Alto is a CDP located in Marin County California. Alto has a 2024 population of 650. Alto is currently declining at a rate of -0.76% annually and its population has decreased by -20.54% 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 0%. The median age in Alto is 48.8 years: 33.9 years for males, and 50.9 years for females.
According to the most recent ACS, the racial composition of Alto was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 549 | 83.31% |
| Two or more races | 61 | 9.26% |
| Asian | 31 | 4.7% |
| Black or African American | 12 | 1.82% |
| Other race | 6 | 0.91% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Asian
Black or African American
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 295 | 2.23 | 51.2 | 48.8 |
| Married | 160 | 2.69 | 40 | 60 |
| Female | 72 | 2.29 | 58.3 | 41.7 |
| Non Family | 63 | 0 | 71.4 | 28.6 |
| Male | 0 | 0 | 0 | 0 |
2.57
Average Family Size
2.23
Average Household Size
51.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 0 | 0% |
| Associates Degree | 14 | 2.67% |
| Bachelors Degree | 76 | 14.5% |
| Graduate Degree | 215 | 41.03% |
| High School Graduate | 64 | 12.21% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 155 | 29.58% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 472 | 472 | 275 |
| Hispanic | 36 | 36 | 0 |
| 2+ Races | 30 | 30 | 0 |
| Asian | 16 | 16 | 16 |
| Other Race | 6 | 6 | 0 |
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%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $148,015 | $0 | $148,309 |
| Graduate Degree | $0 | $0 | $0 |
| High School Graduate | $0 | $0 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $121,806 | $156,307 | $0 |
| Some College | $155,587 | $156,193 | $0 |
$121,806
Average Earnings
$156,307
Average Male
$0
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
100% of Alto residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 0% |
| High School | 0% |
| Some College | 0% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $221,912 | $295,880 |
| Households | $216,495 | $258,903 |
| Married Families | $221,029 | $-999,999,999 |
| Non Families | $122,431 | $122,735 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
58.0%
Overall Marriage Rate
82.9%
Male Marriage Rate
43.7%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
15
Number of Veterans
15
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 15 |
| Second Gulf War | 0 |
| First Gulf War | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 15 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 55 to 64 | 0 |
| 75+ | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 15 | 3.18% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
0%
Veteran Disability Rate
LaborForceParticipation
66.7%
Labor Force Participation
61.4%
Employment Rate
7.8%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 650 | -5 | -0.76% |
| 2023 | 655 | -4 | -0.61% |
| 2022 | 659 | -241 | -26.78% |
| 2021 | 900 | 82 | 10.02% |
| 2020 | 818 | 207 | 33.88% |
| 2019 | 611 | -154 | -20.13% |
| 2018 | 765 | 14 | 1.86% |
| 2017 | 751 | 102 | 15.72% |
| 2016 | 649 | -86 | -11.7% |
| 2015 | 735 | 57 | 8.41% |
| 2014 | 678 | -36 | -5.04% |
| 2013 | 714 | -31 | -4.16% |
| 2012 | 745 | 4 | 0.54% |
| 2011 | 741 | 30 | 4.22% |
| 2010 | 711 | 0 | 0% |