Alhambra, CA · standard
ZIP Code 91803
Los Angeles County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 30,322
- 3,585/sq mi High-density area
- $84,311
- Median income Above-median income area
- $888,600
- Median home value Above-median home value
- 38.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Alhambra pairs an above-median household income with top-decile home values, in a suburban-density, mixed-tenure area.
- Top 33%
- household income, US ZIPs
- Top 3%
- home value, US ZIPs
- 3,585
- people per sq mi
- 48%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91803 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 91803 (Alhambra, CA) rose +2.3% from 2023 to 2024. The all-transactions index moved from 418.1 in 2023 to 427.6 in 2024 (2000 = 100).
ZIP code 91803 is a densely settled ZIP (a standard USPS delivery area) in Alhambra, Los Angeles County, California, with 30,322 residents across 8.5 square miles, a density of 3,585 people per square mile, in the Los Angeles time zone.
ZIP 91803 lands in the middle-income range, with a median household income of $84,311 (17% below the average California ZIP), while per-capita income is $42,858. The poverty rate is 13.3%, with unemployment at 4.0%; those measures add context to the income figure. Median home value is $888,600 (15% above the average California ZIP) and median rent is $1,847; 48.4% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 38.3% of adults hold a bachelor's degree or higher, the median age is 41.8, and the average commute is 30 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Los Angeles County, so 91803 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 91803
Top 5 sectors by establishment count in Alhambra, CA
Which industries have the most business establishments in ZIP 91803.
- Professional, scientific, and technical services
Professional, scientific, and technical services
115 establishments
- Transportation and warehousing
Transportation and warehousing
109 establishments
- Wholesale trade
Wholesale trade
97 establishments
- Retail trade
Retail trade
88 establishments
- Health care and social assistance
Health care and social assistance
88 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 91803, Alhambra, 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
30,322
Population
8.5
Area (sq mi)
3,585
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 91803?
41.8
Median Age
48.7%
Male
51.3%
Female
45.4%
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?
$84,311
Median Household Income
-17% vs state ZIP avg
$42,858
Per Capita Income
13.3%
Poverty Rate
4.0%
Unemployment Rate
30.0 min
Mean Commute Time
How ZIP 91803 ranks nationally
Alhambra, CA household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$84,311 Top 33% higher than 67% 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
10,700housing units
10,700
Total Housing Units
10,028
Occupied Units
672
Vacant Units
2.75
Avg Household Size
Occupancy Type
$888,600
Median Home Value
+15% vs state ZIP avg
$1,847
Median Rent
1954
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
+2.3%
YoY Change (2024)
428
HPI Index (2000 = 100)
+328%
Total Change Since 2000
Home values in ZIP 91803 have increased 2.3% over the past year (2024). Since 2000, this ZIP has seen +328% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.3% | 314 |
| 2021 | +11.9% | 351 |
| 2022 | +12.3% | 394 |
| 2023 | +6.0% | 418 |
| 2024 | +2.3% | 428 |
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 876 business establishments in ZIP 91803, employing approximately 7,125 people with a combined annual payroll of $379,759,000.
876
Businesses
7,125
Employees
$379.8M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 115 | 13.1% |
| Transportation and warehousing | 109 | 12.4% |
| Wholesale trade | 97 | 11.1% |
| Retail trade | 88 | 10.1% |
| Health care and social assistance | 88 | 10.1% |
| Accommodation and food services | 69 | 7.9% |
| Other services (except public administration) | 67 | 7.7% |
| Real estate and rental and leasing | 58 | 6.6% |
| Construction | 41 | 4.7% |
| Manufacturing | 37 | 4.2% |
| Finance and insurance | 27 | 3.1% |
| Administrative and support and waste management and remediation services | 27 | 3.1% |
| Arts, entertainment, and recreation | 17 | 1.9% |
| Information | 15 | 1.7% |
| Educational services | 15 | 1.7% |
| Management of companies and enterprises | 4 | 0.5% |
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 91803 vs 91754 →
ZIP 91803 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 90022
Los Angeles (90022)
67,179 residents
- 91770
Rosemead (91770)
62,097 residents
- 90063
Los Angeles (90063)
55,758 residents
- 91801
Alhambra (91801)
52,735 residents
- 90032
Los Angeles (90032)
45,786 residents
- 90031
Los Angeles (90031)
39,316 residents
- 91776
San Gabriel (91776)
38,475 residents
- 91754
Monterey Park (91754)
32,742 residents
- 91803
Alhambra (91803)
30,322 residents
What this shows Among its immediate neighbors, ZIP 91803 ranks #9 by population - useful context the national average alone can't give.
ZIP 91803 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 91030
South Pasadena (91030)
$127,175 median income
- 91801
Alhambra (91801)
$89,156 median income
- 91754
Monterey Park (91754)
$86,331 median income
- 91803
Alhambra (91803)
$84,311 median income
- 90032
Los Angeles (90032)
$82,292 median income
- 91776
San Gabriel (91776)
$82,155 median income
- 91755
Monterey Park (91755)
$76,382 median income
- 91770
Rosemead (91770)
$75,000 median income
- 90063
Los Angeles (90063)
$72,942 median income
What this shows By household income, ZIP 91803 ranks #4 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 91754 | Monterey Park, CA | 32,742 | 1.7 mi |
| 91801 | Alhambra, CA | 52,735 | 1.5 mi |
| 90032 | Los Angeles, CA | 45,786 | 1.9 mi |
| 91030 | South Pasadena, CA | 25,616 | 2.5 mi |
| 91755 | Monterey Park, CA | 27,496 | 2.6 mi |
| 90022 | Los Angeles, CA | 67,179 | 3.5 mi |
| 91776 | San Gabriel, CA | 38,475 | 3.1 mi |
| 90063 | Los Angeles, CA | 55,758 | 3.1 mi |
| 90031 | Los Angeles, CA | 39,316 | 3.7 mi |
| 91770 | Rosemead, CA | 62,097 | 3.7 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 91803, 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 (30,322 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 91803 in?
ZIP code 91803 (Alhambra) 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 91803?
ZIP code 91803 in Alhambra, CA has a population of 30,322 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 91803?
The median household income in ZIP 91803 is $84,311, which is 11% above the national average of $76,288.
What is the average home value in ZIP 91803?
The median home value in ZIP 91803 is $888,600, which is 219% above the national average of $278,155.
What is the demographic makeup of ZIP 91803?
The largest racial group in ZIP 91803 is Asian at 50.5%. Hispanic or Latino residents make up 38.1% of the population.
How many businesses are in ZIP code 91803?
ZIP code 91803 has 876 business establishments employing approximately 7,125 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 91803?
The top industries by establishment count in ZIP 91803 are: Professional, scientific, and technical services (115), Transportation and warehousing (109), Wholesale trade (97). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 91803?
According to the FHFA House Price Index, home values in ZIP 91803 increased by 2.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 328%. 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 91803?
In ZIP code 91803, 57.9% of residents aged 25+ have a high school diploma or higher, and 38.3% 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 91803?
The mean commute time for workers in ZIP code 91803 is 30.0 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 91803?
In ZIP code 91803, approximately 48.4% of occupied housing units are owner-occupied and 51.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 91803?
The poverty rate in ZIP code 91803 is 13.3% 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 91803's numbers, next.
- See how ZIP 91803 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Alhambra, 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.