It's not hundreds of thousands, R-G. It's millions. Here are numbers for just a handful of cities in the US, never mind the rest of the world.

Eugene 7,000
Washington DC 500,000
LA 750,000
NYC 300,000
Chicago 300,000
Denver 200,000
Seattle 150,000
Boston 125,000
Madison Wi 100,000
Minneapolis 75,000
Atlanta 63,000
Austin 50,000
San Francisco 40,000
Raleigh 18,000
Des Moines 26,000
San Diego 22,000
Nashville 20,000
St Petersburg 17,000
Kansas City,MO 10,000
Charlotte 10,000
Greensboro 8,000
Montpelier VT 8,000 + (pop 10,000 many I 89 exits shut down)
Asheville 10,000
Orlando 6,000
Tucson 5,000
Trenton 5,000
Athens Ga 4500
Hillsborough 2000
Murray KY 700
Black Mt NC 400
Morganton NC 500