasonal differences are accounted for overall.) The survey question can be said to capture the number of regular, primary bicycle commuters, but it is not an estimate of how many people ride to work on a given day.
Lane and path mileage
Staff of the League of American Bicyclists collected the number of bicycle lane and paths miles from 90 of the 100 largest US cities in January 2010. Bike lanes were counted as “center-line miles,” meaning that a mile of bike lane on a one-way street was counted as one mile and a mile of road with bike lanes in both directions was also counted as one mile. Path mileage was collected based on the number of miles of dedicated bike path or multi-use path, based on AASHTO definitions.