Half Moon Bay Flag

Half Moon Bay

County Seat:
No
Area (mi²):
6.242
State:
California

Half Moon Bay is a city located in San Mateo County, California. Half Moon Bay has a 2025 population of 10,661. Half Moon Bay is currently declining at a rate of -2.04% annually and its population has decreased by -9.43% since the most recent census, which recorded a population of 11,771 in 2020.

The average household income in Half Moon Bay is $219,540 with a poverty rate of 6.21%.The median age in Half Moon Bay is 46.5 years: 48.4 years for males, and 44.9 years for females.

10.7K
Total Population
1,708
Density (mi²)
-222 -2.04%
Growth

Half Moon Bay Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)