Largest U.S. Cities on International Borders

There are seven U.S. cities which directly border Canada or Mexico and have a population of at least 100,000. Can you name them?
Based on city proper population
Including borders via bridge
Also see the state borders version
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Last updated: May 19, 2025
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First submittedMay 19, 2025
Times taken13,502
Average score71.4%
Rating4.62
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Population
State
City
1,404,452
California
San Diego
681,723
Texas
El Paso
645,705
Michigan
Detroit
276,617
New York
Buffalo
261,260
Texas
Laredo
191,967
Texas
Brownsville
148,782
Texas
McAllen
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9 Comments
+3
Level 81
May 20, 2025
Nice quiz. For those seeking a challenge, there's a quiz with every border city in the country.
+1
Level 73
May 20, 2025
Huh, quizmaking really helps you on other quizzes. I only missed one of these cities, Laredo.
+1
Level 83
May 20, 2025
I also only missed one, it was Brownsville though, tbh never heard of it.
+2
Level 73
May 20, 2025
El Paso has more people than Detroit--what has this world come to?!?
+10
Level 75
May 21, 2025
A world where more people live in El Paso than Detroit.
+3
Level 60
May 21, 2025
A lot of people have moved away from Detroit due to the decline of the region.
+1
Level 63
Sep 13, 2025
its not really going anywhere, just around the same star
+8
Level 33
Sep 13, 2025
more people live in the Detroit Metro area but El Paso has more people living in the city proper
+1
Level 68
May 21, 2025
Great quiz! Hope to see more of this for other countries!