Head-to-Head · City Comparison
Mount Pleasant, SC
VS
San Tan Valley, AZ
🏆 Mount Pleasant leads 12 of 23 categories
Mount Pleasant
South Carolina
12
wins
Cost of Living Index
105.9⚠ High
Median Household Income
$115,167 ✓ Higher
Violent Crime Index
34 ✓ Safer
Population
90,945
San Tan Valley
Arizona
11
wins
Cost of Living Index
100.0 ✓ Cheaper
Median Household Income
$88,466
Violent Crime Index
62
Population
101,207 ✓ Larger
Pros & Cons
Auto-generated from official data — head-to-head differences and gaps vs the national average.
Mount Pleasant, SC
Pros
46% less violent crime than San Tan Valley
More college-educated — 65.4% hold a bachelor's or higher
Households earn $26,701 more per year on average
Violent crime is well below the national average (128.4 vs 380/100k)
Commutes run 11 min shorter each way
Stronger job market — unemployment is 1.3 pts lower (3.2%)
Cons
Pricier housing — median home is $608,600
Higher rents — median is $1,901/mo
Cost of living runs 6% higher than San Tan Valley
San Tan Valley, AZ
Pros
Homes cost $305k less ($304,000 vs $608,600)
Violent crime is well below the national average (235.7 vs 380/100k)
Rent averages $172/mo less ($1,729 vs $1,901)
Milder winters — January highs near 66°F vs 59°F
6% cheaper overall cost of living than Mount Pleasant
Cons
Median income trails Mount Pleasant by $26,701/yr
Higher unemployment (4.5% vs 3.2%)
Longer commutes — 36.2 min average each way
Hot summers — July highs average 104°F
Key Differences at a Glance
Mount Pleasant
Median Income
$26,701
$115,167 vs $88,466/yr
Mount Pleasant
Violent Crime
46% lower
128.4 vs 235.7 per 100k
Mount Pleasant
Unemployment
1.3 pp lower
3.2% vs 4.5% unemployment
San Tan Valley
Cost of Living
6% cheaper
COL index 100.0 vs 105.9 (100 = US avg)
San Tan Valley
Median Home Value
$305k less
$304,000 vs $608,600
San Tan Valley
Summer Heat
13.1°F warmer
July avg high 104.2°F vs 91.1°F
Full Data Comparison
| Metric | Mount Pleasant, SC | San Tan Valley, AZ |
|---|---|---|
| 💰 Cost of Living | ||
| Cost of Living Index National avg = 100 · lower = cheaper | 105.9⚠ High | 100.0 ✓ Cheaper |
| Median Home Value | $608,600⚠ High | $304,000 ✓ Lower |
| Median Monthly Rent | $1,901⚠ High | $1,729⚠ High ✓ Lower |
| 📈 Income & Economy | ||
| Median Household Income | $115,167 ✓ Higher | $88,466 |
| Unemployment Rate | 3.2% ✓ Lower | 4.5%⚠ High |
| Avg Commute Minutes each way | 25.2 min ✓ Shorter | 36.2 min⚠ High |
| Work From Home % | 19.7% ✓ Higher | 13.5% |
| 🔒 Safety | ||
| Crime Index 100 = national avg · lower = safer · 60% violent / 40% property | 43 ✓ Safer | 56 |
| Violent Crime Index 100 = national avg · lower = safer | 34 ✓ Safer | 62 |
| Property Crime Index 100 = national avg · lower = safer | 56 | 46 ✓ Safer |
| 🎓 Education | ||
| School Quality 100 = national avg · grad rate, staffing & attainment | A (121) ✓ Better | C+ (83) |
| Student-Teacher Ratio Lower = smaller classes | 13.0:1 ✓ Smaller | 19.9:1 |
| Bachelor's Degree or Higher | 65.4% ✓ Higher | 22.0% |
| High School or Higher | 97.7% ✓ Higher | 92.3% |
| School District Name only — no quality rating available | Charleston 01 | J O Combs Unified School District (4445) |
| 🌤 Weather | ||
| Avg High — January | 59.2°F | 65.6°F ✓ Warmer |
| Avg High — July | 91.1°F | 104.2°F ✓ Warmer |
| Annual Precipitation | 54.3" | 8.6" ✓ Drier |
| Annual Snowfall | 0.3" | 0.0" ✓ Less |
| 👥 Demographics | ||
| Population | 90,945 | 101,207 ✓ Larger |
| Median Age | 42.4 ✓ Older | 34.7 |
| Homeownership Rate | 72.5% | 80.4% ✓ Higher |
| Under 18 | 22.5% | 28.3% ✓ More |
| Over 65 | 17.5% ✓ More | 11.7% |
Frequently Asked Questions
Mount Pleasant's cost of living index is 105.9 vs San Tan Valley's 100.0 (US average = 100).
San Tan Valley is 6% less expensive overall.
Based on the 23 decided categories above, Mount Pleasant leads 12 of 23 categories. Mount Pleasant wins 12 and San Tan Valley wins 11. 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 Mount Pleasant to San Tan Valley or relocating the other way, focus on the biggest gaps: housing ($608,600 vs $304,000 median home), income ($115,167 vs $88,466), safety, and schools — all covered in the full table above.
Mount Pleasant, SC and San Tan Valley, AZ are about 1,830 miles apart (straight-line distance). Driving distance will be longer depending on the route.