Quick answer
San Antonio costs $615/month less overall ($1,695 vs $2,310/mo). San Antonio also has lower state income tax (None vs 6.4%), widening the advantage for higher earners.
City Comparison · 2026
Charleston vs San Antonio
Side-by-side on rent, home prices, taxes, walkability, jobs, and climate — with a straight verdict for each type of mover.
Last updated: April 23, 2026
Charleston vs San Antonio at a Glance
| Metric | Charleston | San Antonio |
|---|---|---|
| 1BR Monthly Rent | $1,750 | $1,480 ✓ |
| 2BR Monthly Rent | $2,250 | $1,480 ✓ |
| Median Home Price | $510K | $285K ✓ |
| Avg Utilities/mo | $165 ✓ | $175 |
| Avg Groceries/mo | $395 | $340 ✓ |
| Monthly Cost (1BR) | $2,310 | $1,695 ✓ |
| Walk Score | 45/100 ✓ | 36/100 |
| Transit Score | 25/100 | 28/100 ✓ |
| State Income Tax | 6.4% | None ✓ |
Monthly cost = 1BR rent + utilities + groceries for one person. ✓ marks the lower/better value.
Cost of Living: What the Numbers Actually Mean
Rent gap: San Antonio's 1BR averages $1,180/month vs $1,750 in Charleston — a $570/month difference, or $6,840/year. That's a meaningful gap worth factoring into your decision.
State tax: San Antonio charges None state income tax vs 6.4% in Charleston. On an $80K salary that's a $5,120/year difference. On $120K, the gap grows to $7,680 vs $0 — important context if you're choosing between tech job offers.
Home buying: Median homes in San Antonio are $285K vs $510K in Charleston. At a 20% down payment, that's a $45,000 difference in upfront cash — significant at early-career savings rates.
Utilities: San Antonio utilities run $10 more per month than Charleston.
Walkability, Transit & Daily Life
Charleston, SC
Charleston is partially walkable in denser neighborhoods but car-dependent in most areas.
TOP NEIGHBORHOODS
San Antonio, TX
Car ownership is effectively mandatory in San Antonio. Budget $400–600/month for a car if you don't own one.
TOP NEIGHBORHOODS
Climate
Charleston
Hot, humid summers (88–92°F); mild winters (50–65°F); spring and fall are perfect; November–March is dry; hurricane season (August–October) brings flooding and storm surge risk, especially Downtown and West Ashley
San Antonio
Hot and humid summers (similar to Houston, slightly less rain), mild winters, occasional ice storms
Job Market
Charleston top industries
San Antonio top industries
Who Should Pick Which City
Move to Charleston if…
- →You're a aerospace engineers
- →You're a people who love Southern culture and history
- →You're a outdoor enthusiasts
- →You're a families seeking affordability + walkability
Move to San Antonio if…
- →You're a military families
- →You're a healthcare workers
- →You're a remote workers
- →You're a retirees
- →You want zero state income tax
- →You're buying a home and want more for your money
Frequently Asked Questions
Is Charleston or San Antonio cheaper to live in?
San Antonio is cheaper overall. Monthly costs (1BR rent + utilities + groceries) run $1,695 in San Antonio vs $2,310 in Charleston — a $615/month difference.
Which city is more walkable — Charleston or San Antonio?
Charleston is more walkable with a Walk Score of 45/100 vs 36/100. San Antonio is more car-dependent.
Charleston vs San Antonio: which has lower state income tax?
San Antonio has lower state income tax (None). On an $80K salary, that saves $5,120/year vs Charleston (6.4%).
Is Charleston or San Antonio better for buying a home?
San Antonio has lower median home prices at $285K vs $510K in Charleston — a $225,000 difference on the median home.