El Cajon, California population is 101,755 as of July 1, 2025 (U.S. Census Bureau Vintage 2025 estimate), ranking #332 nationally and #74 in California. Cost of living runs 12% above the U.S. average (BEA RPP 2024); a family of four needs roughly $146,659/yr to break even (2025 modeled). This profile draws on 13 federal datasets covering population, housing, income, employment, climate, and risk.
At a glance.
2025 population
101,755
-1,086 in the last year
Top 2% of 19,483 U.S. cities
Census Vintage 2025
Cost of living
RPP 111.9
+12% vs US
San Diego-Chula Vista-Carlsbad, CA metro · BEA 2024
Family-of-4 budget
$146,659/yr
+83% vs US
Modeled 2025 · federal sources
Median HH income
$67,511
−13% vs US
ACS 2020–2024 5-yr
Median home value
$681,700
+125% vs US
ACS 2020–2024 5-yr
2-BR fair-market rent
$3,001/mo
HUD FY2026 · 40th pct
Avg July high
85°F
NOAA 1991–2020
Gigabit broadband
74%
ISP-reported, FCC BDC
Explore El Cajon, CA demographics, including age, race and ethnicity, households, origins, language, and education.
How many people live in El Cajon?
101,755 people live in El Cajon as of July 1, 2025 (U.S. Census Bureau Population Estimates Program, Vintage 2025), the #332 largest U.S. city.
How big is El Cajon?
El Cajon covers 14.5 square miles of land and 0.0 square miles of water. Its population density is about 7,013 residents per square mile of land. Compare U.S. cities by land area →
Source detail: 2025 population
2025 population
Source agency
U.S. Census Bureau, Population Division
Dataset
Census PEP
Vintage / period
Vintage 2025 (Jul 1, 2025)
Native geography
Census PEP subcounty place records for the included city universe.
Transformation
Copied from POPESTIMATE2025, joined by Census GEOID, and used for ranks, filters, and city pages.
Known limit: Annual estimate, not a decennial count; each new PEP vintage can revise the prior series.
Population shrank 4.2% from the April 2020 base to mid-2025.
Vintage 2025 · annual estimates
Recent history (V2025 series, 2020 base → 2025).
2020 base: 106,180 → 2025: 101,755 (-4.2%)
Year
Population
Reference date
2020 base
106,180
April 1, 2020
2020
106,069
July 1, 2020
2021
105,098
July 1, 2021
2022
104,073
July 1, 2022
2023
103,371
July 1, 2023
2024
102,841
July 1, 2024
2025
101,755
July 1, 2025
Earlier history (2010–2019, prior Census vintage)
These figures come from the U.S. Census Bureau’s Vintage 2019 release — a separate, earlier methodology. They’re shown here as historical context only; the 2010 and 2019 values aren’t directly comparable to the 2020–2025 series above.
Population grew 2.9% from the July 2010 estimate to 2019 (V2019 — see seam note below).
El Cajon is the #332 largest of 19,483 U.S. cities and #74 in California.
▸Show the analyst detail (9 rows)
Measure
Value
Note
2020 base
106,180
April 1, 2020 census base
5-yr change
-4,425
2020 base → 2025; within V2025
5-yr change %
-4.2%
within V2025 only
1-yr change
-1,086
2024 → 2025 estimate
1-yr change %
-1.1%
within V2025 only
Density
7,013
people per sq mi, land only
Land area
14.5
sq mi (2025 Gazetteer)
U.S. rank by population
#332
of 19,483 cities
State rank by population
#74
of 483 in California
What is the median household income in El Cajon?
Median household income is 13% below the U.S. median ($67,511 vs $77,719); 20.5% live in poverty — 8.0 points above the 12.5% U.S. rate.
Median household income$67,511
US
El Cajon: $67,511 — 13% below the US median of $77,719.
Scale: 10th–90th percentile of cities with ACS income data
El Cajon
$67,511
United States
$77,719
Income and poverty estimates for El Cajon from the U.S. Census Bureau's American Community Survey (ACS) 5-Year estimates (window 2020–2024). Every figure is shown with its 90% margin of error (MOE). Cells where the ± margin exceeds half the estimate are flagged "low precision." See methodology §12.
Measure
Estimate
± margin / note
Median household income
67,511-13.1% vs US
±4,257
Per capita income
31,254-27.8% vs US
±1,345
Population in poverty
20.5%
share of population for whom poverty status is determined
Median home value is 125% above the U.S. median ($681,700 vs $303,400); median rent is 38% above ($1,856 vs $1,348); price-to-income ratio is 10.1×, making it 2.6× as cost-burdened as the typical U.S. city (3.9×).
Median home value$681,700
US
El Cajon: $681,700 — 125% above the US median of $303,400.
