Head-to-Head · City Comparison
El Cajon, CA
VS
San Marcos, CA
🏆 San Marcos leads 14 of 21 categories
El Cajon
California
7
wins
Cost of Living Index
111.5⚠ High
Median Household Income
$64,128
Violent Crime Index
114⚠ High
Population
105,721 ✓ Larger
San Marcos
California
14
wins
Cost of Living Index
111.5⚠ High
Median Household Income
$99,413 ✓ Higher
Violent Crime Index
59 ✓ Safer
Population
94,360
Pros & Cons
Auto-generated from official data — head-to-head differences and gaps vs the national average.
El Cajon, CA
Pros
Homes cost $135k less ($593,500 vs $728,800)
Rent averages $378/mo less ($1,686 vs $2,064)
Cons
Median income trails San Marcos by $35,285/yr
Living costs are well above the U.S. average (index 111.5)
Higher unemployment (8.1% vs 4.2%)
San Marcos, CA
Pros
Households earn $35,285 more per year on average
49% less violent crime than El Cajon
Stronger job market — unemployment is 3.9 pts lower (4.2%)
Violent crime is well below the national average (222.4 vs 380/100k)
More college-educated — 41.5% hold a bachelor's or higher
Cons
Pricier housing — median home is $728,800
Higher rents — median is $2,064/mo
Living costs are well above the U.S. average (index 111.5)
Key Differences at a Glance
El Cajon
Median Home Value
$135k less
$593,500 vs $728,800
Both cities
Cost of Living
≈ Equal
Both near 111.5 on the COL index
San Marcos
Median Income
$35,285
$99,413 vs $64,128/yr
San Marcos
Violent Crime
49% lower
222.4 vs 434.4 per 100k
San Marcos
Unemployment
3.9 pp lower
4.2% vs 8.1% unemployment
Full Data Comparison
| Metric | El Cajon, CA | San Marcos, CA |
|---|---|---|
| 💰 Cost of Living | ||
| Cost of Living Index National avg = 100 · lower = cheaper | 111.5⚠ High | 111.5⚠ High |
| Median Home Value | $593,500⚠ High ✓ Lower | $728,800⚠ High |
| Median Monthly Rent | $1,686⚠ High ✓ Lower | $2,064⚠ High |
| 📈 Income & Economy | ||
| Median Household Income | $64,128 | $99,413 ✓ Higher |
| Unemployment Rate | 8.1%⚠ High | 4.2%⚠ High ✓ Lower |
| Avg Commute Minutes each way | 25.4 min ✓ Shorter | 26.7 min |
| Work From Home % | 8.8% | 16.2% ✓ Higher |
| 🔒 Safety | ||
| Crime Index 100 = national avg · lower = safer · 60% violent / 40% property | 97 | 48 ✓ Safer |
| Violent Crime Index 100 = national avg · lower = safer | 114⚠ High | 59 ✓ Safer |
| Property Crime Index 100 = national avg · lower = safer | 71 | 31 ✓ Safer |
| 🎓 Education | ||
| School Quality 100 = national avg · grad rate, staffing & attainment | C- (66) | B (100) ✓ Better |
| Student-Teacher Ratio Lower = smaller classes | 23.8:1 | 23.5:1 ✓ Smaller |
| Bachelor's Degree or Higher | 23.0% | 41.5% ✓ Higher |
| High School or Higher | 84.8% | 87.8% ✓ Higher |
| School District Name only — no quality rating available | Cajon Valley Union | San Marcos Unified |
| 🌤 Weather | ||
| Avg High — January | 69.3°F ✓ Warmer | 68.8°F |
| Avg High — July | 86.1°F | 87.2°F ✓ Warmer |
| Annual Precipitation | 13.5" ✓ Drier | 13.9" |
| Annual Snowfall | 0.0" | 0.0" |
| 👥 Demographics | ||
| Population | 105,721 ✓ Larger | 94,360 |
| Median Age | 35.6 | 35.9 ✓ Older |
| Homeownership Rate | 41.7% | 61.9% ✓ Higher |
| Under 18 | 24.6% | 25.8% ✓ More |
| Over 65 | 13.5% ✓ More | 13.0% |
Frequently Asked Questions
El Cajon's cost of living index is 111.5 vs San Marcos's 111.5 (US average = 100).
Both have a similar overall cost of living.
Based on the 21 decided categories above, San Marcos leads 14 of 21 categories. El Cajon wins 7 and San Marcos wins 14. The right choice depends on your priorities — use the Pros & Cons and full table above to weigh what matters to you.
Whether you're moving from El Cajon to San Marcos or relocating the other way, focus on the biggest gaps: housing ($593,500 vs $728,800 median home), income ($64,128 vs $99,413), safety, and schools — all covered in the full table above.
El Cajon, CA and San Marcos, CA are about 26 miles apart (straight-line distance). Driving distance will be longer depending on the route.