US Border Cities

There are 14 US cities, with an urban area population of 20,000 or more, on its land border. The first 4 are adjacent to Canada, the remaining 10 adjoin Mexico. How many can you name?
Cities are listed as you travel each border in one direction
Quiz by Jerry928
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Last updated: April 4, 2018
First submittedSeptember 3, 2014
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population
city
30,000
Port Huron
3,734,000
Detroit
936,000
Buffalo
50,000
Niagara Falls
2,957,000
San Diego
39,000
Calexico
26,000
San Luis
population
city
21,000
Nogales
831,000
El Paso
36,000
Del Rio
27,000
Eagle Pass
259,000
Laredo
775,000
McAllen
182,000
Brownsville
+1
Level 72
Apr 4, 2018
Minor thing- I guess Niagara Falls is technically east of Buffalo, but you're moving eastward along the border to get from Buffalo to Niagara. I was trying to figure out what random suburb of Detroit or Buffalo fit the criteria before getting it.
+1
Level 73
Apr 4, 2018
Fair point - we've tweaked the instructions, and put Buffalo ahead of Niagara Falls.
+1
Level 70
Apr 20, 2020
How about Yuma? It's not right on the border, but if e.g. McAllen counts, perhaps so should Yuma.
+1
Level 73
Apr 20, 2020
Yes, it's a line ball call there. There is clear countryside between Yuma and the Mexican border town of Algodones and San Luis, but as you say you could argue the same for McAllen, although McAllen's city limits do reach the border.