Diamond Bar, CA Local Data & Statistics

State: CA

Total population: 53,355 Household income: $108,281 Rent: $2,521

Overview

Total population

53,355

Rent

$2,521

Year built

1980

Household income

$108,281

Per capita income

$47,945

Poverty rate

10%

Unemployment rate

5.2%

Household size

3.0 persons

Rent over 30% of income

59.9%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available, with the exception of the unemployment rate, which is sourced from the Bureau of Labor Statistics (BLS). ACS 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Demographics

State

California

Total population

53,355

Adults over 25

39,776

Total households

18,005

Household size

3.0 persons

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Income & Poverty

Household income

$108,281

Per capita income

$47,945

Poverty rate

10%

Unemployment rate

5.2%

Rent over 30% of income

59.9%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Housing

Rent

$2,521

Year built

1980

Households that rent

22.7%

Households that own

77.3%

Rooms per home (all homes)

6.0

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Race

White

14.6%

Black

3.1%

Asian

62.7%

Two or more races

11.4%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Ethnicity

Hispanic or Latino

17.4%

Not Hispanic or Latino

82.6%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Commute

Commute rate

81.6%

Commute time to work

33 mins

Work from home

18.4%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Education

Less than high school

23.3%

High school graduate or GED

14.1%

Some college or associate degree

9.7%

Bachelor’s degree or higher

52.8%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

Comparison of Diamond Bar, CA with: California United States

Diamond Bar, CA

Total population53,355

Rent$2,521

Year built1980

Household income$108,281

Per capita income$47,945

Poverty rate10%

Unemployment rate5.2%

California State

Total population39,287,377

Rent$2,036

Year built1976

Household income$99,122

Per capita income$49,513

Poverty rate12%

Unemployment rate5.3%

United States

Total population334,922,499

Rent$1,413

Year built1980

Household income$80,734

Per capita income$44,673

Poverty rate12.5%

Unemployment rate4%

Metric	CityDiamond Bar, CA	StateCalifornia	CountryUnited States
Total population	53,355	39,287,377	334,922,499
Rent	$2,521	$2,036	$1,413
Year built	1980	1976	1980
Household income	$108,281	$99,122	$80,734
Per capita income	$47,945	$49,513	$44,673
Poverty rate	10%	12%	12.5%
Unemployment rate	5.2%	5.3%	4%

View the complete comparison of Diamond Bar, CA, California and United States →

Summary for Diamond Bar, CA

Diamond Bar is located in California.

Rent & Income

In Diamond Bar, the typical monthly rent is $2,521 and the typical household income is $108,281. Rent here is higher than in both California and the U.S., and household income is also higher than in both. The estimated poverty rate is 10%, which is lower than in both California and national.

Housing & Affordability

This area is primarily owner-occupied, with renters accounting for about 22.7% of households. About 59.9% of renters spend more than 30% of their income on housing, indicating high cost burden.

Education & Employment

Educational attainment is very high, with about 52.8% of adults holding a bachelor’s degree or higher. The local unemployment rate is 5.2%, which is similar to California and higher than the national rate.

Diamond Bar, CA — Rent vs Household Income

Diamond Bar, CA — Poverty vs Unemployment

How Diamond Bar, CA compares in California (180 places)

Metric	This place	Rank	Starts from	Statewide range
Rent	$2,521	144 / 180	from lower rent	$1,148 – $3,501
Household income	$108,281	72 / 180	from higher income	$57,719 – $234,707
Poverty rate	10%	87 / 180	from lower poverty	4.1% – 26.5%
Unemployment rate	5.2%	122 / 180	from lower unemployment	2.9% – 18.2%

Rankings are calculated among cities and communities in California with total population > 50,000 (year 2024).

Detailed Ranking Explanation for Diamond Bar, CA

Rent

When it comes to rent costs, Diamond Bar places 144th among 180 large places in California. Across the state, rents run from $1,148 in Porterville, CA up to $3,501 in Cupertino, CA.

Household income

Diamond Bar ranks 72nd among 180 large places for typical household income. Statewide values run from $57,719 in Hemet, CA to $234,707 in Cupertino, CA.

Poverty rate

In poverty comparisons, Diamond Bar ranks 87th out of 180 large places. Statewide rates vary from 4.1% in Cupertino, CA to 26.5% in Davis, CA.

Unemployment rate

For unemployment, Diamond Bar ranks 122nd out of 180 large places. Across California, unemployment ranges from 2.9% in Santa Barbara, CA to 18.2% in Delano, CA.

💰 Rent in Diamond Bar, CA (with Utilities)

Estimated Monthly Rent: $2,521 ℹ️ What’s Included:
✅ Base rent, electricity, gas, water/sewer, and heating fuels
❌ Not included: internet, cable TV, renter's insurance, parking

💡 What does this rent estimate mean?

