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100 Biggest US Cities of Former Mexican Territories in 1850 with Map

With the help of a map, can you name the 100 most populous cities in the territories originally belonging to Mexico that were annexed to the U.S. by 1850?
Population estimates according to the US Census of 1850 (incomplete). Other sources listed in this Pastebin.
Some of these cities no longer exist.
Quiz by
Dekkie
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Last updated: May 17, 2025
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First submittedMay 17, 2025
Times taken158
Average score21.0%
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Pop.
State or
Territory
City
21,000
CA
San Francisco
6,820
CA
Sacramento
5,807
UT
Salt Lake City
5,623
CA
Placerville
4,846
NM
Santa Fe
4,177
TX
Galveston
4,000
CA
Sonora
3,500
CA
San Jose
3,488
TX
San Antonio
3,000
CA
Columbia
2,683
CA
Nevada City
2,396
TX
Houston
2,196
NM
La Cuesta
2,008
NM
San Miguel del Vado
2,000
TX
Brownsville
2,000
CA
Marysville
2,000
CA
Mokelumne Hill
2,000
CA
Stockton
1,610
CA
Los Angeles
1,600
TX
Harrisburg
1,600
CA
Murphys Old Diggings
1,550
NM
Las Vegas
1,500
NM
Albuquerque
1,500
CA
Santa Barbara
1,343
CA
Downieville
1,320
NM
Tecolote
1,302
CA
Auburn
1,298
TX
New Braunfels
1,294
NM
Zuni
1,189
TX
Marshall
1,186
UT
Ogden
1,176
UT
Provo
1,092
CA
Monterey
1,024
TX
Tyler
Pop.
State or
Territory
City
1,000
CA
Carson Hill
1,000
CA
Chinese Diggings
1,000
CA
Melones
1,000
CA
San Andreas
806
TX
Victoria
790
NM
Jemez
754
TX
Fredericksburg
750
TX
Huntsville
750
TX
Jefferson
750
TX
Matagorda
750
TX
Washington-on-the-Brazos
748
NM
Laguna
734
UT
Bountiful
700
TX
Bastrop
700
TX
Clarksville
688
NM
Mesilla
672
CA
Rough and Ready
629
TX
Austin
615
NM
Tome
605
NM
Seboyeta
602
NM
Sabinal
600
CA
Bidwell's Bar
600
TX
Brazoria
600
TX
Chappell Hill
600
TX
La Grange
600
TX
San Augustine
600
CA
Santa Clara
600
TX
Santa Rita
588
CA
Coloma
588
CA
Union
588
NM
Peralta
553
NM
Casa Colorada
543
NM
Socorro
Pop.
State or
Territory
City
533
TX
Corpus Christi
517
NM
Algodones
510
NM
Belen
500
TX
Brenham
500
CA
Hawkins Bar
500
CA
Jackson
500
TX
Laredo
500
CA
Murphys New Diggings
500
TX
Rio Grande City
500
CA
San Diego
500
CA
San Luis Obispo
500
CA
Sonoma
500
CA
Volcano
498
NM
Doña Ana
480
CA
Benicia
468
TX
Nacogdoches
462
CA
Georgetown
454
CA
Grass Valley
441
TX
Sulphur Springs
420
CA
Diamond Springs
420
CA
Logtown
420
CA
Louisville
420
CA
Pilot Hill
414
NM
Las Cruces
400
TX
Henderson
400
CA
Jamestown
400
CA
San Buenaventura
384
NM
Acoma
383
TX
Eagle Pass
379
TX
Indianola
366
TX
Castroville
365
UT
Manti
355
TX
Rusk
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3 Comments
+1
Level 52
May 17, 2025
"Placeville" is a crazy place name lol
+2
Level 77
May 18, 2025
Read it again
+1
Level 46
Mar 13, 2026
Crazy to see a place like Manti, Utah on a biggest cities quiz!