 - 1. What percentage of Los Angeles County's area is land?
A) 15% B) 75% C) 85% D) 50%
- 2. How many miles of coast does Los Angeles County have on the Pacific Ocean?
A) 110 miles B) 70 miles C) 50 miles D) 100 miles
- 3. Which of these rivers flows in Los Angeles County?
A) Colorado River B) Sacramento River C) Los Angeles River D) Columbia River
- 4. Which county borders Los Angeles County to the north?
A) Orange County B) Kern County C) Ventura County D) San Bernardino County
- 5. Where does the western extent of the Mojave Desert begin?
A) San Fernando Valley B) Antelope Valley C) San Gabriel Valley D) Crescenta Valley
- 6. Which mountain range divides the county west-to-east?
A) San Gabriel Mountains B) Santa Monica Mountains C) Tehachapi Mountains D) San Emigdio Mountains
- 7. What is the highest elevation peak mentioned in the text?
A) Mount San Antonio B) Mount Baden-Powell C) Mount Wilson D) Mount Burnham
- 8. Which islands are part of Los Angeles County?
A) Santa Rosa and San Miguel B) San Clemente and Santa Catalina C) Anacapa and Santa Cruz D) Santa Barbara and Anacapa
- 9. The San Gabriel Mountains are part of which range system?
A) Coast Ranges B) Sierra Nevada C) Transverse Ranges D) Cascade Range
- 10. Which national forest contains most of the San Gabriel Mountains?
A) San Bernardino National Forest B) Cleveland National Forest C) Los Padres National Forest D) Angeles National Forest
- 11. Which county borders Los Angeles County to the east?
A) Kern County B) Ventura County C) Orange County D) San Bernardino County
- 12. What is the height of Mount Wilson?
A) 8,997 feet B) 9,399 feet C) 5,710 feet D) 10,068 feet
- 13. Most of the population resides in which part of the county?
A) South and southwest B) West and northwest C) East and southeast D) North and northeast
- 14. Which valley is a major population center in Los Angeles County?
A) Death Valley B) San Fernando Valley C) Central Valley D) Napa Valley
- 15. What is the approximate population of Los Angeles County estimated in 2025?
A) 10,570,000 B) 9,694,934 C) 3,878,704 D) 4,083,000
- 16. How many incorporated cities are within Los Angeles County?
A) 88 B) 101 C) 40 D) 50
- 17. In what year did Los Angeles County become an original county of California?
A) 1866 B) 1851 C) 1889 D) 1850
- 18. What industry has Los Angeles County been home to since the early 20th century?
A) Motion picture industry B) Space exploration C) Automotive manufacturing D) Agricultural shipping
- 19. When Kern County was formed, what did the remaining portion of the Tejon township become?
A) Azusa Township B) San Gabriel Township C) Soledad Township D) El Monte Township
- 20. How many U.S. states have a smaller population than Los Angeles County?
A) 101 B) 15 C) 40 D) 88
- 21. What was the population of the City of Los Angeles estimated in 2024?
A) 4,083,000 B) 1,500,000 C) 9,694,934 D) 3,878,704
- 22. The San Pedro township was renamed to what by 1870?
A) Wilmington Township B) Compton Township C) South Bay Township D) Long Beach Township
- 23. Which division of Los Angeles County includes the Westside and Beach Cities?
A) North B) Central C) East D) West
- 24. Which division includes the San Fernando Valley and Crescenta Valley?
A) North B) Central C) East D) South
- 25. What is the primary climate type in the northern part of Los Angeles County?
A) Tropical B) Desert C) Humid continental D) Polar
- 26. In what season does Los Angeles County receive the most rainfall?
A) Autumn B) Summertime C) Wintertime D) Springtime
- 27. In what year did the White population in Los Angeles County reach its peak number?
A) 2024 B) 1990 C) 1960 D) 2010
- 28. Which ethnic group reached its peak population number in 1990?
A) Hispanics B) Asians C) Whites D) Blacks
- 29. Which Asian group is the largest demographic group in Los Angeles County based on the text?
A) Korean B) Chinese C) Filipino D) Japanese
- 30. Los Angeles County is home to the largest population of which group outside of their respective country?
A) Germans B) Armenians C) Italians D) Brazilians
- 31. What percentage of the population reported speaking only English at home according to 2006–2010 data?
A) 39.38% B) 20.50% C) 50.00% D) 43.59%
- 32. What was the Area Median Income for a one-person household in 2024?
A) $106,600 B) $85,000 C) $60,000 D) $74,600
- 33. What was the homeownership rate in Los Angeles County as of December 12, 2024?
