ZIP Code 91765: Population, Income, Housing

State: CA

Total population: 44,502 Household income: $105,565 Rent: $2,486

Overview

Total population

44,502

Rent

$2,486

Year built

1980

Household income

$105,565

Per capita income

$48,949

Poverty rate

10.7%

Unemployment rate

N/A

Household size

2.9 persons

Rent over 30% of income

62.2%

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Demographics

State

California

County

Los Angeles County

City

Diamond Bar

Total population

44,502

Adults over 25

33,491

Total households

15,233

Household size

2.9 persons

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Income & Poverty

Household income

$105,565

Per capita income

$48,949

Poverty rate

10.7%

Unemployment rate

N/A

Rent over 30% of income

62.2%

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Housing

Rent

$2,486

Year built

1980

Households that rent

22.5%

Households that own

77.5%

Rooms per home (all homes)

6.1

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Race

White

14.7%

Black

3.5%

Asian

62.2%

Two or more races

11.1%

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Ethnicity

Hispanic or Latino

17.3%

Not Hispanic or Latino

82.7%

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Commute

Commute rate

17,499 (82.8%)

Commute time to work

33 mins

Work from home

3,634 (17.2%)

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Education

Less than high school

22.9%

High school graduate or GED

13.7%

Some college or associate degree

9.6%

Bachelor’s degree or higher

53.7%

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

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Comparison of ZIP Code 91765 with: Los Angeles County, CA Diamond Bar, CA Los Angeles metro area, CA California United States

ZIP 91765

Total population44,502

Rent$2,486

Year built1980

Household income$105,565

Per capita income$48,949

Poverty rate10.7%

Unemployment rateN/A

Los Angeles County, CA

Total population9,808,667

Rent$1,954

Year built1965

Household income$90,112

Per capita income$45,792

Poverty rate13.7%

Unemployment rate5.7%

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%

Los Angeles Metro Area, CA

Total population12,974,487

Rent$2,063

Year built1969

Household income$95,958

Per capita income$47,931

Poverty rate12.7%

Unemployment rate5.4%

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	ZIP91765	CountyLos Angeles, CA	CityDiamond Bar, CA	Metro AreaLos Angeles metro area, CA	StateCalifornia	CountryUnited States
Total population	44,502	9,808,667	53,355	12,974,487	39,287,377	334,922,499
Rent	$2,486	$1,954	$2,521	$2,063	$2,036	$1,413
Year built	1980	1965	1980	1969	1976	1980
Household income	$105,565	$90,112	$108,281	$95,958	$99,122	$80,734
Per capita income	$48,949	$45,792	$47,945	$47,931	$49,513	$44,673
Poverty rate	10.7%	13.7%	10%	12.7%	12%	12.5%
Unemployment rate	N/A	5.7%	5.2%	5.4%	5.3%	4%

View the full multi-level comparison →

Summary for 91765

Rent & Income

In 91765, the typical monthly rent is $2,486 and the typical household income is $105,565. Rent here is similar to Diamond Bar and higher than California, and household income is similar to Diamond Bar and higher than California. The estimated poverty rate is 10.7%, which is higher than the Diamond Bar rate but lower than the California rate.

Housing & Affordability

This ZIP Code is primarily owner-occupied, with renters accounting for about 22.5% of households. About 62.2% of renters spend more than 30% of their income on housing, indicating high cost burden.

Education & Employment

Educational attainment is very high, with about 53.7% of adults holding a bachelor’s degree or higher.

ZIP 91765 — Rent vs Household Income

ZIP 91765 — Poverty

How ZIP 91765 compares in California (613 ZIP Codes)

Metric	This ZIP	Rank	Starts from	State range
Rent	$2,486	472 / 613	from lower rent	$1,054 – $3,501
Household income	$105,565	248 / 613	from higher income	$35,378 – $250,001
Poverty rate	10.7%	303 / 613	from lower poverty	2.2% – 39.6%

Rankings are calculated among ZIP Codes in California with total population > 30,000 (year 2024).

Detailed Ranking Explanation for ZIP Code 91765

Rent

When it comes to rent, ZIP Code 91765 ranks 472nd out of 613 ZIP Codes in California. Statewide, values range from $1,054 in ZIP 92243 up to $3,501 in ZIP 90275.

Household income

Income-wise, this area is placed 248th out of 613 ZIP Codes. Across California, figures vary from $35,378 in ZIP 90007 up to $250,001 in ZIP 95070.

Poverty rate

When it comes to poverty, ZIP Code 91765 places 303rd out of 613 ZIP Codes. Throughout California, numbers span from 2.2% in ZIP 95120 up to 39.6% in ZIP 90007.

💰 Rent in ZIP Code 91765 (with Utilities)

Estimated Monthly Rent: $2,486 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 like heat, water, and electricity.

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 ZIP Code 91765

Annual Household Income: $105,565

💡 What does Household Income mean?

Definition: This represents the middle value of all household incomes in the ZIP code — 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 ZIP Code 91765

Estimated Rate: 10.7%

💡 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 ZIP Code 91765

In ZIP Code 91765, households that rent: 3,425 (22.5%)

📊 What does the renter household percentage reveal about this ZIP Code?

Household Type	Count	Share
Renter-Occupied	3,425	22.5%
Owner-Occupied	11,808	77.5%

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 ZIP Code 91765

In ZIP Code 91765, cost-burdened renters (households spending over 30% of income on housing): 2,129 (62.2%)

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

Household Group	Households	Share
Cost-burdened renters (over 30%)	2,129	62.2%
Other renter households	1,296	37.8%
Total renter households	3,425	100%

Shares are calculated as a percentage of renter households.

This shows how many renters in the ZIP code 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 ZIP Code 91765

Less than High School: 7,686 people (22.9%)

Includes adults who did not complete high school.

High School Graduate or GED: 4,598 people (13.7%)

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

Some College or Associate Degree: 3,214 people (9.6%)

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

Bachelor’s Degree or Higher: 17,993 people (53.7%)

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

👥 Total Adults (25+): 33,491

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.