Los Altos, California Population 2021

29,355
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Los Altos is a city located in California. With a 2020 population of 29,355, it is the 247th largest city in California and the 1316th largest city in the United States. Los Altos is currently declining at a rate of -1.23% annually but its population has increased by 1.31% since the most recent census, which recorded a population of 28,976 in 2010. Los Altos reached it's highest population of 30,728 in 2016. Spanning over 6 miles, Los Altos has a population density of 4,530 people per square mile.

The average household income in Los Altos is $326,456 with a poverty rate of 2.83%. The median rental costs in recent years comes to $3,188 per month, and the median house value is $2.00 Mn. The median age in Los Altos is 46.1 years, 46.4 years for males, and 45.7 years for females. For every 100 females there are 92.9 males.

Los Altos Demographics

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

  • White: 61.62%
  • Asian: 31.43%
  • Two or more races: 5.46%
  • Other race: 0.91%
  • Black or African American: 0.48%
  • Native American: 0.10%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Los Altos, California is 29,355, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 30,456.The last official US Census in 2010 recorded the population at 28,976.

Los Altos, California Population 2021

Population by Race

Race Population Percentage
White18,79661.62%
Asian9,58631.43%
Two or More Races1,6675.46%
Some Other Race2790.91%
Black or African American1450.48%
American Indian and Alaska Native310.10%
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Los Altos Population by Race

Los Altos Population Pyramid 2021

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Los Altos Median Age

46.1


Total

46.4


Male

45.7


Female

Los Altos Adults

There are 22,635 adults, (6,102 of whom are seniors) in Los Altos.

Los Altos Age Dependency

84.5

Age Dependency Ratio

36.9

Old Age Dependency Ratio

47.6

Child Dependency Ratio

Los Altos Sex Ratio

Female

15,812

51.84%

Male

14,692

48.16%

Los Altos Population by Age

Los Altos Renter vs Owner Occupied by Household Type

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Los Altos Household Types

Type Owner Renter
Female86.1%13.9%
Married85.5%14.5%
All81%19%
Male67.4%32.6%
Non Family62.9%37.1%

81.0%

Rate of Home Ownership

Los Altos Households and Families

Type Count Average Size Owned
All10,6522.8481
Married7,7673.2385.5
Non Family2,0301.1962.9
Female7113.2686.1
Male1442.967.4

3.16

Average Family Size

2.84

Average Household Size

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Los Altos Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1520.71%
9th to 12th Grade1820.85%
High School Graduate7033.27%
Some College1,5717.31%
Associates Degree7783.62%
Bachelors Degree6,97632.46%
Graduate Degree11,13251.79%
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Los Altos Educational Attainment by Sex (over 25)

Los Altos Educational Attainment by Race

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Name Total High School Bachelors
White13,38813,16611,032
Asian6,7146,6466,035
Hispanic828786583
Multiple Races427427333
Other Race179173130
Black11711586
Native American997

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 89.89%.

Los Altos Educational Attainment by Race

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Name Average Male Female
Overall$142,949$188,420$86,073
Less Than High School$$$
High School Grad$33,920$55,469$26,591
Some College$76,985$85,500$39,844
Bachelors Degree$115,969$188,194$66,063
Graduate Degree$162,357$202,905$113,906

$142,949

Average Earnings

$188,420

Average Male

$86,073

Average Female

Los Altos Earnings by Educational Attainment

Los Altos Language by Age

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Los Altos Language

66.57% of Los Altos residents speak only English, while 33.43% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 15.46% of the population.

Los Altos Language

Los Altos Poverty by Race

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Name Total In Poverty Poverty Rate
White17,5614562.60%
Asian9,5492322.43%
Multiple1,6611297.77%
Hispanic1,341302.24%
Black12975.43%
Other27320.73%
Native3126.45%

2.83%

Overall Poverty Rate

2.44%

Male Poverty Rate

3.19%

Female Poverty Rate

Poverty in Los Altos

The race most likely to be in poverty in Los Altos is Multiple, with 7.77% below the poverty level.

The race least likely to be in poverty in Los Altos is Other, with 0.73% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.11%. Among those working part-time, it was 2.97%, and for those that did not work, the poverty rate was 6.17%.

Los Altos Poverty

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Name Poverty
Less Than High School12.08%
High School11.69%
Some College3.23%
Bachelors or Greater2.23%

Los Altos Poverty Rate by Education

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Name Poverty
Female Unemployed20.78%
Male Unemployed8.44%
Female Employed0.92%
Male Employed0.61%

Los Altos Poverty Rate by Employment Status and Sex

Los Altos Income by Household Type

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Name Median Mean
Households$235,278$326,456
Families$250,000$365,335
Married Families$250,000-
Non Families$101,538$149,105
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Income by Household Type

Los Altos Marital Status

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Marriage Rates

67.9%

Overall Marriage Rate

70.2%

Male Marriage Rate

65.7%

Female Marriage Rate

Los Altos Married by Age and Sex

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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 45-54.

Los Altos Marital Status by Race

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Los Altos Marital Status

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943

Number of Veterans

839

Male Veterans

104

Female Veterans

War Veterans
Vietnam270
Korea196
World War II96
First Gulf War81
Second Gulf War

Los Altos Veterans by War

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Age Group Veterans
75+586
65 to 74184
35 to 54105
55 to 6468
18 to 34

Los Altos Veterans by Age

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Name Veterans % of Total
White8916.03%
Hispanic343.74%
Asian300.43%
Other147.00%
2 or More61.27%
Black21.38%

Los Altos Veterans by Race

Los Altos Veterans by Education

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1.30%

Veteran Poverty Rate

34.74%

Veteran Disability Rate

Los Altos Veterans by Education

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60.4%

Labor Force Participation

58.3%

Employment Rate

3.3%

Unemployment Rate

Los Altos Employment by Age

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Los Altos Employment by Race

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Los Altos Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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41.05%

Born in California

68.68%

Native Born

31.32%

Foreign Born

10.47%

Non Citizen

20.85%

Naturalized

Place of Birth

68.68% of Los Altos residents were born in the United States, with 41.05% having been born in California. 10.47% 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

Year Population Growth Annual Growth Rate
202129,355-367-1.23%
202029,722-367-1.22%
201930,089-367-1.21%
201830,456-221-0.72%
201730,677-51-0.17%
201630,728610.20%
201530,6673901.29%
201430,2772630.88%
201330,0142010.67%
201229,8133401.15%
201129,4733821.31%
201029,0911,3980.49%
200027,6931,3900.52%
199026,3035340.21%
198025,7697070.28%
197025,0625,3662.44%
196019,6960.00%

Los Altos Population by Year