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ZIP Code 91108, California

ZIP Code 91108 profile, demographic data, and geographic information.

ZCTA5 91108 is a 5-digit ZIP Code area located in Los Angeles County, California. As of official census estimates, it has a reported population of 12,401. The land area covers 3.79 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 12,401 ±100 2020-2024 / Census ACS 5-Year 2024
Median Age 46.1 yrs ±2.1 2020-2024 / Census ACS 5-Year 2024
Total Households 4,038 ±393 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 4,567 ±437
Occupied Housing Units 4,038 ±393
Vacant Housing Units 529 ±175
Median Home Value $2,000,000+ —
Median Gross Rent $3,500+ —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $204,847 ±$32,194
Per Capita Income $101,946 ±$13,835
Poverty Rate 6.6% ±3.9%
Population Below Poverty Level 822 ±485
Unemployment Rate 5.3% ±2.4%
Civilian Labor Force, Employed 5,329 ±354
Broadband Internet Rate 98.7% ±13.5%
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
Regular School Nearby KG-06 La Crescenta, CA
Regular School Nearby 09-12 Los Angeles, 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
Regular School Nearby KG-06 Whittier, CA
Regular School Nearby KG-06 Whittier, CA
Regular School Nearby 09-12 Los Angeles, CA
Regular School Nearby KG-05 Downey, 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
California State University-Los Angeles
College 5.0 mi away 5151 State University Dr, Los Angeles, CA, 90032-8506
3233433000
MONTEREY PARK BRUGGEMEYER LIBRARY
Library 4.4 mi away 318 S. RAMONA AVENUE, MONTEREY PARK, CA, 91754
(626) 307-1418
University of the West
College 5.6 mi away 1409 Walnut Grove Ave, Rosemead, CA, 91770
6265718811
CITY TERRACE LIBRARY
Library 5.9 mi away 4025 EAST CITY TERRACE DR., LOS ANGELES, CA, 90063
(323) 261-0295
Diamond Beauty College
College Vocational 5.6 mi away 10301 Garvey Avenue #200, South El Monte, CA, 91733-2180
6263501195
SOUTH EL MONTE LIBRARY
Library 6.6 mi away 1430 N. CENTRAL AVE., SOUTH EL MONTE, CA, 91733
(626) 443-4158
Regan Career Institute
College Vocational 5.7 mi away 3144 Santa Anita Avenue, 2nd Floor, El Monte, CA, 91733-3254
2133988838
EAST LOS ANGELES LIBRARY
Library 6.7 mi away 4837 EAST THIRD ST., LOS ANGELES, CA, 90022
(323) 264-0155
East Los Angeles College
College 6.0 mi away 1301 Avenida Cesar Chavez, Monterey Park, CA, 91754-6099
3232658650
ANTHONY QUINN LIBRARY
Library 6.8 mi away 3965 CESAR E. CHAVEZ AVE., LOS ANGELES, CA, 90063
(323) 264-7715
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 PASADENA, CA US, located 2.5 miles from ZCTA5 91108. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 68.1° 45.5° 56.8° 4.51" 0.0"
February 69.3° 46.1° 57.7° 5.16" 0.0"
March 72.6° 48.4° 60.5° 3.03" 0.0"
April 76.2° 50.6° 63.4° 1.11" 0.0"
May 78.3° 53.9° 66.1° 0.48" 0.0"
June 83.7° 57.8° 70.7° 0.21" 0.0"
July 89.1° 62.0° 75.6° 0.06" 0.0"
August 91.3° 63.2° 77.2° 0.03" 0.0"
September 89.9° 61.6° 75.8° 0.22" 0.0"
October 83.0° 56.3° 69.7° 0.84" 0.0"
November 74.7° 49.6° 62.1° 1.10" 0.0"
December 67.2° 44.7° 56.0° 3.33" 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
San Marino city City 0.1 mi —
San Pasqual CDP CDP 1.3 mi —
East San Gabriel CDP CDP 2.0 mi —
San Gabriel city City 2.1 mi —
East Pasadena CDP CDP 2.3 mi —
South Pasadena city City 2.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 91108. • 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.