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Biggest Cities of California in 1800 on a Map

With the help of a map, can you name the most populous settlements in the Spanish province of Alta California in 1800, in the area that would later become the U.S. state of California?
Takes three different settlement types into account. Population estimates sourced from The works of Hubert Howe Bancroft: History of California vol. 1.
Type-ins for both historical and modern-day names are accepted.
Dashed outlines represent the presidial districts that existed at the time.
Quiz by
Dekkie
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Last updated: June 12, 2026
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First submittedJune 12, 2026
Times taken15
Average score54.2%
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Pop.
Missions
1,523
San Diego
1,247
Santa Clara
1,140
San Gabriel
1,118
San Antonio de Padua
(Jolon)
1,046
San Juan Capistrano
959
La Purísima
(Lompoc)
864
Santa Barbara
758
San Carlos Borromeo
(Carmel-by-the-Sea)
726
San Luis Obispo
715
San Buenaventura
(Ventura)
644
San Francisco de Asís
(San Francisco)
516
San Juan Bautista
493
Soledad
492
Santa Cruz
362
San Miguel
337
San Luis Rey
(Oceanside)
310
San Fernando
286
San José
(Fremont)
Pop.
Pueblos
315
Los Angeles
171
San José
(San Jose)
 
 
Pop.
Royal Presidios
400
Monterey
370
Santa Barbara
225
San Francisco
160
San Diego
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2 Comments
+2
Level 70
Jun 12, 2026
Just wild how rapidly California population had grown!
+2
Level 56
Jun 12, 2026
Very much an underdeveloped region at the time. It was home to only a few thousand European settlers and about 150,000 - 200,000 Native Americans before the Gold Rush in the late 1840s.