Explanation: This estimate shows what renters typically pay each month for housing, including the apartment or home and essential utilities such as heat, water, and electricity. Even when utilities are billed separately, an estimated average cost for utilities is included, in line with the U.S. Census Bureau’s (ACS) definition of gross rent.

Included in this number: Rent plus electricity, gas, water/sewer, and heating fuel.

Not included: Internet, cable, parking, renter’s insurance, or furniture rental.

Note: This cost does not depend on the number of people living in the home.

👨‍👧‍👦 Household Income in Diamond Bar, CA

Annual Household Income: $108,281

💡 What does Household Income mean?

Definition: This represents the middle value of all household incomes in this area — half of households earn less, and half earn more.

Includes: wages, salaries, self-employment income, Social Security, pensions, investments, unemployment, public assistance, and rental income.

Does NOT include: capital gains, non-cash benefits (like food stamps), or tax refunds.

Household = any group of people (or a single person) living in the same housing unit.

Example: A couple earning $40,000 and $30,000 together have a household income of $70,000. If that's in the middle of all local incomes, it's the value shown here.

📉 Poverty Rate in Diamond Bar, CA

Estimated Rate: 10%

💡 What does the Poverty Rate represent?

Definition: The percentage of people in this area living below the federal poverty threshold.

How it works: The threshold is a dollar amount set by the U.S. Census Bureau that varies by family size and age. If a household's income is below that level, everyone in it is included in this rate.

Example: In a town of 10,000 people, if 1,500 have incomes below the poverty line, the poverty rate is 15%.

Note: This statistic only includes people living in households; it does not count those in student housing, military barracks, or nursing homes.

🏘️ Renter vs. Owner Households in Diamond Bar, CA

In Diamond Bar, CA, households that rent: 4,088 (22.7%)

📊 What does the renter household percentage reveal about this area?

Household Type	Count	Share
Renter-Occupied	4,088	22.7%
Owner-Occupied	13,917	77.3%

Definition: This is the percentage of households that rent their home rather than own it. It includes only occupied housing units.

Why it matters: Areas with a high share of renter households often have younger populations, higher mobility, and different housing needs compared to mostly owner-occupied areas.

Example: If 65% of homes in an area are renter-occupied, it means 65 out of every 100 households rent their home.

📉 Renters Spending Over 30% of Income on Rent in Diamond Bar, CA

In Diamond Bar, CA, cost-burdened renters (households spending over 30% of income on housing): 2,449 (59.9%)

🏚️ What Does It Mean When Renters Spend Over 30% of Their Income on Housing?

Household Group	Households	Share
Cost-burdened renters (over 30%)	2,449	59.9%
Other renter households	1,639	40.1%
Total renter households	4,088	100%

Shares are calculated as a percentage of renter households.

This shows how many renters in this area are considered cost-burdened — meaning they spend more than 30% of their income on housing (rent and basic utilities).

It’s a sign that housing might be unaffordable in the area or that lower-income residents may be struggling with rent.

Data comes from the U.S. Census Bureau’s American Community Survey.

📊 Education Levels in Diamond Bar, CA

Less than High School: 9,285 people (23.3%)

Includes adults who did not complete high school.

High School Graduate or GED: 5,628 people (14.1%)

Includes adults whose highest education is a high school diploma or GED.

Some College or Associate Degree: 3,853 people (9.7%)

Includes adults who attended college without completing a bachelor’s degree (some college or associate degree).

Bachelor’s Degree or Higher: 21,010 people (52.8%)

Includes adults with a bachelor’s degree or higher (bachelor’s, master’s, professional, or doctoral degree).

👥 Total Adults (25+): 39,776

📊 Unemployment Rate in Diamond Bar, CA

Estimated Rate: 5.2%

💡 What does Unemployment Rate mean?

Definition: The unemployment rate is the percentage of people in the labor force who do not have a job but are actively looking for one.

Labor Force = Employed + Unemployed (aged 16+ and actively participating in the workforce).

Formula: (Unemployed ÷ Labor Force) × 100

Does NOT include: People who are retired, students not looking for work, homemakers, or otherwise not seeking employment.

Example: If there are 1000 people in the labor force and 80 are unemployed, then the unemployment rate is 8%.

Similar Population

Galveston, TX53,348 Oak Park, IL53,315 Pinellas Park, FL53,423 Wheaton, IL53,453 Minnetonka, MN53,256 Twin Falls, ID53,219 Edina, MN53,125 Spring Hill, TN53,585 Huntington Park, CA53,658 Methuen Town, MA53,043

ℹ️ Have questions about how these statistics are calculated? See our data methodology & FAQs

Source: ACS 5-Year Estimates (U.S. Census Bureau) — unemployment rate from BLS. Some values are derived metrics.