Rosemead, CA · standard
ZIP Code 91770
Los Angeles County, California — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 62,097
- 3,733/sq mi
- $75,000
- Median income
- $790,200
- Median home value
- 21.9%
- Bachelor's or higher
The verdict
Rosemead pairs an above-median household income with top-decile home values, in a suburban-density, mixed-tenure and unusually populous area.
- Top 45%
- household income, US ZIPs
- Top 5%
- home value, US ZIPs
- 3,733
- people per sq mi
- 49%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91770 against every reporting US ZIP.
ZIP code 91770 is classified by USPS as a standard delivery area and covers roughly 16.6 square miles in Rosemead, Los Angeles County, California. The area is home to 62,097 residents, producing a population density of 3,733 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 91770 against California and the nation.
On the economic side, the median household income for ZIP 91770 sits at $75,000 (26% below the California average), while per-capita income is $28,523. The poverty rate stands at 12.7% and the unemployment rate at 5.9%. On housing, the median home value is $790,200 (2% above the state average) with median rent at $1,847 per month, and 49.0% of occupied units are owner-occupied, a direct signal of whether 91770 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 21.9% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 27 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Los Angeles County, so you can benchmark 91770 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 91770
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 91770.
- Transportation and warehousing
Transportation and warehousing
225 establishments
- Accommodation and food services
Accommodation and food services
185 establishments
- Retail trade
Retail trade
180 establishments
- Health care and social assistance
Health care and social assistance
166 establishments
- Other services (except public administration)
Other services (except public administration)
145 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 91770, Rosemead, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
62,097
Population
16.6
Area (sq mi)
3,733
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 91770?
44.5
Median Age
51.2%
Male
48.8%
Female
58.3%
Foreign-Born
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?
$75,000
Median Household Income
-26% vs state
$28,523
Per Capita Income
12.7%
Poverty Rate
5.9%
Unemployment Rate
27.0 min
Mean Commute Time
How ZIP 91770 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$75,000 Top 45% higher than 55% of 30,318 US ZIPs
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
17,902
Total Housing Units
16,872
Occupied Units
1,030
Vacant Units
3.41
Avg Household Size
Occupancy Type
$790,200
Median Home Value
+2% vs state
$1,847
Median Rent
1959
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
+11.8%
YoY Change (2024)
438
HPI Index (2000 = 100)
+338%
Total Change Since 2000
Home values in ZIP 91770 have increased 11.8% over the past year (2024). Since 2000, this ZIP has seen +338% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.0% | 321 |
| 2021 | +10.2% | 353 |
| 2022 | +14.1% | 403 |
| 2023 | -2.8% | 392 |
| 2024 | +11.8% | 438 |
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 1,514 business establishments in ZIP 91770, employing approximately 15,452 people with a combined annual payroll of $1,141,763,000.
1,514
Businesses
15,452
Employees
$1.1B
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Transportation and warehousing | 225 | 14.9% |
| Accommodation and food services | 185 | 12.2% |
| Retail trade | 180 | 11.9% |
| Health care and social assistance | 166 | 11.0% |
| Other services (except public administration) | 145 | 9.6% |
| Professional, scientific, and technical services | 131 | 8.7% |
| Wholesale trade | 118 | 7.8% |
| Construction | 99 | 6.5% |
| Finance and insurance | 63 | 4.2% |
| Real estate and rental and leasing | 60 | 4.0% |
| Manufacturing | 42 | 2.8% |
| Administrative and support and waste management and remediation services | 38 | 2.5% |
| Educational services | 22 | 1.4% |
| Utilities | 13 | 0.9% |
| Information | 13 | 0.9% |
| Arts, entertainment, and recreation | 10 | 0.7% |
| Management of companies and enterprises | 4 | 0.3% |
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 91770 vs 91776 →
ZIP 91770 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 90640
Montebello (90640)
62,549 residents
- 91770
Rosemead (91770)
62,097 residents
- 91801
Alhambra (91801)
52,735 residents
- 91733
South El Monte (91733)
43,896 residents
- 91776
San Gabriel (91776)
38,475 residents
- 91780
Temple City (91780)
34,332 residents
- 91754
Monterey Park (91754)
32,742 residents
- 91803
Alhambra (91803)
30,322 residents
- 91731
El Monte (91731)
29,591 residents
What this shows Among its immediate neighbors, ZIP 91770 ranks #2 by population — useful context the national average alone can't give.
ZIP 91770 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 91775
San Gabriel (91775)
$118,610 median income
- 91780
Temple City (91780)
$103,659 median income
- 91801
Alhambra (91801)
$89,156 median income
- 91754
Monterey Park (91754)
$86,331 median income
- 91803
Alhambra (91803)
$84,311 median income
- 91776
San Gabriel (91776)
$82,155 median income
- 90640
Montebello (90640)
$79,625 median income
- 91755
Monterey Park (91755)
$76,382 median income
- 91770
Rosemead (91770)
$75,000 median income
What this shows By household income, ZIP 91770 ranks #9 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 91776 | San Gabriel, CA | 38,475 | 1.9 mi |
| 91755 | Monterey Park, CA | 27,496 | 2.1 mi |
| 91733 | South El Monte, CA | 43,896 | 2.2 mi |
| 91775 | San Gabriel, CA | 23,988 | 3.5 mi |
| 91731 | El Monte, CA | 29,591 | 2.7 mi |
| 91780 | Temple City, CA | 34,332 | 3.0 mi |
| 91801 | Alhambra, CA | 52,735 | 3.1 mi |
| 91803 | Alhambra, CA | 30,322 | 3.7 mi |
| 91754 | Monterey Park, CA | 32,742 | 3.6 mi |
| 90640 | Montebello, CA | 62,549 | 3.7 mi |
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Frequently Asked Questions
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What is the population of ZIP code 91770? ▼
What is the median household income in ZIP 91770? ▼
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What is the demographic makeup of ZIP 91770? ▼
How many businesses are in ZIP code 91770? ▼
What are the main industries in ZIP code 91770? ▼
How have home values changed in ZIP code 91770? ▼
What is the education level in ZIP code 91770? ▼
What is the average commute time in ZIP 91770? ▼
What percentage of residents own vs. rent in ZIP 91770? ▼
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ZIP Code Research Guides
Official Data Resources for Rosemead, CA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.