100 Biggest U.S. Cities in Former Mexican Territories with a Map

Try to name the 100 most populous U.S. cities located within the territories historically held by Mexico at its height in the 1820s and 1830s, a region that was then sparsely populated.
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Dekkie
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Last updated: February 9, 2026
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First submittedFebruary 9, 2026
Times taken140
Average score53.0%
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Population
State
Cities
3,878,704
CA
Los Angeles
2,390,125
TX
Houston
1,673,164
AZ
Phoenix
1,526,656
TX
San Antonio
1,404,452
CA
San Diego
1,326,087
TX
Dallas
1,008,106
TX
Fort Worth
997,368
CA
San Jose
993,588
TX
Austin
827,526
CA
San Francisco
681,723
TX
El Paso
678,922
NV
Las Vegas
560,326
NM
Albuquerque
554,013
AZ
Tucson
550,105
CA
Fresno
535,798
CA
Sacramento
517,151
AZ
Mesa
450,901
CA
Long Beach
443,554
CA
Oakland
417,468
CA
Bakersfield
403,672
TX
Arlington
350,039
NV
Henderson
344,561
CA
Anaheim
324,975
CA
Stockton
323,757
CA
Riverside
318,683
CA
Irvine
317,317
TX
Corpus Christi
316,184
CA
Santa Ana
294,034
NV
North Las Vegas
293,286
TX
Plano
288,790
AZ
Gilbert
281,714
NV
Reno
281,231
AZ
Chandler
278,546
CA
Chula Vista
Population
State
Cities
272,086
TX
Lubbock
261,260
TX
Laredo
258,143
AZ
Glendale
258,060
TX
Irving
250,431
TX
Garland
246,170
AZ
Scottsdale
235,208
TX
Frisco
229,159
CA
Santa Clarita
228,192
CA
Fremont
227,526
TX
McKinney
224,775
CA
San Bernardino
220,592
CA
Modesto
218,455
CA
Fontana
217,783
UT
Salt Lake City
213,919
CA
Moreno Valley
207,331
TX
Grand Prairie
203,729
TX
Amarillo
200,616
CA
Oxnard
199,924
AZ
Peoria
193,151
CA
Huntington Beach
191,967
TX
Brownsville
190,114
AZ
Tempe
187,823
CA
Glendale
185,285
CA
Ontario
182,797
CA
Elk Grove
177,524
CA
Santa Rosa
176,675
CA
Rancho Cucamonga
172,361
CA
Garden Grove
170,941
CA
Oceanside
167,564
AZ
Surprise
167,426
CA
Lancaster
165,998
TX
Denton
163,304
CA
Roseville
Population
State
Cities
162,536
CA
Palmdale
161,540
CA
Corona
160,783
CA
Salinas
160,616
TX
Killeen
158,440
CA
Hayward
156,792
CA
Sunnyvale
150,140
TX
Mesquite
149,617
TX
Pasadena
148,847
CA
Escondido
148,782
TX
McAllen
147,966
CA
Pomona
146,608
TX
Waco
146,271
CA
Visalia
143,687
TX
Midland
140,721
CA
Victorville
140,054
CA
Fullerton
139,576
CA
Torrance
138,144
UT
West Valley City
137,941
CA
Orange
137,195
CA
Pasadena
135,983
TX
Lewisville
135,456
TX
Carrollton
135,359
TX
Round Rock
133,132
CA
Santa Clara
130,501
TX
Abilene
129,620
TX
Pearland
128,023
TX
College Station
127,993
CA
Clovis
125,778
CA
Simi Valley
124,229
CA
Thousand Oaks
124,016
CA
Concord
123,475
CA
Vallejo
122,646
CA
Fairfield
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4 Comments
+2
Level 85
Feb 9, 2026
this quiz suffers so heavily from suburbs lmao
+1
Level 55
Feb 9, 2026
yes, and I hate it.
+1
Level 66
Feb 17, 2026
100% from Italy, very nice map, love it
+1
Level 55
Feb 17, 2026
Thanks!