91766 ZIP Code — Pomona, CA
Los Angeles County, California
ZIP code 91766 is located in Pomona, California, within Los Angeles County. It covers approximately 10.10 square miles and serves a population of 69,517 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909/626.
About ZIP code 91766
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $517,500. Owner-occupancy sits near the national average at 53%.
Median household income is $72,692.
The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.
College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.
Notable community characteristics include Spanish spoken in 28% of households.
69,517
population
10.10
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91766 ZIP code map
Cities in ZIP code 91766
Below are the cities the US Postal Service accepts for ZIP code 91766. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Pomona | Acceptable |
| Pomona | Preferred |
Nearby ZIP codes
91768 Pomona (2.5 mi)
91767 Pomona (3.5 mi)
91763 Montclair (4.1 mi)
91765 Diamond Bar (4.5 mi)
91789 Walnut (5.6 mi)
91710 Chino (5.7 mi)
91710 Chino (5.7 mi)
91710 Chino (5.7 mi)
91724 Covina (5.9 mi)
91773 San Dimas (6.1 mi)
91711 Claremont (6.3 mi)
91758 Ontario (6.5 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 69,517 |
| Population density | 6,883 / sq mi |
| State FIPS | 06 |
| County FIPS | 037 |
| Geography | |
|---|---|
| Land area | 10.10 sq mi |
| Water area | 0.01 sq mi |
| Latitude | 34.0390 |
| Longitude | -117.7608 |
| Timezone | Pacific (PT) |
| Area code | 909/626 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.8% | 36.2% | 32.6% |
| $50k – $100k | 35.0% | 28.2% | 27.7% |
| $100k – $200k | 20.5% | 24.5% | 26.4% |
| Over $200k | 4.7% | 11.0% | 13.3% |
Demographics & statistics
69,517
Population
6,883
People per sq mi
34.1
Median age
$72,692
Median household income
$25,466
Per capita income
$517,500
Median home value
$1,654
Median monthly rent
52.9%
Home ownership
14.4%
Poverty rate
5.8%
Unemployment
10,891
Housing units
18.1%
Bachelor's or higher
Age distribution
Male
Female
1,978
Under 5
1,968
2,118
5–9
2,108
2,698
10–14
2,685
3,106
15–19
3,090
2,767
20–24
2,753
5,141
25–34
5,116
4,721
35–44
4,698
4,241
45–54
4,220
1,846
55–59
1,837
1,840
60–64
1,830
2,761
65–74
2,747
1,158
75–84
1,153
470
85+
467
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 17,123 | 24.6% |
| 18 and over | 52,394 | 75.4% |
| 65 and over | 8,756 | 12.6% |
| Median age | 34.1 years | |
Race & ethnicity
Hispanic or Latino
34.1%
Other race
24.1%
White
17.6%
Two or more races
11%
Asian
8.8%
Black or African American
3.3%
American Indian / Alaska Native
1%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| Hispanic or Latino | 35,923 | 34.1% |
| Other race | 25,384 | 24.1% |
| White | 18,534 | 17.6% |
| Two or more races | 11,635 | 11% |
| Asian | 9,319 | 8.8% |
| Black or African American | 3,489 | 3.3% |
| American Indian / Alaska Native | 1,096 | 1% |
| Native Hawaiian / Pacific Islander | 60 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 39.8% | 36.2% | 32.6% |
| $50k – $100k | 35.0% | 28.2% | 27.7% |
| $100k – $200k | 20.5% | 24.5% | 26.4% |
| Over $200k | 4.7% | 11.0% | 13.3% |
Under $10k
6.1%
$10k–$15k
3.1%
$15k–$25k
5.0%
$25k–$35k
7.8%
$35k–$50k
10.1%
$50k–$75k
19.5%
$75k–$100k
16.0%
$100k–$150k
17.0%
$150k–$200k
8.1%
$200k+
7.2%
| Range | % of households |
|---|---|
| Under $10k | 6.1% |
| $10k–$15k | 3.1% |
| $15k–$25k | 5.0% |
| $25k–$35k | 7.8% |
| $35k–$50k | 10.1% |
| $50k–$75k | 19.5% |
| $75k–$100k | 16.0% |
| $100k–$150k | 17.0% |
| $150k–$200k | 8.1% |
| $200k+ | 7.2% |
| Median income | $72,692 |
Housing
Home values
Under $50k
2.5%
$50k–$100k
1.4%
$100k–$150k
2.1%
$150k–$200k
0.8%
$200k–$300k
4.2%
$300k–$500k
36.3%
$500k–$1M
49.1%
$1M+
3.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $517,500 |
| Median rent / month | $1,654 |
| Owner occupied | 52.9% |
| Renter occupied | 47.1% |
| Vacant | 3.7% |
| Single-family detached | 61.7% |
| Large apartment buildings | 9.6% |
| Mobile homes | 4.7% |
| Median rooms | 5.0 |
| Avg household size (owned) | 3.64 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.3% |
| 2010–2019 | 4.3% |
| 2000–2009 | 4.8% |
| 1990–1999 | 9.0% |
| 1980–1989 | 21.9% |
| 1970–1979 | 10.5% |
| 1960–1969 | 12.2% |
| 1950–1959 | 19.1% |
| 1940–1949 | 9.5% |
| 1939 or earlier | 8.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 4.2% |
| 1 bedroom | 11.2% |
| 2 bedrooms | 27.4% |
| 3 bedrooms | 38.5% |
| 4 bedrooms | 17.1% |
| 5+ bedrooms | 1.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.2% |
| 1 vehicle | 23.5% |
| 2 vehicles | 33.0% |
| 3 or more | 37.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 62.2% |
| Electricity | 24.9% |
| Propane / LP gas | 2.3% |
| Wood | 0.1% |
| Solar | 1.0% |
| No fuel used | 9.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 10,186 | 53.0% |
