Zip Code 91784
Upland, California — San Bernardino County
📍 ZIP code 91784 is in Upland, San Bernardino County, California.
ZIP code 91784 is located in Upland, San Bernardino County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 26,900. The area code for ZIP code 91784 is 805.
Quick Answer
Zip code 91784 is in Upland, California (San Bernardino County). It has a population of 26,900, median household income of $157,118, and median home value of $853,900.
Population
26,900
Income
$157,118
Home Value
$853,900
Climate
94°F / 45°F
About Zip Code 91784
Zip code 91784 is located in Upland, California, within San Bernardino County. Home to approximately 26,900 residents, this area sits at an elevation of 1747 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 805.
The median household income is $157,118 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $853,900, and the cost of living index is 249 (149% above the national average of 100).
Summers average a high of 94°F while winters drop to 45°F. The area receives about 12 in of rain annually. The zip code covers 9.2 square miles of land area and 0.2 square miles of water.
Key Statistics
26,900
$157,118
$853,900
Pacific (PST/PDT)
805
1747 ft
9.2 sq mi
46
9,294
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Compare With Nearby Zip Codes
| Metric | 91784 | 91786 | 91701 | 91711 | 91737 | 91730 |
|---|---|---|---|---|---|---|
| City | Upland, CA | Upland, CA | Rancho Cucamonga, CA | Claremont, CA | Rancho Cucamonga, CA | Rancho Cucamonga, CA |
| Population | 26,900 | 55,519 | 38,597 | 37,538 | 22,797 | 71,692 |
| Median Income | $157,118 | $86,961 | $113,576 | $121,970 | $116,903 | $89,654 |
| Home Value | $853,900 | $607,100 | $718,800 | $870,300 | $843,500 | $595,400 |
| Cost of Living | 249 | 167 | 202 | 241 | 226 | 165 |
| Median Age | 46 | 34.8 | 42.1 | 40.4 | 44.3 | 34.8 |
Cost of Living
100 = National Average. Upland's cost of living is 149% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
5.4x
Demographics
Zip code 91784 has a population of 26,900 people with a median age of 46. There are 9,294 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Upland (91784) population trend from 2010 to 2024
↑ 76.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
94°F
45°F
12 in
0 in
Upland experiences hot summers with average highs around 94°F. Winters are mild with lows averaging 45°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$853,900
Median Household Income
$157,118
With 9,294 housing units across 9.2 square miles, 91784 has a housing density of 1,010 units per square mile. The home price-to-income ratio is 5.4x.
Location & Geography
Latitude
34.1411°
Longitude
-117.6556°
Land Area
9.2 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 91784 (Upland, CA) with distances:
All Zip Codes in Upland, CA
Other zip codes serving Upland:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 91784's $157,118. A way to compare Upland 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 91784 (Upland, 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 Upland, California?
Upland, California uses zip code 91784 along with 1 other zip codes.
What county is zip code 91784 in?
Zip code 91784 is located in San Bernardino County, California.
What is the population of zip code 91784?
The population of zip code 91784 is 26,900 with a median age of 46.
Is 91784 in Upland, California?
Yes, zip code 91784 is in Upland, San Bernardino County, California. The area code is 805.
Frequently Asked Questions
What city is zip code 91784 in?
Zip code 91784 is in Upland, California. It is part of San Bernardino County and uses the Pacific (PST/PDT) timezone.
What is zip code 91784?
Zip code 91784 is a U.S. postal code in Upland, California (San Bernardino County). It has a population of 26,900 and covers 9.2 square miles.
What is the population of zip code 91784?
The population of zip code 91784 (Upland, CA) is 26,900 with a median age of 46. There are approximately 9,294 housing units in this area.
What is the median income in zip code 91784?
The median household income in zip code 91784 (Upland, CA) is $157,118 per year. The cost of living index is 249 (100 = national average).
What is the average home price in zip code 91784?
The median home value in zip code 91784 (Upland, CA) is $853,900. The cost of living index is 249 compared to the national average of 100.
What county is zip code 91784 in?
Zip code 91784 is located in San Bernardino County, California. The primary city is Upland.
What is the area code for zip code 91784?
Zip code 91784 in Upland, CA uses area code 805. It is located in the Pacific (PST/PDT) timezone.
Is zip code 91784 a good place to live?
Zip code 91784 (Upland, CA) has a cost of living index of 249 (100 = national average), a median household income of $157,118, and median home values of $853,900. The median age is 46. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 91784?
The cost of living index for zip code 91784 (Upland, CA) is 249, where 100 represents the national average. This area is above the national average. Median home value: $853,900.
What schools serve zip code 91784?
Zip code 91784 in Upland, California is served by the local school district of San Bernardino 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.