City safety & data profile

Alum RockCA

Alum Rock, CA is a 16K-resident city in Santa Clara County with a median household income of $126,705.

Santa Clara County, California. Federal health, economic, and safety indicators for Alum Rock, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Alum Rock has a population larger than 30% of the 4,640 U.S. cities Areazine tracks, and a median home value of $909,500.

Data updated 2026-07-19

16K
Population
Top 70%
By size
$126,705
Median income
$909,500
Median home
6.2%
Poverty rate

The read on Alum Rock

Alum Rock posts a median household income higher than 85% of U.S. cities Areazine tracks.

Top 15%
by median income, US cities

Where Alum Rock income ranks nationally

Median household income vs. every place Areazine profiles (place-level ACS)

$126,705 Top 15% higher than 85% of 3,889 places Areazine profiles

$0–$20,000: 0 places Areazine profiles (0%). Below this entry. $20,000–$40,000: 71 places Areazine profiles (2%). Below this entry. $40,000–$60,000: 788 places Areazine profiles (20%). Below this entry. $60,000–$80,000: 1,055 places Areazine profiles (27%). Below this entry. $80,000–$100,000: 768 places Areazine profiles (20%). Below this entry. $100,000–$120,000: 515 places Areazine profiles (13%). Below this entry. $120,000–$140,000: 308 places Areazine profiles (8%). This entry sits in this band. $140,000–$160,000: 171 places Areazine profiles (4%). Above this entry. $160,000–$180,000: 92 places Areazine profiles (2%). Above this entry. $180,000–$200,000: 47 places Areazine profiles (1%). Above this entry. $200,000–$220,000: 28 places Areazine profiles (1%). Above this entry. $220,000–$240,000: 18 places Areazine profiles (0%). Above this entry. $240,000–$260,000: 28 places Areazine profiles (1%). Above this entry. CA $0 $260,000 every profiled place, bucketed by value

Each bar is a $20K-wide band; taller bars hold more places Areazine profiles. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, American Community Survey (place-level) · 2024 ACS 5-year

The quick read

Reading Alum Rock, CA beyond the headline numbers

Alum Rock sits inside Santa Clara County, California, at roughly 37.37°N, -121.83°W. Population 15,536, $126,705 median household income. Median home value $909,500, median rent $2,389. Poverty rate 6.2%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Alum Rock's highest-prevalence health measure is short sleep duration at 34.9%, then physical inactivity at 33%.

Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Alum Rock from FEMA, NOAA, FDA, and CPSC. Comparison bars benchmark each metric against the national reference.

Population
15,536
Alum Rock
Median Income
$126,705
+86% vs avg
Median Home Value
$909,500
+299% vs avg
Median Age
41
years

10-Year Trends 2013–2024

County-level trend (Santa Clara County) - Alum Rock's own historical series isn't separately published by the Census Bureau, so these year-over-year figures track the surrounding county, not the city alone.

20132024
Population
1.9M+5%
Median Income
$164,281+79%
Median Home Value
$1,490,600+131%
Poverty Rate
7.1%-30%
Unemployment
4.9%-49%

Economics

Economics indicators for Alum Rock, CA
IndicatorValue
Median Rent
$2,389/mo
Poverty Rate
6.2% -56% vs avg
Unemployment 4.5%
Bachelor's Degree+ 24.7%
Work From Home 7.7%
Public Transit 0.5%

Population

White 17.4%
African American 0.4%
Asian 21.1%

Health Profile 15 measures

Health Indicators

Short Sleep Duration
34.9%
Physical Inactivity
33%
Obesity
29.8%
High Blood Pressure
28.7%
Lack of Health Insurance
17.8%
Frequent Mental Distress
17.2%
Frequent Physical Distress
14.5%
Binge Drinking
13.5%
Diabetes
13.4%
Current Smoking
12.2%

Preventive Care

Dental Visit 54.4%
Annual Checkup 67.4%

Other Measures

Current Asthma
8.7%
Coronary Heart Disease
5.2%
Stroke
3%

Frequently Asked Questions 5

What is the population of Alum Rock, CA? ▼
Alum Rock, CA has a population of 15,536 people, located in Santa Clara County, California.
What is the median household income in Alum Rock? ▼
The median household income in Alum Rock, CA is $126,705 per year, per the U.S. Census ACS. The poverty rate is 6.2%.
What is the median home value in Alum Rock? ▼
The median home value in Alum Rock, CA is $909,500. Median rent is $2,389/month.
What are the top health concerns in Alum Rock? ▼
The top health indicators in Alum Rock include Short Sleep Duration (34.9%), Physical Inactivity (33%), Obesity (29.8%). Data from CDC PLACES.
What is the median age in Alum Rock? ▼
The median age in Alum Rock, CA is 41 years. 24.7% of residents have a bachelor's degree or higher.

Safety Context

Alum Rock, CA is located in Santa Clara County, California. With a population of 16K and a $126,705 median household income, the community faces health challenges including short sleep duration and physical inactivity. Safety alerts for the Alum Rock area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Primary source data

EPA Outdoor Air Quality Data

Federal monitoring network, every measurement we report

AirNow - California

Real-time AQI for every monitored California location

National Weather Service

NOAA active watches, warnings, advisories

CDC Air Quality & Health

Health-impact reference for every AQI category

EPA NAAQS standards

National Ambient Air Quality Standards, the regulatory thresholds

Nearby Cities 8

San Jose, CA 997K Communications Hill, CA 11K Milpitas, CA 78K Santa Clara, CA 126K Campbell, CA 41K Los Gatos, CA 31K Sunnyvale, CA 156K Cupertino, CA 61K
All cities in California → Compare Alum Rock vs San Jose → All comparisons → Browse all cities

Using Alum Rock's profile

Use this as a starting research checklist, not a verdict on whether to live here.

  • Check live recalls, weather and hazard alerts scoped to the Alum Rock area before relying on national headlines. Check your area
  • Read the poverty rate alongside the income figure, two places with the same median can have very different realities.
  • Compare Alum Rock against California peers on any ranking lens. Explore California

Population and economics (income, home value, poverty, education) are place-level U.S. Census ACS; health is CDC PLACES; hospital counts reflect facilities in and around the city.

Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2024 5-year estimates, place geography). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Climate data from NOAA. Education data from NCES. Cost of living from Bureau of Economic Analysis. Crime statistics, where referenced on Areazine, originate from the FBI Crime Data Explorer. Housing market figures referenced on Areazine come from HUD Fair Market Rents. Census economics and population are at place geography; some health and hospital indicators are reported at the county level (Santa Clara County) where that is the smallest published unit.

Every figure on Areazine is published directly from official U.S. government sources, no number is typed in by an editor. City demographic and health figures are compiled directly from U.S. Census, CDC, and CMS releases, updated quarterly within 30 days of upstream release. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.