Zip Code 91766
Pomona, California — Los Angeles County
📍 ZIP code 91766 is in Pomona, Los Angeles County, California.
ZIP code 91766 is located in Pomona, Los Angeles County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 68,673. The area code for ZIP code 91766 is 805.
Quick Answer
Zip code 91766 is in Pomona, California (Los Angeles County). It has a population of 68,673, median household income of $77,699, and median home value of $568,300.
Population
68,673
Income
$77,699
Home Value
$568,300
Climate
90°F / 43°F
About Zip Code 91766
Zip code 91766 is located in Pomona, California, within Los Angeles County. Home to approximately 68,673 residents, this area sits at an elevation of 804 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 805.
The median household income is $77,699 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $568,300, and the cost of living index is 150 (50% above the national average of 100).
Summers average a high of 90°F while winters drop to 43°F. The area receives about 14 in of rain annually. The zip code covers 10.2 square miles of land area.
Key Statistics
68,673
$77,699
$568,300
Pacific (PST/PDT)
805
804 ft
10.2 sq mi
34.9
20,217
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Compare With Nearby Zip Codes
| Metric | 91766 | 91768 | 91767 | 91763 | 91762 | 91710 |
|---|---|---|---|---|---|---|
| City | Pomona, CA | Pomona, CA | Pomona, CA | Montclair, CA | Ontario, CA | Chino, CA |
| Population | 68,673 | 34,921 | 50,308 | 37,515 | 63,656 | 80,186 |
| Median Income | $77,699 | $76,313 | $80,201 | $77,627 | $76,289 | $104,205 |
| Home Value | $568,300 | $536,500 | $585,100 | $550,000 | $568,700 | $645,200 |
| Cost of Living | 150 | 142 | 158 | 143 | 149 | 182 |
| Median Age | 34.9 | 32.4 | 36.2 | 33.3 | 33.9 | 38.5 |
Cost of Living
100 = National Average. Pomona's cost of living is 50% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
7.3x
Demographics
Zip code 91766 has a population of 68,673 people with a median age of 34.9. There are 20,217 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Pomona (91766) population trend from 2010 to 2024
↓ -7.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
43°F
14 in
0 in
Pomona experiences hot summers with average highs around 90°F. Winters are mild with lows averaging 43°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$568,300
Median Household Income
$77,699
With 20,217 housing units across 10.2 square miles, 91766 has a housing density of 1,982 units per square mile. The home price-to-income ratio is 7.3x.
Location & Geography
Latitude
34.0423°
Longitude
-117.7561°
Land Area
10.2 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 91766 (Pomona, CA) with distances:
All Zip Codes in Pomona, CA
Other zip codes serving Pomona:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 91766's $77,699. A way to compare Pomona to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 91766 (Pomona, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Pomona, California?
Pomona, California uses zip code 91766 along with 2 other zip codes.
What county is zip code 91766 in?
Zip code 91766 is located in Los Angeles County, California.
What is the population of zip code 91766?
The population of zip code 91766 is 68,673 with a median age of 34.9.
Is 91766 in Pomona, California?
Yes, zip code 91766 is in Pomona, Los Angeles County, California. The area code is 805.
Frequently Asked Questions
What city is zip code 91766 in?
Zip code 91766 is in Pomona, California. It is part of Los Angeles County and uses the Pacific (PST/PDT) timezone.
What is zip code 91766?
Zip code 91766 is a U.S. postal code in Pomona, California (Los Angeles County). It has a population of 68,673 and covers 10.2 square miles.
What is the population of zip code 91766?
The population of zip code 91766 (Pomona, CA) is 68,673 with a median age of 34.9. There are approximately 20,217 housing units in this area.
What is the median income in zip code 91766?
The median household income in zip code 91766 (Pomona, CA) is $77,699 per year. The cost of living index is 150 (100 = national average).
What is the average home price in zip code 91766?
The median home value in zip code 91766 (Pomona, CA) is $568,300. The cost of living index is 150 compared to the national average of 100.
What county is zip code 91766 in?
Zip code 91766 is located in Los Angeles County, California. The primary city is Pomona.
What is the area code for zip code 91766?
Zip code 91766 in Pomona, CA uses area code 805. It is located in the Pacific (PST/PDT) timezone.
Is zip code 91766 a good place to live?
Zip code 91766 (Pomona, CA) has a cost of living index of 150 (100 = national average), a median household income of $77,699, and median home values of $568,300. The median age is 34.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 91766?
The cost of living index for zip code 91766 (Pomona, CA) is 150, where 100 represents the national average. This area is above the national average. Median home value: $568,300.
What schools serve zip code 91766?
Zip code 91766 in Pomona, California is served by the local school district of Los Angeles County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.