Alto, California Population 2024

659

Alto is a city located in Marin County California. Alto has a 2024 population of 659. Alto is currently declining at a rate of annually and its population has decreased by -19.44% since the most recent census, which recorded a population of 818 in 2020.

The average household income in Alto is $258,903 with a poverty rate of . The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Alto is 48.8 years, 33.9 years for males, and 50.9 years for females.

Alto Demographics

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

  • White: 83.31%
  • Two or more races: 9.26%
  • Asian: 4.7%
  • Black or African American: 1.82%
  • Other race: 0.91%
  • Native American:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
0.1 sq mi
Density (mi²)
5,240.70/sq mi
Growth Since 2020
-19.44% (-159)
The current population of Alto, California is 659 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 818.

Alto, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
White54983.31%
Two or more races619.26%
Asian314.7%
Black or African American121.82%
Other race60.91%
Native American
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Alto Population by Race

Alto Population Pyramid 2024

Alto Median Age

48.8

Total

33.9

Male

50.9

Female

Alto Adults

There are 524 adults, (59 of whom are seniors) in Alto.

Alto Age Dependency

41.7

Age Dependency Ratio

12.7

Old Age Dependency Ratio

29

Child Dependency Ratio

Alto Sex Ratio

Female39860.39%
Male26139.61%

Alto Population by Age

Alto Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2952.2351.248.8
Married1602.694060
Female722.2958.341.7
Non Family63071.428.6
Male000
showing: 5 rows

2.57

Average Family Size

2.23

Average Household Size

51.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Alto Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Alto Educational Attainment by Sex (over 25)

Alto Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Alto Educational Attainment by Race

All

Male

Female

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$121,806

Average Earnings

$156,307

Average Male

$

Average Female

Alto Earnings by Educational Attainment

Alto Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Alto Language

100% of Alto residents speak only English, while speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by of the population.

Alto Language

rate

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Rate
Poverty
Less Than 9th Grade
High School
Some College
Bachelors or Greater
showing: 4 rows

Alto Poverty Rate by Education

rate

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Rate
Poverty
Male Employed
Male Unemployed
Female Employed
Female Unemployed
showing: 4 rows

Alto Poverty Rate by Employment Status and Sex

Alto Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Alto Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.0%

Overall Marriage Rate

82.9%

Male Marriage Rate

43.7%

Female Marriage Rate

Alto Married by Age and Sex

male

female

Alto Marriage

The age group where males are most likely to be married is 20-34, while the female age group most likely to be married is 20-34.

Alto Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Alto Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

15

Number of Veterans

15

Male Veterans

Female Veterans

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Alto Veterans by War

count

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Alto Veterans by Age

count

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Alto Veterans by Race

Alto Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

Veteran Disability Rate

Alto Veterans by Education

LaborForceParticipation

66.7%

Labor Force Participation

61.4%

Employment Rate

7.8%

Unemployment Rate

Alto Employment by Age

LaborForceParticipation

Alto Employment by Race

LaborForceParticipation

Alto 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

58.42%

Born in Alto

89.68%

Native Born

10.32%

Foreign Born

3.49%

Non Citizen

6.83%

Naturalized

Place of Birth

89.68% of Alto residents were born in the United States, with 58.42% having been born in California. 3.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Alto Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2024659
2023659
2022659-241-26.78%
20219008210.02%
202081820733.88%
2019611-154-20.13%
2018765141.86%
201775110215.72%
2016649-86-11.7%
2015735578.41%
2014678-36-5.04%
2013714-31-4.16%
201274540.54%
2011741304.22%
2010711
showing: 15 rows

Alto Population by Year