Sofia wins overall by ~83% (COL index)
Cost of living: Rapid City vs Sofia (2026)
A $75,000 salary in Rapid City buys roughly what $40,909 does in Sofia (COL-adjusted). Your real trade-offs are taxes, rent, and day-to-day prices — we break them down and personalize below.
Your move simulator
Slide to match your household — estimates combine take-home, rent, and groceries.
Estimated annual swing
−$228/yr
Favoring Sofia for this income & household (illustrative).
With an extra $19/mo in Sofia, you could max a Roth IRA contribution faster and still increase your fun budget.
Studio rent/mo
1BR rent/mo
2BR rent/mo
Median home price
Groceries index (100 = US avg)
Budget meal (1 person)
Mid-range dinner (2)
Monthly transit pass/mo
Gas price/gal
Car insurance/mo
Monthly utilities bundle/mo
Internet/mo
Median household income/yr
State income tax%
Sales tax (combined)%
Movie ticket
Gym membership/mo
Beer at restaurant
Overall COL index (100 = US avg)
Walk score / 100
| Category | Rapid City South Dakota | Sofia Sofia City Province | Who wins | Your impact at $75K |
|---|---|---|---|---|
| 🏠 HousingQ1 2026 | ||||
| Studio rent/mo | $950 | $380Wins | Sofia wins −$570/mo | $6,840/yr saves in Sofia |
| 1BR rent/mo | $1,200 | $540Wins | Sofia wins −$660/mo | $7,920/yr saves in Sofia |
| 2BR rent/mo | $1,600 | $820Wins | Sofia wins −$780/mo | $9,360/yr saves in Sofia |
| Median home price | $285K | — | — | — |
| 🛒 Food & GroceriesQ1 2026 | ||||
| Groceries index (100 = US avg) | 96 | — | — | — |
| Budget meal (1 person) | $12 | $7Wins | Sofia wins −$5/mo | — |
| Mid-range dinner (2) | $52 | $16Wins | Sofia wins −$36/mo | $432/yr saves in Sofia |
| 🚌 TransportationQ1 2026 | ||||
| Monthly transit pass/mo | $40 | — | — | — |
| Gas price/gal | $3.10 | — | — | — |
| Car insurance/mo | $138 | — | — | — |
| ⚡ UtilitiesQ1 2026 | ||||
| Monthly utilities bundle/mo | $148 | $75Wins | Sofia wins −$73/mo | $876/yr saves in Sofia |
| Internet/mo | $65 | $20Wins | Sofia wins −$45/mo | $540/yr saves in Sofia |
| 💰 Income & TaxesQ1 2026 | ||||
| Median household income/yr | $58K | — | — | — |
| State income tax% | 0.0%Wins | 10.0% | Rapid wins +10.0 pp | $7,500/yr saves in Rapid |
| Sales tax (combined)% | 6.4%Wins | 20.0% | Rapid wins +13.6 pp | — |
| 🎬 LeisureQ1 2026 | ||||
| Movie ticket | $13.00 | — | — | — |
| Gym membership/mo | $33 | $25Wins | Sofia wins −$8/mo | — |
| Beer at restaurant | $5.50 | — | — | — |
| 📊 OverviewQ1 2026 | ||||
| Overall COL index (100 = US avg) | 88 | 48Wins | Sofia wins -40 | — |
| Walk score / 100 | 22 | 68Wins | Sofia wins +46 more/yr | — |
While you're comparing — don't leave money on the table.
Tax-smart rewards
Turn ~$7,500/yr tax differences into cash back
Sofia fits your move math — cash-back cards stack on groceries, gas, and dining you're already doing.
Home + auto bundle
New state — new insurance rates
Bundling often saves hundreds/yr. Compare before you sign a lease in Sofia.
High-yield savings
Park ~$7,920/yr rent savings at 4–5%+ APY
Don't let relocation cash sit at 0% — put it to work until closing day.
More ways to compare this move
Ready to move?
Open the full interactive tool to add up to 5 cities, drop in your salary, and see rent burden.
Open full interactive toolWhile you're comparing — don't leave money on the table.
If cash is tight
Knock down high-interest debt first
A move has upfront costs — a balance transfer or personal loan can lower APR while you settle in.
If you're saving big
Invest the surplus on autopilot
Brokerages and robo-advisors help you dollar-cost average into the market with your new slack.
Frequently asked questions
Is Rapid City cheaper than Sofia?
No. Sofia is 83% cheaper than Rapid City based on overall cost of living indices (48 vs 88, where 100 = US average).
What is the average rent in Rapid City vs Sofia?
As of Q1 2026, the median 1-bedroom rent in Rapid City is $1,200/month and in Sofia is $540/month. Rapid City is more expensive by 122%.
How much do I need to earn in Sofia to match a $75,000 salary in Rapid City?
To maintain a similar lifestyle, you would need approximately $40,909/year in Sofia to match a $75,000 salary in Rapid City. This estimate is based on overall cost of living indices and does not account for individual spending patterns.
Which city has lower taxes — Rapid City or Sofia?
Rapid City has the lower state income tax rate at 0% vs 10%. Rapid City has no state income tax at all, which can save thousands of dollars per year depending on your income. Note that sales tax and local taxes also vary — see the full breakdown in the table above.
Is it worth moving from Rapid City to Sofia?
It depends on your priorities. Sofia offers lower overall costs and tax advantages, but both cities have different job markets, weather, and lifestyle trade-offs. Use the comparison table above to evaluate rent, groceries, transportation, and income potential side by side based on your specific budget.
Data sourced from Zillow, BLS, Numbeo, Tax Foundation, and US Census ACS · Updated Q1 2026 · For general guidance only
More move scenarios
Planning a move?
Salary equivalent: Rapid City ↔ Sofia
How much would you need to earn in Sofia to match your Rapid City purchasing power?