Alhambra, CA · standard

ZIP Code 91801

Los Angeles County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

52,735
4,672/sq mi High-density area
$89,156
Median income Above-median income area
$834,000
Median home value Above-median home value
42.0%
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, renter-heavy and unusually populous area.

Top 28%
household income, US ZIPs
Top 4%
home value, US ZIPs
4,672
people per sq mi
37%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 91801 against every reporting US ZIP.

FHFA HPI release change

What changed in the latest House Price Index year

2023 -> 2024
  • FHFA House Price Index values in ZIP 91801 (Alhambra, CA) rose +6.1% from 2023 to 2024. The all-transactions index moved from 413.7 in 2023 to 439.1 in 2024 (2000 = 100).

Arithmetic difference between stored FHFA all-transactions ZIP House Price Index annual values - a developmental index from repeat sales and appraisals, not a transaction median, appraisal opinion, or forecast. Thin markets can move sharply.

National HPI changes Year-pair CSV

ZIP code 91801 is a densely settled ZIP (a standard USPS delivery area) in Alhambra, Los Angeles County, California, with 52,735 residents across 11.3 square miles, a density of 4,672 people per square mile, in the Los Angeles time zone.

ZIP 91801 lands in the middle-income range, with a median household income of $89,156 (12% below the average California ZIP), while per-capita income is $43,895. The poverty rate is 12.3%, with unemployment at 5.8%; those measures add context to the income figure. Median home value is $834,000 (8% above the average California ZIP) and median rent is $1,981; 37.4% of occupied homes are owner-occupied.

A solid share of residents have a four-year degree: 42.0% of adults hold a bachelor's degree or higher, the median age is 41.5, 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 91801 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 →

View your shortlist → Compare ZIPs →

Top industries in ZIP 91801

Top 5 sectors by establishment count in Alhambra, CA

Which industries have the most business establishments in ZIP 91801.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 91801, 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

52,735

Population

11.3

Area (sq mi)

4,672

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 91801?

41.5

Median Age

48.8%

Male

51.2%

Female

44.7%

Foreign-Born

White 14.2%
African American 3.1%
Asian 51.1%
American Indian or Alaska Native 1.6%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 11.9%
Hispanic or Latino 33.3%

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?

$89,156

Median Household Income

-12% vs state ZIP avg

$43,895

Per Capita Income

12.3%

Poverty Rate

5.8%

Unemployment Rate

30.4 min

Mean Commute Time

How ZIP 91801 ranks nationally

Alhambra, CA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$89,156 Top 28% higher than 72% of 30,318 US ZIPs

This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 62.0%
Bachelor's Degree or Higher 42.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

22,069

Total Housing Units

20,415

Occupied Units

1,654

Vacant Units

2.59

Avg Household Size

Occupancy Type

Owner 37.4%
Renter 62.6%

$834,000

Median Home Value

+8% vs state ZIP avg

$1,981

Median Rent

1967

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+6.1%

YoY Change (2024)

439

HPI Index (2000 = 100)

+339%

Total Change Since 2000

Home values in ZIP 91801 have increased 6.1% over the past year (2024). Since 2000, this ZIP has seen +339% cumulative appreciation.

Year Annual Change HPI Index
2020 +0.4% 306
2021 +7.7% 330
2022 +16.9% 386
2023 +7.3% 414
2024 +6.1% 439

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 1,493 business establishments in ZIP 91801, employing approximately 13,300 people with a combined annual payroll of $679,339,000.

1,493

Businesses

13,300

Employees

$679.3M

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 245 16.4%
Professional, scientific, and technical services 221 14.8%
Accommodation and food services 177 11.9%
Transportation and warehousing 148 9.9%
Retail trade 139 9.3%
Other services (except public administration) 106 7.1%
Real estate and rental and leasing 97 6.5%
Finance and insurance 83 5.6%
Wholesale trade 74 5.0%
Administrative and support and waste management and remediation services 55 3.7%
Construction 48 3.2%
Information 27 1.8%
Educational services 27 1.8%
Arts, entertainment, and recreation 23 1.5%
Manufacturing 15 1.0%
Management of companies and enterprises 3 0.2%
Industries not classified 3 0.2%

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 91801 vs 91776 →

ZIP 91801 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 91801 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 91801 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 91801 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
91776 San Gabriel, CA 38,475 1.9 mi
91803 Alhambra, CA 30,322 1.5 mi
91108 San Marino, CA 13,361 2.3 mi
91106 Pasadena, CA 24,229 3.3 mi
91030 South Pasadena, CA 25,616 2.2 mi
91755 Monterey Park, CA 27,496 3.0 mi
91754 Monterey Park, CA 32,742 2.9 mi
90032 Los Angeles, CA 45,786 3.0 mi
91775 San Gabriel, CA 23,988 2.7 mi
91101 Pasadena, CA 20,460 3.9 mi

Nationwide ZIPs with similar ACS profiles

Two Census-derived peer sets for ZIP 91801, 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 (52,735 here; floor ≥1,000).

Similar median household income

Nearest cross-state ZIPs by ACS median household income.

More ZIP Codes in Los Angeles County

Frequently Asked Questions

What county is ZIP code 91801 in?

ZIP code 91801 (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 91801?

ZIP code 91801 in Alhambra, CA has a population of 52,735 according to the Census Bureau ACS 2023 estimates.

What is the median household income in ZIP 91801?

The median household income in ZIP 91801 is $89,156, which is 17% above the national average of $76,288.

What is the average home value in ZIP 91801?

The median home value in ZIP 91801 is $834,000, which is 200% above the national average of $278,155.

What is the demographic makeup of ZIP 91801?

The largest racial group in ZIP 91801 is Asian at 51.1%. Hispanic or Latino residents make up 33.3% of the population.

How many businesses are in ZIP code 91801?

ZIP code 91801 has 1,493 business establishments employing approximately 13,300 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.

What are the main industries in ZIP code 91801?

The top industries by establishment count in ZIP 91801 are: Health care and social assistance (245), Professional, scientific, and technical services (221), Accommodation and food services (177). There are 17 industry sectors represented in total.

How have home values changed in ZIP code 91801?

According to the FHFA House Price Index, home values in ZIP 91801 increased by 6.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 339%. 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 91801?

In ZIP code 91801, 62.0% of residents aged 25+ have a high school diploma or higher, and 42.0% 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 91801?

The mean commute time for workers in ZIP code 91801 is 30.4 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 91801?

In ZIP code 91801, approximately 37.4% of occupied housing units are owner-occupied and 62.6% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 91801?

The poverty rate in ZIP code 91801 is 12.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP 91801's figures come from ACS 5-Year Estimates, Census ZIP Code Business Patterns, and the FHFA House Price Index. See our methodology for details.

Related

Compare this ZIP with another

Read our methodology : how this data is sourced, computed, and verified.

Take this with you

What to do with ZIP 91801's numbers, next.

ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.