Alum Rock is a city located in Santa Clara County California. Alum Rock has a 2024 population of 11,864. Alum Rock is currently growing at a rate of 0.14% annually and its population has increased by 0.56% since the most recent census, which recorded a population of 11,798 in 2020.
The average household income in Alum Rock is $127,272 with a poverty rate of 9.85%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Alum Rock is 38 years, 38.1 years for males, and 37.8 years for females.
According to the most recent ACS, the racial composition of Alum Rock was:
Other race
White
Asian
Two or more races
Black or African American
Native Hawaiian or Pacific Islander
Native American
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 2,774 | 4.12 | 70.7 | 29.3 |
| Married | 1,502 | 4.63 | 72.2 | 27.8 |
| Female | 493 | 4.87 | 52.1 | 47.9 |
| Non Family | 478 | 1.42 | 79.5 | 20.5 |
| Male | 301 | 4.68 | 79.1 | 20.9 |
4.2
Average Family Size
4.12
Average Household Size
70.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
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
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among islander people with a rate of 56.67%.
All
Male
Female
$46,313
Average Earnings
$50,013
Average Male
$39,319
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
30.1% of Alum Rock residents speak only English, while 69.9% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 53.4% of the population.
rate
9.85%
Overall Poverty Rate
8.26%
Male Poverty Rate
11.43%
Female Poverty Rate
The race most likely to be in poverty in Alum Rock is Islander, with 43.33% below the poverty level.
The race least likely to be in poverty in Alum Rock is Multiple, with 1.31% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.28%. Among those working part-time, it was 9.45%, and for those that did not work, the poverty rate was 20.31%.
Married
Widowed
Divorced
Separated
NeverMarried
46.3%
Overall Marriage Rate
48.9%
Male Marriage Rate
43.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
8.93%
Veteran Poverty Rate
25.77%
Veteran Disability Rate
LaborForceParticipation
65.6%
Labor Force Participation
61.2%
Employment Rate
5.3%
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
52.13%
Born in Alum Rock
59.23%
Native Born
40.77%
Foreign Born
21.08%
Non Citizen
19.69%
Naturalized
59.23% of Alum Rock residents were born in the United States, with 52.13% having been born in California. 21.08% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2024 | 11,864 | 17 | 0.14% |
| 2023 | 11,847 | 16 | 0.14% |
| 2022 | 11,831 | -387 | -3.17% |
| 2021 | 12,218 | 420 | 3.56% |
| 2020 | 11,798 | 247 | 2.14% |
| 2019 | 11,551 | -240 | -2.04% |
| 2018 | 11,791 | -337 | -2.78% |
| 2017 | 12,128 | 251 | 2.11% |
| 2016 | 11,877 | 826 | 7.47% |
| 2015 | 11,051 | 59 | 0.54% |
| 2014 | 10,992 | -361 | -3.18% |
| 2013 | 11,353 | -443 | -3.76% |
| 2012 | 11,796 | -18 | -0.15% |
| 2011 | 11,814 | -3,722 | -23.96% |
| 2010 | 15,536 | 0 | 0% |