| Cohabiting couple | 1,493 | 7.8% |
| Male householder, no spouse | 2,963 | 15.4% |
| Female householder, no spouse | 4,576 | 23.8% |
| Households with children under 18 | 8,292 | 43.1% |
| Households with seniors (65+) | 6,032 | 31.4% |
| Average household size | 3.58 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 45.6% | 39.4% |
| Married | 44.9% | 42.5% |
| Separated | 1.9% | 2.1% |
| Widowed | 2.2% | 6.6% |
| Divorced | 5.4% | 9.4% |
Education
Less than 9th grade
19.1%
Some HS, no diploma
12.4%
HS graduate
23.6%
Some college, no degree
20.3%
Associate's degree
6.6%
Bachelor's degree
13.2%
Graduate / professional
4.9%
| Metric | % |
|---|---|
| HS diploma or higher | 68.6% |
| Bachelor's or higher | 18.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 828 | 4.1% |
| Kindergarten | 1,138 | 5.6% |
| Elementary school | 7,299 | 35.9% |
| High school | 4,959 | 24.4% |
| College / grad school | 6,109 | 30.0% |
Employment
Industry of employment
Education & healthcare
17.5%
Retail trade
12.9%
Manufacturing
12.4%
Professional & management
10.9%
Construction
10.0%
Transportation & utilities
9.7%
Arts, food & hospitality
8.4%
Other services
5.5%
Finance & real estate
3.8%
Wholesale trade
3.5%
Public administration
3.2%
Agriculture & mining
1.6%
Information
0.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 23.8% |
| Service | 19.0% |
| Sales & office | 19.4% |
| Natural resources & construction | 13.6% |
| Production & transportation | 24.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.3% |
| Government | 12.0% |
| Self-employed | 7.5% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.1% |
| Carpool | 15.6% |
| Public transit | 1.3% |
| Walk | 1.3% |
| Work from home | 6.8% |
| Other means | 1.8% |
| Avg commute (minutes) | 31.9 |
Poverty
All people
14.4%
Under 18 years
18.5%
18 and over
13.1%
Married-couple families
7.2%
Female-led households
20.3%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.9% |
| Retirement income | 16.9% |
| Supplemental Security | 6.6% |
| Cash public assistance | 4.9% |
| Food stamps / SNAP | 14.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.9% |
| High blood pressure | 24.4% |
| High cholesterol | 26.1% |
| Diabetes | 10.5% |
| Heart disease | 4.4% |
| Stroke | 2.4% |
| Asthma | 9.3% |
| Arthritis | 14.8% |
| Kidney disease | 2.7% |
| Pulmonary disease | 4.7% |
| Cancer | 3.5% |
| Behavior / access | % |
|---|---|
| Smoking | 12.3% |
| Binge drinking | 17.7% |
| No physical activity | 26.3% |
| Less than 7 hrs sleep | 34.7% |
| Depression | 17.0% |
| Fair or poor health | 19.7% |
| Poor mental health | 16.9% |
| Poor physical health | 11.2% |
| No health insurance | 24.5% |
| Visited doctor (checkup) | 60.6% |
| Visited dentist | 52.4% |
| Cholesterol screening | 87.3% |
| Teeth loss | 13.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,308 | 2.5% |
| Disability | % |
|---|---|
| Any disability | 9.8% |
| Under 18 | 2.6% |
| 18–64 years | 7.6% |
| 65 and over | 34.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 45.3% |
| Public insurance | 47.1% |
| No insurance | 12.6% |
| Uninsured under 19 | 4.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 65,571 | 94.3% |
| Spanish | 18,183 | 27.7% |
| Other Indo-European | 14,065 | 21.5% |
| Asian & Pacific Islander | 182 | 0.3% |
| Other languages | 3,893 | 5.9% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 43,344 | 62.4% |
| Born in same state | 42,589 | 61.3% |
| Born in different state | 39,311 | 56.5% |
| Foreign born | 755 | 1.1% |
| Naturalized citizen | 26,173 | 37.6% |
| Not a US citizen | 12,828 | 49.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 1,315 | 1.9% |
| Italian | 941 | 1.4% |
| French | 702 | 1% |
| Polish | 169 | 0.2% |
| German | 134 | 0.2% |
| Ancestry | Count | % |
|---|---|---|
| English | 61 | 0.1% |
| Irish | 32 | 0% |
| Norwegian | 9 | 0% |
| Dutch | 5 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 27.6% |
| Internet access | 95.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91766
What part of Pomona is ZIP code 91766?
ZIP code 91766 covers a portion of Pomona, California, within Los Angeles County.
What county is ZIP code 91766 in?
ZIP code 91766 falls within Los Angeles County, California.
Is Spanish widely spoken in ZIP code 91766?
Approximately 28% of households in ZIP code 91766 speak Spanish as a primary language.
What is the typical home value in ZIP code 91766?
The median home value in ZIP code 91766 is $517,500.
What is the population of ZIP code 91766?
ZIP code 91766 has an estimated population of 69,517 residents, with a density of 6,884 people per square mile.
What is the median household income in ZIP code 91766?
The median household income in ZIP code 91766 is $72,692, below the national median of ~$75,000.
What timezone is ZIP code 91766 in?
ZIP code 91766 observes the PST timezone.