Diamond Bar, CA

Census place 0619192 · pop 53,355

D−44/ 100
🫤 Rough
C
in CA
📍 California ranks #49 of 50 states →
🏆 Obesity18.2% · top 1%
🚽 Disaster100/100 · bottom 1%
💡 Did you know?

A San Gabriel Valley suburb whose name comes from its diamond-shaped cattle brand from ranching days.

Source ↗
Taxes
0.74% property · US 0.99%8.99% sales · US 7.00%up to 13.30% income · US 4.63%

Sales & income are statewide.

The breakdown — worst first

Natural disaster riskCounty-level100/1001

U.S. median 77/100 · worse than most cities

100/100 FEMA risk (higher = riskier) · FEMA National Risk Index — wildfire, flood, earthquake, heat and more. Published by county, not city — every city in the county shares this figure.

Air quality (AQI)County-level80 AQI3

U.S. median 42 AQI · worse than most cities

80 median AQI · Median air quality index — lower is cleaner air. Published by county, not city — every city in the county shares this figure.

Unhealthy air daysCounty-level133 days3

U.S. median 1 days · worse than most cities

133 unhealthy-air days per year · Days per year with unhealthy air (AQI above 100). Published by county, not city — every city in the county shares this figure.

Rent$3,342/mo5

U.S. median $1,756/mo · worse than most cities

$3,342/mo typical rent · Typical monthly rent (Zillow Observed Rent Index, all home types).

Housing cost$902,2005

U.S. median $214,900 · worse than most cities

$902,200 median home value · Median home value — how expensive it is to buy in. Higher = less affordable.

Commute time33 min7

U.S. median 24 min · worse than most cities

33 min average one-way commute · Average one-way commute to work, in minutes.

Unemployment rateCounty-level5.5%7

U.S. median 3.6% · worse than most cities

5.5% unemployment · Share of the labor force out of work. Published by county, not city — every city in the county shares this figure.

Population growth (5yr)-5.1%8

U.S. median +2.4% · worse than most cities

-5.1% population change (5yr) · 5-year population change — are people moving in, or fleeing?

Property crime rate1868/100k32

U.S. median 964/100k · worse than most cities

1868 property crimes per 100k · Burglary, theft, motor-vehicle theft and arson per 100,000 residents.

Income inequality0.4534

U.S. median 0.43 · worse than most cities

Gini 0.45 (0 = equal, 1 = unequal) · Gini index of household income (0 = equal, 1 = unequal).

Poverty rate10.0%57

U.S. median 12.1% · better than most cities

10.0% live in poverty · Share of residents living below the federal poverty line.

Physical inactivity22.0%67

U.S. median 26.5% · better than most cities

22.0% of adults · Adults with no leisure-time physical activity.

Property-tax burden0.74%70

U.S. median 0.99% · better than most cities

0.74% of home value paid in property tax · Median real-estate taxes paid as a share of home value.

Violent crime rate78/100k77

U.S. median 152/100k · better than most cities

78 violent crimes per 100k · Violent crimes (murder, rape, robbery, aggravated assault) per 100,000 residents.

Median household income$108,28181

U.S. median $67,857 · better than most cities

$108,281 median household income · Median household income — a proxy for local economic health.

Homeownership77.3%81

U.S. median 67.2% · better than most cities

77.3% own their home · Share of occupied homes that are owner-occupied.

Bachelor's degree or higher52.8%85

U.S. median 24.3% · better than most cities

52.8% have a bachelor's degree or higher · Share of adults 25+ with a bachelor's degree or higher.

Broadband access96.0%87

U.S. median 90.0% · better than most cities

96.0% of homes have broadband · Share of households with a broadband internet subscription.

Uninsured adults5.5%89

U.S. median 9.3% · better than most cities

5.5% of adults · Adults 18–64 without health insurance.

Adult smoking7.8%93

U.S. median 14.6% · better than most cities

7.8% of adults · Share of adults who currently smoke.

Poor mental health12.3%96

U.S. median 17.4% · better than most cities

12.3% of adults · Adults reporting frequent poor mental health (14+ days a month).

Adult obesity18.2%100

U.S. median 36.5% · better than most cities

18.2% of adults · Share of adults with obesity (BMI ≥ 30).

Frequently asked

Is Diamond Bar, CA a good place to live?
By the numbers, Diamond Bar scores 44/100 — a D− (Rough) on Shcity, which ranks U.S. cities on public data across 22 metrics like crime, cost, jobs and health. Its strongest area is adult obesity and its weakest is natural disaster risk. California overall ranks #49 of 50 states. Whether it's "good" depends on what you value — re-weight the factors to score it your way.
How safe is Diamond Bar, CA?
Diamond Bar reports 78 violent crimes per 100k and 1868 property crimes per 100k — better than most U.S. cities on violent crime.
Is Diamond Bar, CA expensive to live in?
Diamond Bar has a median home value of $902,200 and typical rent around $3,342/mo — pricier than most U.S. cities.
What's the biggest downside of living in Diamond Bar, CA?
Its weakest measured area is natural disaster risk (100/100) — 1/100, worse than most U.S. cities. (A county-level figure.)
What is Diamond Bar, CA best at?
Its strongest measured area is adult obesity (18.2%) — 100/100, better than most U.S. cities. Fun fact: A San Gabriel Valley suburb whose name comes from its diamond-shaped cattle brand from ranching days.

Sources: U.S. Census (ACS), CDC PLACES, FBI Crime Data Explorer, BLS, EPA AirData, FEMA National Risk Index, and Zillow.