Scale: 10th–90th percentile of cities with ACS home-value data
HUD 2-BR fair-market rent$3,001/mo
US
El Cajon: $3,001/mo — 179% above the US median of $1,077/mo.
Scale: 10th–90th percentile of cities with a HUD Fair Market Rent
Poverty (Census SAIPE 2024, model-based), unemployment (BLS LAUS 2024 annual averages), and remote-work share (ACS 2020–2024) for El Cajon. Numbers are labeled at their native grain — place-grain when BLS publishes it, otherwise per-county. We do not compute population-weighted county averages. See methodology §13.
Measure
Value
Grain
Unemployment rate (annual avg)
4.7%
El Cajon (BLS sub-state LAUS)
Civilian labor force
46,840
2024 annual avg
Worked from home
11.4%-18.6% vs US
share of workers 16+ commuting from home · U.S. median: 14% · ACS
County context — El Cajon sits in San Diego County:
County
Poverty rate
Median HH income
Unemployment
San Diego County
10.1%
$108,754
4.3%
Top industries by private employment — NAICS supersectors rolled up from El Cajon's linked county in the U.S. Bureau of Labor Statistics' Quarterly Census of Employment and Wages (QCEW, 2024 annual averages). See methodology §11.
#
Industry (NAICS supersector)
Private employment
Avg weekly wage
#1
Health care and social assistance (62)
222,467
$1,286 / wk
#2
Accommodation and food services (72)
170,776
$691 / wk
#3
Professional and technical services (54)
148,122
$2,934 / wk
#4
Retail trade (44-45)
136,918
$877 / wk
#5
Manufacturing (31-33)
111,940
$2,277 / wk
What workers earn in the San Diego-Chula Vista-Carlsbad, CA metro — top occupations by employment plus six curated benchmarks (registered nurse, software developer, elementary teacher, general manager, retail salesperson, truck driver). Wages are metro-area medians from the U.S. Bureau of Labor Statistics' Occupational Employment and Wage Statistics (May 2025). See methodology §25.
Home Health and Personal Care Aides is the largest tracked occupation in the San Diego-Chula Vista-Carlsbad, CA metro (57,080 jobs, median $35,300/yr).
▸Show all 13 occupations
Occupation
Employment
Median annual
Median hourly
Home Health and Personal Care Aides
57,080
$35,300
$16.97
Fast Food and Counter Workers
42,550
$42,190
$20.28
Cashiers
30,420
$37,020
$17.80
Office Clerks, General
28,470
$49,920
$24.00
Waiters and Waitresses
24,050
$35,850
$17.23
Laborers and Freight, Stock, and Material Movers, Hand
21,950
$43,320
$20.83
Janitors and Cleaners, Except Maids and Housekeeping Cleaners
21,700
$38,450
$18.49
Retail Salespersons · benchmark
34,390
$37,810
$18.18
Registered Nurses · benchmark
28,680
$139,520
$67.08
General and Operations Managers · benchmark
26,230
$119,600
$57.50
Software Developers · benchmark
20,610
$163,270
$78.49
Elementary School Teachers, Except Special Education · benchmark
11,340
$97,000
—
Heavy and Tractor-Trailer Truck Drivers · benchmark
All items run 11.9% above the U.S. average (RPP 111.9); rents run 79.3% above (RPP 179.3) — the metro's housing premium is the main driver.
Cost of living (RPP, all items)RPP 111.9
US
El Cajon's cost of living runs 11.9% above the U.S. average (RPP 111.9 vs 100).
Scale: 10th–90th percentile of metro/non-metro areas with a BEA price parity
BEA Regional Price Parity (all items)
RPP 111.9
+11.9% vs U.S. average · BEA 2024 · San Diego-Chula Vista-Carlsbad, CA metro
HUD Fair Market Rent, 2-BR
$3,001/mo
FY2026 · San Diego-Chula Vista-Carlsbad, CA MSA
State income tax (top marginal rate)
12.30%
9 brackets · TY2025
Family-of-four monthly budget total
$12,222/mo
3BR rent + food + childcare + taxes + transport · federal sources
Single-adult monthly budget total
$6,234/mo
1BR rent + food + taxes + transport · federal sources
Local income tax
—
not applicable in California · no modeled local income tax
Household budget figures are arithmetic floors using current federal sources at the grains documented in methodology. Not a recommended salary, not a poverty threshold, not a composite score.
29.3% foreign-born (U.S. median 14%); Spanish is the most-spoken language at home other than English (19.6% of residents 5+).
A quick read on El Cajon's residents — nativity and languages spoken at home shown above, from the ACS 5-Year 2020–2024. The full demographic breakdown (age, race and ethnicity, household types, and educational attainment, each with its margin of error) lives on the demographics page.
These are K-12 public school districts. Higher education (colleges and universities) is not represented in this dataset.