A) 43.59% B) 54.2% C) 49.81% D) 30%
- 34. What was the median home value in the county as of December 23, 2025?
A) $106,600 B) $859,958 C) $950,000 D) $74,600
- 35. Approximately what percentage of the total housing inventory consisted of multi-unit structures in late 2025?
A) 43.59% B) 30% C) 49.81% D) 54.2%
- 36. How many homeless people were in Los Angeles County in October 2025?
A) 72,195 B) 47,450 C) 100,000 D) 30,000
- 37. What percentage of Los Angeles' homeless population was sheltered in 2024?
A) 30% B) 50% C) 72% D) 97%
- 38. How many Jewish synagogues were in Los Angeles County in 2015?
A) 202 B) 38 C) 44 D) 145
- 39. Which religious denomination has the largest diocese in the United States located in Los Angeles?
A) Buddhist B) Jewish C) Roman Catholic D) Sikh
- 40. What governing body oversees Los Angeles County?
A) State Senate B) Board of Supervisors C) City Council D) Mayoral Committee
- 41. How many cities receive law enforcement services from the Los Angeles County Sheriff's Department?
A) 42 cities B) 58 cities C) 100 cities D) 20 cities
- 42. Which entity operates the countywide flood control system?
A) Metropolitan Transportation Authority B) Department of Public Works C) Sheriff's Department D) Department of Public Health
- 43. Is the Los Angeles County Metropolitan Transportation Authority a county department?
A) Only for buses B) Yes C) No D) Only for rail
- 44. How many congressional districts is Los Angeles County split into?
A) 13 B) 50 C) 24 D) 17
- 45. How many California State Senate districts is Los Angeles County split into?
A) 10 B) 13 C) 24 D) 17
- 46. How many California State Assembly districts is Los Angeles County split into?
A) 17 B) 13 C) 30 D) 24
- 47. What percentage of the vote did Proposition 8 receive in Los Angeles County in 2008?
A) 50.04% B) 48.04% C) 52.00% D) 49.96%
- 48. Where are the Los Angeles County Superior Court and U.S. District Court for the Central District of California headquartered?
A) Glendale B) San Francisco C) Civic Center D) Pasadena
- 49. Which television show was spun off from Extra to report on celebrity legal problems?
A) Celebrity Justice B) Extra Legal C) LA Law D) Court TV
- 50. Where is the television show Extra based?
A) Pasadena B) San Francisco C) Glendale D) Los Angeles
- 51. Where does the Court of Appeals for the Ninth Circuit hear federal cases for this region?
A) San Francisco B) Pasadena C) Washington, D.C. D) Civic Center
- 52. What is the court of last resort for federal cases?
A) California Supreme Court B) Court of Appeals for the Ninth Circuit C) Los Angeles County Superior Court D) U.S. Supreme Court
- 53. How many homicides were reported in Los Angeles County in 2013?
A) 297 B) 843 C) 10,202 D) 386
- 54. Which type of crime had 54,971 reported incidents in 2013?
A) Car Thefts B) Burglaries C) Thefts D) Robberies
- 55. Which fruit do tropical parrots snack on in Los Angeles County?
A) Loquats B) Bananas C) Apples D) Blueberries
- 56. How many species of non-native plants are estimated to be in the urban areas of the county?
A) 100 B) 5,000 C) 500 D) 1,000
- 57. Which app is suggested for documenting observations of ecologically significant indicator species?
A) iNaturalist B) Weather Channel C) eBird D) Google Maps
- 58. Which industry sector employs 368,500 workers in Los Angeles County?
A) Agriculture B) High-tech C) Fashion D) Manufacturing
- 59. Which architect's work is described as the world's largest showcase in the urban core of Los Angeles?
A) Zaha Hadid B) Frank Lloyd Wright C) Frank Gehry D) I.M. Pei
- 60. How many species of birds are listed as charismatic biodiversity indicators?
A) 6 B) 5 C) 9 D) 14
- 61. How many murders were reported in 2013?
A) 386 B) 8,976 C) 297 D) 843
- 62. Which park is the most visited in Los Angeles County?
A) Griffith Park B) Castaic Lake Recreation Area C) Vasquez Rocks Natural Area Park D) Saddleback Butte State Park
- 63. Where is the Los Angeles County Fair held annually?
A) Pomona B) Long Beach C) Pasadena D) Culver City
- 64. Which historic ship is located in Long Beach?
A) USS Enterprise B) SS Lane Victory C) Battleship USS Iowa D) RMS Queen Mary
- 65. What is the county's largest park by area?
