Lafayette, California

City of Lafayette
A view of Lafayette, California
Location of Lafayette in Contra Costa County, California
City of Lafayette
Location in the United States
Coordinates: 37°53′09″N 122°07′05″W / 37.88583°N 122.11806°W / 37.88583; -122.11806
Country United States
State California
CountyContra Costa
Settled1848
Founded1857
IncorporatedJuly 29, 1968
Government
  MayorTeresa Gerringer
  State SenatorJesse Arreguín (D)
  State AssemblyRebecca Bauer-Kahan (D)
  U. S. CongressMark DeSaulnier (D)
Area
  Total
15.21 sq mi (39.39 km2)
  Land15.04 sq mi (38.95 km2)
  Water0.17 sq mi (0.43 km2)  1.08%
Elevation
320 ft (97.5 m)
Population
 (2020)
  Total
25,391
  Density1,700/sq mi (640/km2)
Time zoneUTC−8 (PST)
  Summer (DST)UTC−7 (PDT)
ZIP Code
94549
Area code925
FIPS code06-39122
GNIS feature IDs277535, 2411591
Websitewww.lovelafayette.org

Lafayette (formerly La Fayette) is a city in Contra Costa County, California, United States. As of 2020, the city's population was 25,391. It was named after the Marquis de Lafayette, a French military officer of the American Revolutionary War.