Adelaide vs Denver
Cost of living comparison for expats and families · 2026
🇦🇺 Australia
Adelaide
$2,045/mo solo
🇺🇸 United States
Denver
$2,828/mo solo
How we calculate tax rates: Estimated effective rates assume a $200K/yr retiree drawdown, single filer, all long-term capital gains. US figures include federal LTCG + NIIT + state tax (so Boston shows MA, Miami shows FL, etc.). Your real rate depends on income mix and filing status — run the tax calculator for your numbers.
Adelaide
vs
Denver
Cost of Living
$1,350
Housing (1BR)
$2,000
$375/mo
Food
$450/mo
$120/mo
Utilities
$162/mo
$50/mo
Transport
$88/mo
$150/mo
Healthcare
$128/mo
$2,045/mo
Total
$2,828/mo
Taxes (International Investors)
effective at $200K/yr · single
23.5%
Capital Gains
14.5%
15.0%
Dividends
14.5%
23.5%
Crypto
14.5%
None
Wealth Tax
None
Quality of Life
67/100
Safety
52/100
85 Mbps
Internet
250 Mbps
Visa
360 days
Tourist Visa
180 days
Yes
DN Visa
Yes
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Cost of Living
Adelaide is the more affordable option at $2,045/month for a single person, compared to $2,828/month in Denver — a savings of $783/month, or roughly 28%. Rent for a 1-bedroom apartment in Adelaide averages $1,350/month vs $2,000/month in Denver. For couples needing a 2-bedroom, expect $1,900 in Adelaide and $3,150 in Denver. Families with kids typically see costs scale by 2–2.5× vs single-person baseline.
Tax for Investors
Australia's tax system is worldwide (all income taxed regardless of source). At a $200K/yr retiree drawdown, Australia works out to roughly 23.5% effective on long-term gains. United States is worldwide (all income taxed regardless of source); Denver works out to 14.5% (federal + NIIT + CO tax). For FIRE retirees living off portfolio income, territorial systems typically produce the cleanest outcome — see our territorial tax countries guide for the full list.
Climate & Lifestyle
Adelaide has a mild temperate (avg 17°C) climate; Denver is cool temperate (avg 10°C). Adelaide is meaningfully warmer year-round (7°C difference on annual average). Adelaide scores higher on safety (67/100) vs 52/100 for the other city. Denver has faster internet at 250 Mbps vs 85 Mbps. Adelaide has a medium established expat community. Denver has a medium established expat community.
Visa & Residency
For Adelaide: digital-nomad visa available. For Denver: digital-nomad visa available; investor visa ($0K minimum). Full visa pathways, income thresholds, and residency timelines are covered in the Retire in Australia and Retire in United States guides.
FIRE Number
At the standard 4% safe withdrawal rate, the portfolio needed to retire in Adelaide is $613,500; Denver needs $848,400. Geographic arbitrage is the single biggest lever in FIRE planning — relocating between these two cities changes your required portfolio by $234,900. Run your own scenarios in the "What your portfolio buys" section below.
What your portfolio buys in each city
At the 4% safe withdrawal rate, see exactly what Adelaide vs Denver costs at common FIRE milestones. Real math, honest verdicts — no marketing spin.
Go deeper
City guide
Living in Adelaide
Full cost breakdown, climate, safety, visa, and lifestyle data
City guide
Living in Denver
Full cost breakdown, climate, safety, visa, and lifestyle data
Tax guide
Retire in Australia
Income tax, capital gains, special regimes, and visa pathways
Tax guide
Retire in United States
Income tax, capital gains, special regimes, and visa pathways
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