City safety & data profile

Union CityCA

Union City, CA is a 74K-resident city in Alameda County with a median household income of $133,715.

Alameda County, California. Federal health, economic, and safety indicators for Union City, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Union City has a population larger than 88% of the 4,640 U.S. cities Areazine tracks, and a median home value of $1,104,900.

Data updated 2026-07-18

74K
Population
Top 12%
By size
$133,715
Median income
$1,104,900
Median home
7.2%
Poverty rate

The read on Union City

Union City posts a median household income higher than 88% of U.S. cities Areazine tracks.

Top 12%
by median income, US cities

Where Union City income ranks nationally

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

$133,715 Top 12% higher than 88% 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 Union City, CA beyond the headline numbers

Union City sits inside Alameda County, California, at roughly 37.60°N, -122.02°W. Population 74,494, $133,715 median household income. Median home value $1,104,900, median rent $2,713. Poverty rate 7.2%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Union City's highest-prevalence health measure is short sleep duration at 34.5%, then high blood pressure at 27.7%.

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

Population
74,494
Union City
Median Income
$133,715
+97% vs avg
Median Home Value
$1,104,900
+385% vs avg
Median Age
43
years

10-Year Trends 2013–2024

County-level trend (Alameda County) - Union City'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
1.6M+7%
Median Income
$129,367+79%
Median Home Value
$1,090,100+121%
Poverty Rate
9.2%-26%
Unemployment
5.4%-48%

Economics

Economics indicators for Union City, CA
IndicatorValue
Median Rent
$2,713/mo
Poverty Rate
7.2% -49% vs avg
Unemployment 5.3%
Bachelor's Degree+ 45.1%
Work From Home 18.6%
Public Transit 3.8%

Population

White 16.1%
African American 4.5%
Asian 57.5%
Two or More Ethnicities 1.7%

Health Profile 15 measures

Health Indicators

Short Sleep Duration
34.5%
High Blood Pressure
27.7%
Physical Inactivity
22.1%
Obesity
19%
Frequent Mental Distress
13.7%
Binge Drinking
13.3%
Diabetes
11.8%
Frequent Physical Distress
10.9%
Current Smoking
8.6%
Current Asthma
7.8%

Preventive Care

Dental Visit 66.1%
Annual Checkup 72.7%

Other Measures

Lack of Health Insurance
7.3%
Coronary Heart Disease
4.7%
Stroke
2.7%

Frequently Asked Questions 5

What is the population of Union City, CA? ▼
Union City, CA has a population of 74,494 people, located in Alameda County, California.
What is the median household income in Union City? ▼
The median household income in Union City, CA is $133,715 per year, per the U.S. Census ACS. The poverty rate is 7.2%.
What is the median home value in Union City? ▼
The median home value in Union City, CA is $1,104,900. Median rent is $2,713/month.
What are the top health concerns in Union City? ▼
The top health indicators in Union City include Short Sleep Duration (34.5%), High Blood Pressure (27.7%), Physical Inactivity (22.1%). Data from CDC PLACES.
What is the median age in Union City? ▼
The median age in Union City, CA is 43 years. 45.1% of residents have a bachelor's degree or higher.

Safety Context

Union City, CA is located in Alameda County, California. With a population of 74K and a $133,715 median household income, the community faces health challenges including short sleep duration and high blood pressure. Safety alerts for the Union City 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

Fremont, CA 232K Newark, CA 45K Fairview, CA 10K Hayward, CA 158K Cherryland, CA 15K Castro Valley, CA 61K Dublin, CA 58K San Lorenzo, CA 23K
All cities in California → Compare Union City vs Fremont → All comparisons → Browse all cities

Using Union City'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 Union City 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 Union City 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 (Alameda 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.