Public school districts serving El Cajon, from the NCES EDGE Geographic Relationship Files (GRF25, 2024–25 school year boundaries). The join is many-to-many — large cities often span multiple districts, and one district often serves multiple cities. Sorted primary district first. See methodology §12 for the consolidated-city fallback and Milford CT special case.
Source: NCES EDGE GRF25 · school year 2024–25 · methodology →
What is the climate like in El Cajon?
Hottest month: August (88°F avg high). Coldest: December (42°F avg low). Annual precipitation: 11.4 in.
30-year climate normals (1991-2020) for El Cajon from the U.S. National Oceanic and Atmospheric Administration. See methodology §15 for the gridded vs. station source path.
Average monthly highs & lows · 30-year normal (NOAA 1991–2020). Every number on this chart is an average.
bar = avg daily high → avg daily lowprecip in inches below each barprecip in millimeters below each bar
Composite risk score: 99.7/100 — Very High nationally; top hazard: Wildfire (100.0).
Natural-hazard exposure for El Cajon from the U.S. Federal Emergency Management Agency's National Risk Index (FEMA NRI December 2025 v1.20.0). NRI is an expected-annual-loss composite calibrated on 1996–2019 historical losses, published at the U.S. county grain. See methodology §17.
County
NRI composite
Rating
Top hazards
San Diego County
99.7
Very High
Wildfire 100.0 Very High · Riverine Flooding 99.7 Very High · Earthquake 99.7 Relatively High
Source: FEMA National Risk Index · FEMA NRI December 2025 v1.20.0 · methodology →
How fast is home internet in El Cajon?
12 non-satellite ISPs serve the area; 74% of locations have gigabit-capable service per ISP filings.
Fixed broadband availability for El Cajon from the U.S. Federal Communications Commission's Broadband Data Collection (BDC), as of June 30, 2025. Every speed and provider count below is an ISP-reported advertised maximum — not measured throughput. Actual delivered speeds typically run 60–80% of advertised. See methodology §16.
Measure
Value
Note
Providers serving this city
12 + satellite
distinct ISPs, excluding satellite-only
Fiber providers
6
offer fiber-to-the-premises somewhere in the BDC
Units with ≥100/20 Mbps fixed
100.0%
share of broadband-serviceable units, ISP-reported max
Locations with ≥100 Mbps upload
73.7%
derived: max(fiber ≥100/20, gigabit). Fiber is symmetric; gigabit is ≥100 up by definition
Units with ≥1 Gbps fixed
73.7%
share of broadband-serviceable units, ISP-reported max
Total broadband-serviceable units
39,683
residential locations in the FCC Fabric (not households)
Source: FCC BDC · as of June 30, 2025 · methodology →
In-state context.
El Cajon sits at state rank #74 among 483 cities in California. Nearby in the state ranking:
Just above in the profiled set: New Bedford, MA · #331 · 101,834 residents.
Just below in the profiled set: Albany, NY · #333 · 101,698 residents.
Quick travel facts for El Cajon
Quick travel facts.
Nearest commercial airport
San Diego International Airport(SAN) · 14 mi 23 km from city centroid
Best months to visit
May · months when the avg high sits in 65–80°F and precipitation is at or below the city's median monthly precip
Sources: elevation from USGS Elevation Point Query Service (3DEP) · nearest airport from OurAirports CSV (FAA-aligned, type=large/medium, scheduled_service=yes) · best months derived from NOAA 1991-2020 normals · methodology →
Frequently asked questions about El Cajon.
How many people live in El Cajon, CA?
El Cajon has 101,755 residents as of July 1, 2025, making it the #332 largest city in the United States and #74 in California. Source: U.S. Census Bureau Population Estimates Program, Vintage 2025.
Is El Cajon growing or shrinking?
El Cajon has shrunk 4.2% since the April 2020 census baseline, losing 4,425 residents, including a 1.1% decline from 2024 to 2025. Source: Census PEP Vintage 2025.
What was El Cajon's population in the 2020 census?
El Cajon covers 14.5 square miles of land, with a population density of about 7,013 residents per square mile. Source: Census Gazetteer 2025.
What is the median household income in El Cajon?
$67,511, about 13% below the U.S. median. Source: ACS 5-year estimates, 2020–2024.
SourceU.S. Census · PEP
VintageV2025
Reference2025-07-01
Place typeIncorporated place
GEOID0621712
Last build2026-08-27
Sources · provenance
Every listed dataset is used on this page.
The GEOID for El Cajon is 0621712. These are the official datasets used by this profile's main data modules; click "methodology" for inclusion rules and the V2019 ↔ V2025 seam, or "source" for the raw publisher page. The headline population value above includes a source-detail disclosure with publisher, dataset, vintage, native geography, transformation, and caveat.
