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ZIP Code 91945, California

ZIP Code 91945 profile, demographic data, and geographic information.

ZCTA5 91945 is a 5-digit ZIP Code area located in San Diego County, California. As of official census estimates, it has a reported population of 27,745. The land area covers 3.95 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 27,745 ±70 2020-2024 / Census ACS 5-Year 2024
Median Age 37.1 yrs ±2.5 2020-2024 / Census ACS 5-Year 2024
Total Households 9,076 ±416 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 9,416 ±428
Occupied Housing Units 9,076 ±416
Vacant Housing Units 340 ±157
Median Home Value $704,900 ±$30,611
Median Gross Rent $1,896 ±$112
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $88,016 ±$6,721
Per Capita Income $36,715 ±$2,091
Poverty Rate 9.2% ±2%
Population Below Poverty Level 2,501 ±553
Unemployment Rate 5.6% ±1.8%
Civilian Labor Force, Employed 13,676 ±852
Broadband Internet Rate 94.3% ±1.4%
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: 3,298,799 (2024)
ID: 161111
County Official County Government
Contact: HUMAN RESOURCES
5530 OVERLAND AVE, STE 210, SAN DIEGO CA 92123-1204

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Alternative School Nearby 01-12 San Diego, CA
Regular School Nearby KG-05 San Diego, CA
Regular School Nearby KG-08 San Diego, CA
Regular School Nearby KG-05 San Diego, CA
Regular School Nearby KG-06 Bonita, CA
Alternative School Nearby 07-12 Chula Vista, CA
Regular School Nearby KG-12 San Diego, CA
Regular School Nearby 06-12 San Diego, CA
Regular School Nearby 07-12 El Cajon, CA
Regular School Nearby 07-12 Chula Vista, 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 Hair Design Academy
College Vocational 2.3 mi away 8011 University Avenue, Suite A-2, La Mesa, CA, 91942-5055
6194618600
LEMON GROVE LIBRARY
Library 0.5 mi away 3001 SCHOOL LANE, LEMON GROVE, CA, 91945
(619) 463-9819
North-West College-San Diego
College 2.9 mi away 6106 Arosa St, San Diego, CA, 92115-1506
8587151123
LA MESA LIBRARY
Library 2.4 mi away 8074 ALLISON AVE., LA MESA, CA, 91942
(619) 469-2151
California Barber and Beauty College
College Vocational 3.2 mi away 5315 El Cajon Boulevard, San Diego, CA, 92115-4730
6192650500
SPRING VALLEY LIBRARY
Library 2.4 mi away 836 KEMPTON STREET, SPRING VALLEY, CA, 91977
(619) 463-3006
Riggins Urban Barber College
College Vocational 3.6 mi away 220 Euclid Avenue Ste 120, San Diego, CA, 92114-3618
6197017032
SKYLINE HILLS BRANCH LIBRARY
Library 2.5 mi away 7900 PARADISE VALLEY ROAD, SAN DIEGO, CA, 92139
(619) 527-3485
San Diego State University
College 3.6 mi away 5500 Campanile Dr, San Diego, CA, 92182-0001
6195945200
OAK PARK BRANCH LIBRARY
Library 2.7 mi away 2802 54TH ST., SAN DIEGO, CA, 92105
(619) 527-3406
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 CHULA VISTA, CA US, located 7.1 miles from ZCTA5 91945. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 67.5° 46.5° 57.0° 1.82" 0.0"
February 66.8° 48.3° 57.5° 2.33" 0.0"
March 67.0° 51.4° 59.2° 1.39" 0.0"
April 68.4° 53.5° 61.0° 0.67" 0.0"
May 68.9° 58.0° 63.4° 0.27" 0.0"
June 71.0° 61.2° 66.1° 0.05" 0.0"
July 74.6° 64.7° 69.7° 0.06" 0.0"
August 76.9° 65.8° 71.3° 0.01" 0.0"
September 77.1° 64.0° 70.6° 0.09" 0.0"
October 74.9° 58.5° 66.7° 0.36" 0.0"
November 71.1° 50.9° 61.0° 0.57" 0.0"
December 66.5° 46.0° 56.2° 1.58" 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
Lemon Grove city City 0.0 mi —
La Presa CDP CDP 2.3 mi —
La Mesa city City 2.8 mi —
Spring Valley CDP CDP 3.4 mi —
Casa de Oro-Mount Helix CDP CDP 4.3 mi —
Bonita CDP CDP 4.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 91945. • 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.