Head-to-Head · City Comparison
Fullerton, CA
VS
Naperville, IL
🏆 Naperville leads 19 of 23 categories
Fullerton
California
4
wins
Cost of Living Index
115.5⚠ High
Median Household Income
$99,279
Violent Crime Index
120⚠ High
Population
142,280
Naperville
Illinois
19
wins
Cost of Living Index
102.6⚠ High ✓ Cheaper
Median Household Income
$143,754 ✓ Higher
Violent Crime Index
22 ✓ Safer
Population
149,089 ✓ Larger
Pros & Cons
Auto-generated from official data — head-to-head differences and gaps vs the national average.
Fullerton, CA
Pros
Milder winters — January highs near 69°F vs 33°F
Cons
Pricier housing — median home is $791,000
Median income trails Naperville by $44,475/yr
Violent crime (455.3/100k) is above the U.S. average of 380
Living costs are well above the U.S. average (index 115.5)
Naperville, IL
Pros
82% less violent crime than Fullerton
Homes cost $308k less ($482,600 vs $791,000)
Households earn $44,475 more per year on average
Stronger job market — unemployment is 2.4 pts lower (4.5%)
More college-educated — 70.9% hold a bachelor's or higher
Violent crime is well below the national average (83.7 vs 380/100k)
Cons
Nothing stands out — a close match here.
Key Differences at a Glance
Naperville
Cost of Living
13% cheaper
COL index 102.6 vs 115.5 (100 = US avg)
Naperville
Median Income
$44,475
$143,754 vs $99,279/yr
Naperville
Violent Crime
82% lower
83.7 vs 455.3 per 100k
Naperville
Median Home Value
$308k less
$482,600 vs $791,000
Naperville
Unemployment
2.4 pp lower
4.5% vs 6.9% unemployment
Full Data Comparison
| Metric | Fullerton, CA | Naperville, IL |
|---|---|---|
| 💰 Cost of Living | ||
| Cost of Living Index National avg = 100 · lower = cheaper | 115.5⚠ High | 102.6⚠ High ✓ Cheaper |
| Median Home Value | $791,000⚠ High | $482,600⚠ High ✓ Lower |
| Median Monthly Rent | $1,989⚠ High | $1,787⚠ High ✓ Lower |
| 📈 Income & Economy | ||
| Median Household Income | $99,279 | $143,754 ✓ Higher |
| Unemployment Rate | 6.9%⚠ High | 4.5%⚠ High ✓ Lower |
| Avg Commute Minutes each way | 30.0 min⚠ High ✓ Shorter | 32.2 min⚠ High |
| Work From Home % | 11.3% | 23.5% ✓ Higher |
| 🔒 Safety | ||
| Crime Index 100 = national avg · lower = safer · 60% violent / 40% property | 110⚠ High | 30 ✓ Safer |
| Violent Crime Index 100 = national avg · lower = safer | 120⚠ High | 22 ✓ Safer |
| Property Crime Index 100 = national avg · lower = safer | 96 | 42 ✓ Safer |
| 🎓 Education | ||
| School Quality 100 = national avg · grad rate, staffing & attainment | B- (93) | A+ (135) ✓ Better |
| Student-Teacher Ratio Lower = smaller classes | 25.3:1 | 13.5:1 ✓ Smaller |
| Bachelor's Degree or Higher | 44.0% | 70.9% ✓ Higher |
| High School or Higher | 89.7% | 97.5% ✓ Higher |
| School District Name only — no quality rating available | Fullerton Elementary | Naperville CUSD 203 |
| 🌤 Weather | ||
| Avg High — January | 68.8°F ✓ Warmer | 32.8°F |
| Avg High — July | 84.4°F | 85.5°F ✓ Warmer |
| Annual Precipitation | 11.9" ✓ Drier | 40.3" |
| Annual Snowfall | 0.0" ✓ Less | 24.3" |
| 👥 Demographics | ||
| Population | 142,280 | 149,089 ✓ Larger |
| Median Age | 35.5 | 39.5 ✓ Older |
| Homeownership Rate | 51.6% | 74.4% ✓ Higher |
| Under 18 | 22.4% | 24.8% ✓ More |
| Over 65 | 13.8% | 13.9% ✓ More |
Frequently Asked Questions
Fullerton's cost of living index is 115.5 vs Naperville's 102.6 (US average = 100).
Naperville is 13% less expensive overall.
Based on the 23 decided categories above, Naperville leads 19 of 23 categories. Fullerton wins 4 and Naperville wins 19. 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 Fullerton to Naperville or relocating the other way, focus on the biggest gaps: housing ($791,000 vs $482,600 median home), income ($99,279 vs $143,754), safety, and schools — all covered in the full table above.
Fullerton, CA and Naperville, IL are about 1,703 miles apart (straight-line distance). Driving distance will be longer depending on the route.