Zip Code 91748
Rowland Heights, California — Los Angeles County
📍 ZIP code 91748 is in Rowland Heights, Los Angeles County, California.
ZIP code 91748 is located in Rowland Heights, Los Angeles County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 43,137. The area code for ZIP code 91748 is 805.
Quick Answer
Zip code 91748 is in Rowland Heights, California (Los Angeles County). It has a population of 43,137, median household income of $83,455, and median home value of $781,500.
Population
43,137
Income
$83,455
Home Value
$781,500
Climate
87°F / 49°F
About Zip Code 91748
Zip code 91748 is located in Rowland Heights, California, within Los Angeles County. Home to approximately 43,137 residents, this area sits at an elevation of 539 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 805.
The median household income is $83,455 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $781,500, and the cost of living index is 201 (101% above the national average of 100).
Summers average a high of 87°F while winters drop to 49°F. The area receives about 14 in of rain annually. The zip code covers 14.5 square miles of land area and 0.1 square miles of water.
Key Statistics
43,137
$83,455
$781,500
Pacific (PST/PDT)
805
539 ft
14.5 sq mi
44.7
14,396
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Compare With Nearby Zip Codes
| Metric | 91748 | 92821 | 91792 | 90631 | 91789 | 91744 |
|---|---|---|---|---|---|---|
| City | Rowland Heights, CA | Brea, CA | West Covina, CA | La Habra, CA | Walnut, CA | La Puente, CA |
| Population | 43,137 | 42,196 | 30,921 | 68,615 | 40,933 | 78,253 |
| Median Income | $83,455 | $116,660 | $96,383 | $102,208 | $125,742 | $92,624 |
| Home Value | $781,500 | $851,800 | $653,800 | $757,900 | $936,800 | $585,900 |
| Cost of Living | 201 | 235 | 183 | 206 | 250 | 165 |
| Median Age | 44.7 | 39.7 | 40.5 | 39.2 | 46.3 | 36.3 |
Cost of Living
100 = National Average. Rowland Heights's cost of living is 101% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
9.4x
Demographics
Zip code 91748 has a population of 43,137 people with a median age of 44.7. There are 14,396 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Rowland Heights (91748) population trend from 2010 to 2024
↓ -39.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
49°F
14 in
0 in
Rowland Heights experiences warm summers with average highs around 87°F. Winters are mild with lows averaging 49°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$781,500
Median Household Income
$83,455
With 14,396 housing units across 14.5 square miles, 91748 has a housing density of 993 units per square mile. The home price-to-income ratio is 9.4x.
Location & Geography
Latitude
33.9749°
Longitude
-117.9007°
Land Area
14.5 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 91748 (Rowland Heights, CA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 91748's $83,455. A way to compare Rowland Heights 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 91748 (Rowland Heights, 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 Rowland Heights, California?
Rowland Heights, California uses zip code 91748.
What county is zip code 91748 in?
Zip code 91748 is located in Los Angeles County, California.
What is the population of zip code 91748?
The population of zip code 91748 is 43,137 with a median age of 44.7.
Is 91748 in Rowland Heights, California?
Yes, zip code 91748 is in Rowland Heights, Los Angeles County, California. The area code is 805.
Frequently Asked Questions
What city is zip code 91748 in?
Zip code 91748 is in Rowland Heights, California. It is part of Los Angeles County and uses the Pacific (PST/PDT) timezone.
What is zip code 91748?
Zip code 91748 is a U.S. postal code in Rowland Heights, California (Los Angeles County). It has a population of 43,137 and covers 14.5 square miles.
What is the population of zip code 91748?
The population of zip code 91748 (Rowland Heights, CA) is 43,137 with a median age of 44.7. There are approximately 14,396 housing units in this area.
What is the median income in zip code 91748?
The median household income in zip code 91748 (Rowland Heights, CA) is $83,455 per year. The cost of living index is 201 (100 = national average).
What is the average home price in zip code 91748?
The median home value in zip code 91748 (Rowland Heights, CA) is $781,500. The cost of living index is 201 compared to the national average of 100.
What county is zip code 91748 in?
Zip code 91748 is located in Los Angeles County, California. The primary city is Rowland Heights.
What is the area code for zip code 91748?
Zip code 91748 in Rowland Heights, CA uses area code 805. It is located in the Pacific (PST/PDT) timezone.
Is zip code 91748 a good place to live?
Zip code 91748 (Rowland Heights, CA) has a cost of living index of 201 (100 = national average), a median household income of $83,455, and median home values of $781,500. The median age is 44.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 91748?
The cost of living index for zip code 91748 (Rowland Heights, CA) is 201, where 100 represents the national average. This area is above the national average. Median home value: $781,500.
What schools serve zip code 91748?
Zip code 91748 in Rowland Heights, 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.