Quick answer
San Antonio costs $20/month less overall ($1,695 vs $1,715/mo). Both cities have None state income tax, so the rent gap is the real difference.
City Comparison · 2026
Knoxville 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
Knoxville vs San Antonio at a Glance
| Metric | Knoxville | San Antonio |
|---|---|---|
| 1BR Monthly Rent | $1,200 | $1,480 ✓ |
| 2BR Monthly Rent | $1,450 ✓ | $1,480 |
| Median Home Price | $280K ✓ | $285K |
| Avg Utilities/mo | $150 ✓ | $175 |
| Avg Groceries/mo | $365 | $340 ✓ |
| Monthly Cost (1BR) | $1,715 | $1,695 ✓ |
| Walk Score | 34/100 | 36/100 ✓ |
| Transit Score | 22/100 | 28/100 ✓ |
| State Income Tax | None ✓ | 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 $1,200 in Knoxville — a $20/month difference, or $240/year. That's close enough that neighborhood choice within each city matters more than the city-level average.
State tax: Both cities carry the same state income tax rate (None), so this isn't a differentiator.
Home buying: Median homes in Knoxville are $280K vs $285K in San Antonio. At a 20% down payment, that's a $1,000 difference in upfront cash — significant at early-career savings rates.
Utilities: San Antonio utilities run $25 more per month than Knoxville.
Walkability, Transit & Daily Life
Knoxville, TN
Car ownership is effectively mandatory in Knoxville. Budget $400–600/month for a car if you don't own one.
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
Knoxville
Humid subtropical; winters average 40°F, summers 85-88°F; 200+ sunny days/year
San Antonio
Hot and humid summers (similar to Houston, slightly less rain), mild winters, occasional ice storms
Job Market
Knoxville top industries
San Antonio top industries
Who Should Pick Which City
Move to Knoxville if…
- →You're a Graduate students and academics (UT, Oak Ridge employment)
- →You're a Research scientists and engineers
- →You're a Remote workers seeking extreme affordability
- →You're a Outdoor enthusiasts with proximity to Smoky Mountains
- →You want zero state income tax
- →You're buying a home and want more for your money
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
Frequently Asked Questions
Is Knoxville 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 $1,715 in Knoxville — a $20/month difference.
Which city is more walkable — Knoxville or San Antonio?
San Antonio is more walkable with a Walk Score of 36/100 vs 34/100. Knoxville is more car-dependent.
Knoxville vs San Antonio: which has lower state income tax?
Both Knoxville and San Antonio have the same state income tax rate (None).
Is Knoxville or San Antonio better for buying a home?
Knoxville has lower median home prices at $280K vs $285K in San Antonio — a $5,000 difference on the median home.