Quick answer
Knoxville costs $575/month less overall ($1,715 vs $2,290/mo). Both cities have None state income tax, so the rent gap is the real difference.
City Comparison · 2026
Knoxville vs St. Petersburg
Side-by-side on rent, home prices, taxes, walkability, jobs, and climate — with a straight verdict for each type of mover.
Last updated: October 21, 2026
Knoxville vs St. Petersburg at a Glance
| Metric | Knoxville | St. Petersburg |
|---|---|---|
| 1BR Monthly Rent | $1,200 ✓ | $2,100 |
| 2BR Monthly Rent | $1,450 ✓ | $2,100 |
| Median Home Price | $280K ✓ | $420K |
| Avg Utilities/mo | $150 ✓ | $190 |
| Avg Groceries/mo | $365 ✓ | $400 |
| Monthly Cost (1BR) | $1,715 ✓ | $2,290 |
| Walk Score | 34/100 | 55/100 ✓ |
| Transit Score | 22/100 | 38/100 ✓ |
| 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: Knoxville's 1BR averages $1,200/month vs $1,700 in St. Petersburg — a $500/month difference, or $6,000/year. That's a meaningful gap worth factoring into your decision.
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 $420K in St. Petersburg. At a 20% down payment, that's a $28,000 difference in upfront cash — significant at early-career savings rates.
Utilities: St. Petersburg utilities run $40 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
St. Petersburg, FL
St. Petersburg is partially walkable in denser neighborhoods but car-dependent in most areas.
TOP NEIGHBORHOODS
Climate
Knoxville
Humid subtropical; winters average 40°F, summers 85-88°F; 200+ sunny days/year
St. Petersburg
Subtropical; 2-3°F warmer than Tampa year-round; 85-89°F average highs; hurricane season Aug-Oct
Job Market
Knoxville top industries
St. Petersburg 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 St. Petersburg if…
- →You're a Remote workers and digital nomads (walkable downtown, affordable co-working)
- →You're a Arts and culture professionals
- →You're a Younger professionals seeking Florida lifestyle without mega-city costs
- →You're a Healthcare professionals (Johns Hopkins, BayCare hiring)
- →You want zero state income tax
Frequently Asked Questions
Is Knoxville or St. Petersburg cheaper to live in?
Knoxville is cheaper overall. Monthly costs (1BR rent + utilities + groceries) run $1,715 in Knoxville vs $2,290 in St. Petersburg — a $575/month difference.
Which city is more walkable — Knoxville or St. Petersburg?
St. Petersburg is more walkable with a Walk Score of 55/100 vs 34/100. Knoxville is more car-dependent.
Knoxville vs St. Petersburg: which has lower state income tax?
Both Knoxville and St. Petersburg have the same state income tax rate (None).
Is Knoxville or St. Petersburg better for buying a home?
Knoxville has lower median home prices at $280K vs $420K in St. Petersburg — a $140,000 difference on the median home.