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ZIP Code 91733, California

ZIP Code 91733 profile, demographic data, and geographic information.

ZCTA5 91733 is a 5-digit ZIP Code area located in Los Angeles County, California. As of official census estimates, it has a reported population of 41,255. The land area covers 6.75 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 41,255 ±1,337 2020-2024 / Census ACS 5-Year 2024
Median Age 38.2 yrs ±1.7 2020-2024 / Census ACS 5-Year 2024
Total Households 10,922 ±418 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 11,279 ±426
Occupied Housing Units 10,922 ±418
Vacant Housing Units 357 ±122
Median Home Value $621,800 ±$17,552
Median Gross Rent $1,681 ±$48
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $68,278 ±$3,095
Per Capita Income $23,590 ±$1,352
Poverty Rate 19.3% ±3.1%
Population Below Poverty Level 7,910 ±1,307
Unemployment Rate 7.8% ±1.8%
Civilian Labor Force, Employed 18,550 ±949
Broadband Internet Rate 88.5% ±1.2%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 9,757,179 (2024)
ID: 123085
County Official County Government
Contact: EXECUTIVE OFFICER BOARD OF SUPERVISORS
500 W TEMPLE ST, ROOM 383, LOS ANGELES CA 90012

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Alternative School Nearby 07-12 Cerritos, CA
Alternative School Nearby KG-08 Cerritos, CA
Regular School Nearby KG-05 Paramount, CA
Regular School Nearby KG-06 La Crescenta, CA
Regular School Nearby 09-12 Los Angeles, CA
Regular School Nearby KG-06 Fullerton, CA
Regular School Nearby 06-12 Highland Park, CA
Regular School Nearby KG-05 Walnut Park, CA
Regular School Nearby KG-08 Los Angeles, CA
Regular School Nearby KG-06 Los Angeles, CA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
University of the West
College 1.7 mi away 1409 Walnut Grove Ave, Rosemead, CA, 91770
6265718811
SOUTH EL MONTE LIBRARY
Library 0.4 mi away 1430 N. CENTRAL AVE., SOUTH EL MONTE, CA, 91733
(626) 443-4158
Rio Hondo College
College 2.1 mi away 3600 Workman Mill Rd, Whittier, CA, 90601-1616
5626920921
MONTEBELLO LIBRARY
Library 4.0 mi away 1550 WEST BEVERLY BLVD., MONTEBELLO, CA, 90640
(323) 722-6551
Latin American Bible Institute
College 3.8 mi away 14209 East Lomitas Avenue, La Puente, CA, 91746-3099
6269681328
PICO RIVERA LIBRARY
Library 4.3 mi away 9001 MINES AVE., PICO RIVERA, CA, 90660
(562) 942-7394
Hacienda La Puente Adult Education
College Vocational 4.3 mi away 14101 E. Nelson Ave, La Puente, CA, 91746-0002
6269342801
SORENSEN LIBRARY
Library 4.6 mi away 6934 BROADWAY AVE., WHITTIER, CA, 90606
(562) 695-3979
Whittier College
College 4.8 mi away 13406 E Philadelphia Street, Whittier, CA, 90601
5629074205
WHITTIER PUBLIC LIBRARY
Library 5.1 mi away 7344 S. WASHINGTON AVE., WHITTIER, CA, 90602
(562) 567-9900
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at SAN GABRIEL FIRE DEPT, CA US, located 3.8 miles from ZCTA5 91733. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 68.6° 46.1° 57.4° 3.56" 0.0"
February 68.2° 47.1° 57.7° 4.22" 0.0"
March 70.9° 50.5° 60.7° 2.53" 0.0"
April 73.8° 52.7° 63.2° 0.61" 0.0"
May 75.6° 57.6° 66.6° 0.48" 0.0"
June 80.8° 61.5° 71.2° 0.13" 0.0"
July 85.5° 65.2° 75.4° 0.04" 0.0"
August 87.6° 65.5° 76.6° 0.00" 0.0"
September 86.7° 63.6° 75.1° 0.13" 0.0"
October 80.7° 57.4° 69.0° 0.61" 0.0"
November 74.0° 50.6° 62.3° 0.92" 0.0"
December 67.8° 45.3° 56.6° 2.44" 0.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
South El Monte city City 0.4 mi —
Rosemead city City 2.3 mi —
El Monte city City 2.4 mi —
South San Gabriel CDP CDP 2.4 mi —
Rose Hills CDP CDP 2.6 mi —
Avocado Heights CDP CDP 3.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 91733. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.