Big Bellwethers
These counties had more than 100,000 total votes in 2000.
EV Leaders
Since 1964: Buncombe, NC (Asheville).
Since 1972: Stanislaus, CA (Modesto); and Bexar, TX (San Antonio).
Since 1980: San Bernadino, CA (San Bernadino); San Joaquin, CA (Stockton); Ventura, CA (Los Angeles suburb); Clackamas, OR (Portland suburb); DuPage, IL (Chicago suburb); Winnebago, IL (Rockford); Spokane, WA (Spokane).
PV Leaders
Since 1964: Pasco. FL (Tampa suburb).
Since 1980: Pinellas, FL (St Petersburg); St Joseph, IN (South Bend); Caddo, LA (Shreveport); Rockland, NY (New York suburb).
If Nixon is considered to have won the PV in 1960, then Pasco County's streak began in 1928, when the turnout was 2,932. In 2004, the turnout was 190,866, a 65-fold increase.
why is DuPage on there? It voted against Clinton both times.