Los Altos

31,625

Total Population in 2020

In 2020, Los Altos was home to 31,625 people. Residents were a majority working age, while those under 18 were a larger segment of the community than those 65 and older. The population was a majority white, with more women than men.

Most Populous Demographics

Category	Demographic	Total	Percentage
Age	18-64	17,278	55%
Sex	Female	16,216	51%
Race and Hispanic or Latino	White (Not Hispanic or Latino)	16,630	53%

Age

46.5

Median Age

In 2020, Los Altos Hills'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, 50-59 was the largest group.

Population by Age Range

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Population by Age Group

7,574

Under 18

17,278

18-64

6,773

65 and over

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Table: Population by Age Range

Age Range	Population in Los Altos
Age Range	Total	Percentage
0-9	3,137	10%
10-19	5,162	16%
20-29	2,228	7%
30-39	2,457	8%
40-49	4,704	15%
50-59	4,941	16%
60-69	3,986	13%
70-79	2,871	9%
80+	2,139	7%

Table: Population by Age Group

Age Group	Population in Los Altos
Age Group	Total	Percentage
Under 18	7,574	24%
18-64	17,278	55%
65 and over	6,773	21%

* 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 moderate amount in Los Altos. Males 10-19 were the largest group by age, followed by females 40-49 and females 50-59. The biggest gap was in the 80-and-older age group, where females were the larger share.

Population by Sex

15,409

Male

16,216

Female

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Population by Sex and Age

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Male

Female

Table: Population by Sex

Sex	Los Altos
Sex	Total	Percentage
Male	15,409	49%
Female	16,216	51%

Table: Population by Sex and Age

Sex and Age	Los Altos
Sex and Age	Total	Percentage
Male	15,409	49%
Male: 0-9	1,597	5%
Male: 10-19	2,673	8%
Male: 20-29	1,159	4%
Male: 30-39	1,163	4%
Male: 40-49	2,206	7%
Male: 50-59	2,445	8%
Male: 60-69	1,951	6%
Male: 70-79	1,317	4%
Male: 80+	898	3%
Female	16,216	51%
Female: 0-9	1,540	5%
Female: 10-19	2,489	8%
Female: 20-29	1,069	3%
Female: 30-39	1,294	4%
Female: 40-49	2,498	8%
Female: 50-59	2,496	8%
Female: 60-69	2,035	6%
Female: 70-79	1,554	5%
Female: 80+	1,241	4%

* 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

53%

White (Not Hispanic or Latino)

In 2020, Los Altos had a majority white population. Asian residents also made up a significant segment of the community, while other/multiracial and Hispanic 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 Los Altos
Race and Hispanic or Latino	Total	Percentage
White	16,630	53%
Black or African American	177	<1%
American Indian / Alaska Native	30	<1%
Asian	11,145	35%
Native Hawaiian / Pacific Islander	37	<1%
Other / Multi-racial	2,068	7%
Hispanic or Latino (any race)	1,538	5%

* 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.