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 High-density area
- $75,000
- Median income Near-median income area
- $790,200
- Median home value Above-median home value
- 21.9%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 91770 (Rosemead, CA) rose +11.8% from 2023 to 2024. The all-transactions index moved from 391.9 in 2023 to 438.2 in 2024 (2000 = 100).
ZIP code 91770 is a densely settled ZIP (a standard USPS delivery area) in Rosemead, Los Angeles County, California, with 62,097 residents across 16.6 square miles, a density of 3,733 people per square mile, in the Los Angeles time zone.
ZIP 91770 lands in the middle-income range, with a median household income of $75,000 (26% below the average California ZIP), while per-capita income is $28,523. The poverty rate is 12.7%, with unemployment at 5.9%; those measures add context to the income figure. Median home value is $790,200 (2% above the average California ZIP) and median rent is $1,847; 49.0% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 21.9% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 27 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Los Angeles County, so 91770 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 91770
Top 5 sectors by establishment count in Rosemead, CA
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$28,523
Per Capita Income
12.7%
Poverty Rate
5.9%
Unemployment Rate
27.0 min
Mean Commute Time
How ZIP 91770 ranks nationally
Rosemead, CA 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?
Housing stock: occupied vs vacant
17,902housing units
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 ZIP avg
$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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 91770, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (62,097 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Los Angeles County
Related Areas
Frequently Asked Questions
What county is ZIP code 91770 in?
ZIP code 91770 (Rosemead) is located in Los Angeles County, California. Los Angeles County contains multiple ZIP codes, see the full list at /counties/los-angeles-ca.
What is the population of ZIP code 91770?
ZIP code 91770 in Rosemead, CA has a population of 62,097 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 91770?
The median household income in ZIP 91770 is $75,000, which is 2% below the national average of $76,288.
What is the average home value in ZIP 91770?
The median home value in ZIP 91770 is $790,200, which is 184% above the national average of $278,155.
What is the demographic makeup of ZIP 91770?
The largest racial group in ZIP 91770 is Asian at 66.2%. Hispanic or Latino residents make up 28.7% of the population.
How many businesses are in ZIP code 91770?
ZIP code 91770 has 1,514 business establishments employing approximately 15,452 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 91770?
The top industries by establishment count in ZIP 91770 are: Transportation and warehousing (225), Accommodation and food services (185), Retail trade (180). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 91770?
According to the FHFA House Price Index, home values in ZIP 91770 increased by 11.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 338%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 91770?
In ZIP code 91770, 48.4% of residents aged 25+ have a high school diploma or higher, and 21.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 91770?
The mean commute time for workers in ZIP code 91770 is 27.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 91770?
In ZIP code 91770, approximately 49.0% of occupied housing units are owner-occupied and 51.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 91770?
The poverty rate in ZIP code 91770 is 12.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 91770's numbers, next.
- See how ZIP 91770 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Rosemead, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.