Same list, reordered by percentage rather than raw numbers:
Davis - 66,009 - 5,830 - 19.1%
Boulder - 101,812 - 6,560 - 12.1%
Eugene - 157,984 - 6,121 - 8.7%
Cambridge - 106,456 - 5,067 - 8.5%
Ft. Collins - 148,634 - 6,190 - 7.9%
Berkeley - 115,417 - 4,290 - 7.6%
Madison - 240,315 - 8,375 - 6.2%
Portland - 603,650 - 18,912 - 6.1%
Tempe - 166,862 - 3,966 - 4.5%
Minneapolis - 392,871 - 9,688 - 4.5%
Seattle - 634,541 - 15,007 - 4.1%
Washington DC - 632,323 - 13,493 - 4.1%
San Francisco - 825,863 - 16,864 - 3.8%
Denver - 634,265 - 9,416 - 2.9%
Tucson - 524,278 - 6,189 - 2.8%
Oakland - 400,740 - 5,012 - 2.7%
Sacramento - 475,524 - 5,016 - 2.6%
Philadelphia - 1,547,607 - 13,726 - 2.3%
Boston - 637,516 - 6,536 - 2%
Chicago - 2,714,844 - 19,147 - 1.6%
Austin - 842,595 - 6,999 - 1.6%
San Diego - 1,338,354 - 6,929 - 1.1%
New York - 8,336,697 - 36,496 - 1%
Los Angeles - 3,857,786 - 17,223 - 1%
Phoenix - 1,488,759 - 4,784 - 0.7%