PlainZIP

Pomona, CA · standard

ZIP Code 91766

Los Angeles County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

71,599
2,719/sq mi
$81,991
Median income
$599,000
Median home value
20.3%
Bachelor's or higher

The verdict

Pomona pairs an above-median household income with top-decile home values, in a suburban-density, mixed-tenure and unusually populous area.

Top 36%
household income, US ZIPs
Top 9%
home value, US ZIPs
2,719
people per sq mi
54%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91766 against every reporting US ZIP.

ZIP code 91766 is a densely settled ZIP (a standard USPS delivery area) in Pomona, Los Angeles County, California, with 71,599 residents across 26.3 square miles, a density of 2,719 people per square mile, in the Los Angeles time zone.

ZIP 91766 lands in the middle-income range, with a median household income of $81,991 (19% below the California average), while per-capita income is $29,196. Local economic indicators show a 14.1% poverty rate alongside 5.7% unemployment. Housing costs here run $599,000 for a typical home value (22% below the state average), with rent averaging $1,842 a month; 54.4% of homes are owner-occupied.

Educational attainment sits below the national norm: 20.3% of adults hold a bachelor's degree or higher, the median age is 35.4, and the average commute is 32 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Los Angeles County, letting you compare 91766 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 91766

Top 5 sectors by establishment count in Pomona, CA

Which industries have the most business establishments in ZIP 91766.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 91766, Pomona, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

71,599

Population

26.3

Area (sq mi)

2,719

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 91766?

35.4

Median Age

50.7%

Male

49.3%

Female

36.6%

Foreign-Born

White 14.1%
African American 5.0%
Asian 13.1%
American Indian or Alaska Native 2.8%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 22.2%
Hispanic or Latino 71.8%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$81,991

Median Household Income

-19% vs state

$29,196

Per Capita Income

14.1%

Poverty Rate

5.7%

Unemployment Rate

31.5 min

Mean Commute Time

How ZIP 91766 ranks nationally

Pomona, CA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$81,991 Top 36% higher than 64% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. 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, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 46.9%
Bachelor's Degree or Higher 20.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

20,445

Total Housing Units

19,723

Occupied Units

722

Vacant Units

3.46

Avg Household Size

Occupancy Type

Owner 54.4%
Renter 45.6%

$599,000

Median Home Value

-22% vs state

$1,842

Median Rent

1974

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+6.0%

YoY Change (2024)

425

HPI Index (2000 = 100)

+325%

Total Change Since 2000

Home values in ZIP 91766 have increased 6.0% over the past year (2024). Since 2000, this ZIP has seen +325% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.0% 296
2021 +15.2% 341
2022 +15.6% 394
2023 +1.6% 401
2024 +6.0% 425

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,067 business establishments in ZIP 91766, employing approximately 17,330 people with a combined annual payroll of $1,091,787,000.

1,067

Businesses

17,330

Employees

$1.1B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Wholesale trade 127 11.9%
Retail trade 116 10.9%
Transportation and warehousing 113 10.6%
Other services (except public administration) 110 10.3%
Accommodation and food services 109 10.2%
Construction 99 9.3%
Manufacturing 78 7.3%
Health care and social assistance 76 7.1%
Professional, scientific, and technical services 72 6.8%
Administrative and support and waste management and remediation services 53 5.0%
Real estate and rental and leasing 47 4.4%
Finance and insurance 21 2.0%
Arts, entertainment, and recreation 17 1.6%
Educational services 11 1.0%
Information 10 0.9%
Management of companies and enterprises 5 0.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 91766 vs 91768 →

ZIP 91766 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 91766 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 91766 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 91766 ranks #8 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
91768 Pomona, CA 34,537 2.5 mi
91767 Pomona, CA 48,068 2.9 mi
91763 Montclair, CA 36,375 4.0 mi
91709 Chino Hills, CA 74,796 5.5 mi
91710 Chino, CA 80,358 4.9 mi
91765 Diamond Bar, CA 46,457 5.0 mi
91773 San Dimas, CA 33,119 5.6 mi
91789 Walnut, CA 43,079 5.8 mi
91762 Ontario, CA 55,857 6.5 mi
91711 Claremont, CA 35,705 6.4 mi

More ZIP Codes in Los Angeles County

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Pop: 105,549
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Pop: 103,892
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Pop: 103,689
90201 standard
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Pop: 101,279
90280 standard
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90805 standard
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Pop: 93,524

Related Areas

Los Angeles County Pomona, CA California

Frequently Asked Questions

What county is ZIP code 91766 in? ▼
ZIP code 91766 (Pomona) is located in Los Angeles County, California. Los Angeles County contains multiple ZIP codes, see the full list at /counties/los-angeles-ca.
What is the population of ZIP code 91766? ▼
ZIP code 91766 in Pomona, CA has a population of 71,599 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 91766? ▼
The median household income in ZIP 91766 is $81,991, which is 7% above the national average of $76,288.
What is the average home value in ZIP 91766? ▼
The median home value in ZIP 91766 is $599,000, which is 115% above the national average of $278,155.
What is the demographic makeup of ZIP 91766? ▼
The largest racial group in ZIP 91766 is Two or More Ethnicities at 22.2%. Hispanic or Latino residents make up 71.8% of the population.
How many businesses are in ZIP code 91766? ▼
ZIP code 91766 has 1,067 business establishments employing approximately 17,330 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 91766? ▼
The top industries by establishment count in ZIP 91766 are: Wholesale trade (127), Retail trade (116), Transportation and warehousing (113). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 91766? ▼
According to the FHFA House Price Index, home values in ZIP 91766 increased by 6.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 325%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 91766? ▼
In ZIP code 91766, 46.9% of residents aged 25+ have a high school diploma or higher, and 20.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 91766? ▼
The mean commute time for workers in ZIP code 91766 is 31.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 91766? ▼
In ZIP code 91766, approximately 54.4% of occupied housing units are owner-occupied and 45.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 91766? ▼
The poverty rate in ZIP code 91766 is 14.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.