A) Griffith Park B) Castaic Lake Recreation Area C) Vasquez Rocks Natural Area Park D) Saddleback Butte State Park
- 66. Which location is known for filming many old Western movies?
A) Malibu B) Vasquez Rocks Natural Area Park C) Pacific Palisades D) Venice Beach
- 67. What is the largest California State Park within the county by area?
A) Saddleback Butte State Park B) Vasquez Rocks Natural Area Park C) Griffith Park D) Castaic Lake Recreation Area
- 68. In which city is the Los Angeles County Fire Museum located?
A) Pasadena B) Long Beach C) Bellflower D) Culver City
- 69. Where is the Museum of Jurassic Technology located?
A) Bellflower B) San Marino C) Culver City D) Pasadena
- 70. The J. Paul Getty Villa was originally which type of building?
A) A Roman temple B) A library C) Getty's original house D) An observatory
- 71. Which museum is located in San Marino?
A) Norton Simon Museum B) Hammer Museum C) The Broad D) Huntington Library
- 72. Which of these is a car racetrack mentioned in the text?
A) Pasadena Raceway B) Long Beach Speedway C) Irwindale Speedway D) Santa Monica Speedway
- 73. Which museum features 19th- and early 20th-century art?
A) The Broad B) Museum of Contemporary Art C) Norton Simon Museum D) Hammer Museum
- 74. In which district is LAX located?
A) Westchester B) Pacoima C) Hollywood D) Downtown Los Angeles
- 75. Which airport serves as a primary hub for Metrolink commuter rail?
A) Union Station B) LAX C) Long Beach Municipal Airport D) Van Nuys Airport
- 76. Where is the Hollywood Burbank Airport located?
A) Torrance B) Burbank C) Santa Monica D) Compton
- 77. Which freight rail corridor connects ports to downtown rail yards?
A) Alameda Corridor B) Southwest Corridor C) Metrolink Mainline D) Pacific Surfliner
- 78. Which rail service connects Los Angeles to San Diego?
A) Sunset Limited B) Southwest Chief C) Pacific Surfliner D) Coast Starlight
- 79. Which airport in Los Angeles County sees significant executive jet air traffic?
A) General William J. Fox Airfield B) Van Nuys Airport C) Compton/Woodley Airport D) Brackett Field
- 80. Which amusement park is located in San Dimas?
A) Six Flags Magic Mountain B) Universal Studios Hollywood C) Pacific Park D) Raging Waters
- 81. What is another name for Hawthorne Municipal Airport?
A) Zamperini Field B) Air Force Plant 42 C) Jack Northrop Field D) Whiteman Airport
- 82. Which transit agency serves the San Gabriel Valley region?
A) Long Beach Transit B) LADOT C) Foothill Transit D) Torrance Transit
- 83. Where is Zamperini Field located?
A) Palmdale B) Torrance C) Lancaster D) El Monte
- 84. Which Los Angeles County location is famous for the La Brea Tar Pits?
A) La Brea Tar Pits B) Descanso Gardens C) Griffith Park D) Exposition Park
- 85. What entity operates the Hollywood Burbank Airport?
A) Burbank-Glendale-Pasadena Airport Authority B) Los Angeles World Airports C) City of Los Angeles D) Los Angeles County
- 86. Which Amtrak line provides service to New Orleans?
A) Pacific Surfliner B) Sunset Limited C) Southwest Chief D) Coast Starlight
- 87. What percentage of U.S. container traffic do the Port of Los Angeles and Port of Long Beach handle together?
A) Ten percent B) Five percent C) Over half D) Over a quarter
- 88. Where does the port complex of Los Angeles and Long Beach rank in terms of world shipping volume?
A) Fifth-largest B) First-largest C) Second-largest D) Third-largest
- 89. Which program is hosted at the Port of Long Beach?
A) Sea Launch B) Space Shuttle C) Deep Sea Exploration D) Apollo
- 90. What is the function of the Sea Launch program's floating platform?
A) To transport ferry passengers B) To desalination seawater C) To store container ships D) To insert payloads into difficult orbits
- 91. Besides San Pedro and Long Beach, where does the Catalina Express ferry also travel?
A) Dana Point B) Malibu C) Santa Monica D) Venice Beach
- 92. Approximately how many water districts or agencies provide water in Los Angeles County?
A) At least 200 B) Exactly 100 C) Fewer than 50 D) Exactly 500
- 93. What has placed a strain on the county's water security?
A) Statewide droughts B) Overpopulation C) Aging infrastructure D) Pollution of the ocean
- 94. What is the name of the proposed community planned for 70,000 people?
A) New Los Angeles B) Centennial C) West County D) Pacific Heights
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