Half Moon Bay

11,795

Total Population in 2020

In 2020, Half Moon Bay was home to 11,795 people. Residents were a majority working age, while those 65 and older were a larger segment of the community than those under 18. The population was a majority white, with more women than men.

Most Populous Demographics

Category	Demographic	Total	Percentage
Age	18-64	6,758	57%
Sex	Female	6,182	52%
Race and Hispanic or Latino	White (Not Hispanic or Latino)	6,948	59%

Age

47.6

Median Age

In 2020, Half Moon Bay's population was a majority working-age adults, while those 65 and older were a moderately larger share of the community than those under age 18. Looking at 10-year age ranges, 60-69 was the largest group.

Population by Age Range

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Population by Age Group

2,213

Under 18

6,758

18-64

2,824

65 and over

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Table: Population by Age Range

Age Range	Population in Half Moon Bay
Age Range	Total	Percentage
0-9	1,128	10%
10-19	1,317	11%
20-29	1,057	9%
30-39	1,315	11%
40-49	1,455	12%
50-59	1,722	15%
60-69	1,830	16%
70-79	1,412	12%
80+	559	5%

Table: Population by Age Group

Age Group	Population in Half Moon Bay
Age Group	Total	Percentage
Under 18	2,213	19%
18-64	6,758	57%
65 and over	2,824	24%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Sex and Age

In 2020, females outnumbered males by a significant amount in Half Moon Bay. Females 60-69 were the largest group by age, followed by females 50-59 and males 60-69. The biggest gap was in the 70-79 age group, where females were the larger share.

Population by Sex

5,613

Male

6,182

Female

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Population by Sex and Age

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Male

Female

Table: Population by Sex

Sex	Half Moon Bay
Sex	Total	Percentage
Male	5,613	48%
Female	6,182	52%

Table: Population by Sex and Age

Sex and Age	Half Moon Bay
Sex and Age	Total	Percentage
Male	5,613	48%
Male: 0-9	576	5%
Male: 10-19	634	5%
Male: 20-29	551	5%
Male: 30-39	642	5%
Male: 40-49	719	6%
Male: 50-59	823	7%
Male: 60-69	848	7%
Male: 70-79	598	5%
Male: 80+	222	2%
Female	6,182	52%
Female: 0-9	552	5%
Female: 10-19	683	6%
Female: 20-29	506	4%
Female: 30-39	673	6%
Female: 40-49	736	6%
Female: 50-59	899	8%
Female: 60-69	982	8%
Female: 70-79	814	7%
Female: 80+	337	3%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Race and Hispanic or Latino

59%

White (Not Hispanic or Latino)

In 2020, Half Moon Bay had a majority white population. Hispanic residents also made up a significant segment of the community, while Asian and other/multiracial people were the next largest groups.

Population by Race and Hispanic or Latino

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Table: Population by Race and Hispanic or Latino

Race and Hispanic or Latino	Population in Half Moon Bay
Race and Hispanic or Latino	Total	Percentage
White	6,948	59%
Black or African American	78	<1%
American Indian / Alaska Native	15	<1%
Asian	699	6%
Native Hawaiian / Pacific Islander	15	<1%
Other / Multi-racial	536	5%
Hispanic or Latino (any race)	3,504	30%

* Categorized as Not Hispanic. This means that all the racial groups marked with an asterisk — White, Black or African American, American Indian / Alaska Native, Asian, Native Hawaiian / Pacific Islander, and Other / Multi-racial — do not include individuals who identify as Hispanic or Latino. The "Hispanic or Latino (any race)" category is separate, as Hispanic/Latino is considered an ethnicity rather than a racial category. For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P5 Hispanic or Latino Origin by Race.