Los Altos, California Population 2023

32,420

Los Altos is a city located in Santa Clara County California. With a 2023 population of 32,420, it is the 255th largest city in California and the 1417th largest city in the United States.Los Altos is currently growing at a rate of 0.82% annually and its population has increased by 2.51% since the most recent census, which recorded a population of 31,625 in 2020. Spanning over 6 miles, Los Altos has a population density of 5,003 people per square mile.

The average household income in Los Altos is $326,456 with a poverty rate of 3.54%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Los Altos is 45.7 years, 45.5 years for males, and 45.8 years for females.

Los Altos Demographics

According to the most recent ACS, the racial composition of Los Altos was:

  • White: 59.57%
  • Asian: 32.4%
  • Two or more races: 5.83%
  • Other race: 1.44%
  • Black or African American: 0.65%
  • Native American: 0.12%
  • Native Hawaiian or Pacific Islander: 0%
The current population of Los Altos, California is 32,420 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 31,625.

Los Altos, California Population 2023

Population by Race

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Los Altos Population by Race

Los Altos Population Pyramid 2023

Los Altos Median Age

45.7

Total

45.5

Male

45.8

Female

Los Altos Adults

There are 22,994 adults, (5,805 of whom are seniors) in Los Altos.

Los Altos Age Dependency

79.6

Age Dependency Ratio

33.8

Old Age Dependency Ratio

45.9

Child Dependency Ratio

Los Altos Sex Ratio

Female15,66250.72%
Male15,21649.28%

Los Altos Population by Age

Los Altos Renter vs Owner Occupied by Household Type

3.23

Average Family Size

2.9

Average Household Size

79.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Los Altos Households and Families

Male

Female

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Los Altos Educational Attainment by Sex (over 25)

Los Altos Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 90.48%.

Los Altos Educational Attainment by Race

All

Male

Female

$147,813

Average Earnings

$189,778

Average Male

$95,847

Average Female

Los Altos Earnings by Educational Attainment

Los Altos Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Los Altos Language

66.48% of Los Altos residents speak only English, while 33.52% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 26.42% of the population.

Los Altos Language

Los Altos Poverty by Race

rate

3.54%

Overall Poverty Rate

2.13%

Male Poverty Rate

3.54%

Female Poverty Rate

Poverty in Los Altos

The race most likely to be in poverty in Los Altos is Multiple, with 10.67% below the poverty level.

The race least likely to be in poverty in Los Altos is Hispanic, with 1.22% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.74%. Among those working part-time, it was 2%, and for those that did not work, the poverty rate was 6.58%.

Los Altos Poverty

Los Altos Poverty Rate by Education

Los Altos Poverty Rate by Employment Status and Sex

Los Altos Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

Los Altos Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

67.8%

Overall Marriage Rate

69.8%

Male Marriage Rate

65.8%

Female Marriage Rate

Los Altos Married by Age and Sex

male

female

Los Altos Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Los Altos Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Los Altos Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

812

Number of Veterans

715

Male Veterans

97

Female Veterans

Los Altos Veterans by War

Los Altos Veterans by Age

count

Los Altos Veterans by Race

Los Altos Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.27%

Veteran Poverty Rate

31.42%

Veteran Disability Rate

Los Altos Veterans by Education

LaborForceParticipation

59%

Labor Force Participation

56.7%

Employment Rate

3.6%

Unemployment Rate

Los Altos Employment by Age

LaborForceParticipation

Los Altos Employment by Race

LaborForceParticipation

Los Altos Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

41.33%

Born in Los Altos

67.33%

Native Born

30.31%

Foreign Born

10.06%

Non Citizen

20.25%

Naturalized

Place of Birth

67.33% of Los Altos residents were born in the United States, with 41.33% having been born in California. 10.06% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Los Altos Place of Birth

Note: data after 2020 is projected based on recent growth

Los Altos Population by Year