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