Alum Rock, CA
Population 11,619 · California
About Alum Rock, CA
Alum Rock is a mid-sized city located in California with a population of 11,619 residents according to the latest US Census Bureau American Community Survey data. The median household income is $111,976 per year, which is 49% above the national median of $75,149. The median age of 40.3 years is close to the US median age of 38.9 years.
Housing Market Overview
The housing market in Alum Rock features a median home value of $880,000, which is 259% above the national median of $244,900. This places Alum Rock in a higher-cost housing market, where property demand often outpaces supply. Median monthly rent is $2,412, 107% above the national average of $1,163/month. Of the 3,145 total housing units, 70% are owner-occupied (2,046 units) and 30% are renter-occupied (859 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Alum Rock shows an unemployment rate of 4.7%, which is near the national rate of 3.7%. The poverty rate stands at 8.7%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in Alum Rock have an average one-way commute time of 29.6 minutes.
Education & Demographics
19.8% of Alum Rock residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 62.6% White, 1.7% Hispanic or Latino, 0.1% Black or African American, and 5.2% Asian residents, with 45.3% of the population being foreign-born.
Climate & Weather
Alum Rock experiences an annual average temperature of 58.8°F with 30.61" of precipitation per year. The moderate climate offers a balance of seasonal variety without extremes. Summer highs average around 87°F (July–August), while winter lows dip to approximately 43°F (December–January).
Cost of Living in Alum Rock, CA
Compared to national averages, Alum Rock has a median household income of $111,976 (49% above the national median of $75,149). Home values average $880,000, which is 259% above the national median. Monthly rent at $2,412 is 107% above the US average of $1,163. Within California, Alum Rock's income is 14% above the state average of $97,829, and home values are 35% above the state median of $653,874.
Why Live in Alum Rock, CA?
Alum Rock offers a strong local economy with a median household income of $111,976, well above the national average, and a low poverty rate of 8.7%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $880,000. However, Alum Rock’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Alum Rock has a population of 11,619 with a median age of 40.3 years. Compare Alum Rock with other cities to see how it stacks up, or explore all cities in California.
Similar Cities Near Alum Rock
Cities in California with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| University of California-Santa Barbara | 11,634 | $75,000 | $452,600 | Compare |
| Lakeland Village | 11,587 | $83,371 | $429,000 | Compare |
| Signal Hill | 11,563 | $102,303 | $725,500 | Compare |
| La Riviera | 11,503 | $91,111 | $433,400 | Compare |
| View Park-Windsor Hills | 11,744 | $120,604 | $1,123,300 | Compare |
| Half Moon Bay | 11,454 | $153,199 | $1,467,000 | Compare |
| Los Alamitos | 11,784 | $98,539 | $1,003,900 | Compare |
| Home Gardens | 11,430 | $92,344 | $498,800 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Climate & Weather in Alum Rock
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 56 | 56 | 57 | 66 | 72 | 79 | 87 | 88 | 81 | 79 | 67 | 60 |
| Low °F | 42 | 38 | 42 | 45 | 50 | 54 | 58 | 60 | 57 | 54 | 46 | 45 |
| Rain " | 9.5 | 4.4 | 8.0 | 0.3 | 1.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 1.8 | 5.2 |
Other Cities in California
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare Alum Rock With Other Cities
Frequently Asked Questions about Alum Rock
What is the population of Alum Rock, CA?
The population of Alum Rock, CA is 11,619 according to the latest US Census Bureau American Community Survey estimates. This makes it a mid-sized city in California.
What is the median household income in Alum Rock?
The median household income in Alum Rock, CA is $111,976 per year, which is 49% above the national median of $75,149.
What is the median home value in Alum Rock?
The median home value in Alum Rock, CA is $880,000, which is 259% above the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Alum Rock?
The median monthly rent in Alum Rock, CA is $2,412, which is 107% above the national average of $1,163/month.
What is the unemployment rate in Alum Rock?
The unemployment rate in Alum Rock, CA is 4.7%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is Alum Rock, CA a good place to live?
Alum Rock offers above-average incomes, a competitive housing market, and growing employment opportunities. With a population of 11,619 and a median age of 40.3, the city appeals to a broad range of residents.
How educated is Alum Rock, CA?
19.8% of residents in Alum Rock aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in Alum Rock?
Key cost-of-living indicators for Alum Rock, CA: median home value is $880,000 (259% above national), median rent is $2,412/month, and median household income is $111,976. The home-value-to-income ratio is 7.9x, which suggests housing may be stretched relative to local earnings.
What is the poverty rate in Alum Rock?
The poverty rate in Alum Rock, CA is 8.7%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is Alum Rock, CA?
Alum Rock's population is 62.6% White, 1.7% Hispanic or Latino, 0.1% Black or African American, 5.2% Asian, and 0.3% two or more races. 45.3% of residents are foreign-born.