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US relocation · 2026

Georgia flagJohns Creek → California flagSan Diego

At $100,000 gross, you’d need about $139,048 in San Diego to match Johns Creek purchasing power — and same-gross take-home shifts by −$1,396/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Johns Creek leads

City COL moves +41 from Johns Creek (105) to San Diego (146). Parent median income delta (Georgia → California): +$19,700. At $100,000 gross: equivalent salary ~$139,048; same-gross take-home −$1,396/year.

Side-by-side city scoreboard

Johns Creek

95

Purchasing power index · 100 = national avg

COL index
105
Parent median income
73,800 USD
Sales tax
~7.56%
Property tax
~0.79%
Income tax
Taxed
$100k take-home
$74,190
Open calculator →

San Diego

68

Purchasing power index · 100 = national avg

COL index
146
Parent median income
93,500 USD
Sales tax
~9.03%
Property tax
~0.7%
Income tax
Taxed
$100k take-home
$72,794
Open calculator →
●Example scenario: $100,000 gross (Single filer, 2026)
Illustrative numbers only—same formulas as the calculator. Take-home rows assume you earn the scenario gross while living in each city (local taxes apply). Below the tables, use “Open calculator — personalize results” to enter your salary, filing status, rent or buy, and more—the full tool uses this same city pair.

Salary & estimated take-home (USD)

Annual gross (scenario)

Johns Creek

$100,000

San Diego

$100,000

Est. annual take-home

Johns Creek

$74,190

San Diego

$72,794

Approx. combined tax + payroll burden

Johns Creek

25.8%

San Diego

27.2%

Take-home difference at same gross

$-1,396 / yr in San Diego vs Johns Creek

Equivalent gross for same lifestyle (COL-adjusted)

San Diego only

$139,048

Change vs scenario gross

San Diego only

+39%

Est. take-home at equivalent gross

San Diego only

$95,780

Burden at equivalent gross

San Diego only

31.1%

Snapshot: how to read this move ($100,000 scenario)

  • Monthly take-home at the same gross. At $100,000/year, estimated take-home is about $6,183/mo in Johns Creek vs $6,066/mo in San Diego—roughly $117/mo less in San Diego before housing ($1,396/yr annualized).

  • Cost of living vs taxes. Our benchmark COL index is 105 for Johns Creek and 146 for San Diego (100 = national average). The destination is about +39% more expensive than the origin for that basket—then state/province and payroll taxes shift take-home further.

  • Equivalent salary to keep the same lifestyle. To match purchasing power after COL, the model suggests about $139,048/yr gross in San Diego (~$11,587/mo), with estimated take-home around $7,982/mo. Versus estimated take-home in Johns Creek at the scenario gross, that is about +29.1% (by design, equivalent gross targets similar real spending power after COL and taxes; exact match varies with rounding).

  • Cash after typical 1BR rent (illustrative). Using average 1-bedroom rent in the housing table, roughly $4,683/mo is left after rent in Johns Creek at the scenario gross vs $3,566/mo in San Diego at the same gross. At the equivalent gross in San Diego, about $5,482/mo after rent. Typical rent differs by about +$1,000/mo between the two cities in our data.

Figures use the same tax and COL engine as the calculator; your household, deductions, and neighborhood can change outcomes. Use the calculator below for your exact salary and housing choice.

Housing snapshot · average rent · 1-bedroom apartment

Typical monthly rent

Johns Creek

$1,500

San Diego

$2,500

Rent as % of scenario gross ($100,000/yr)

Johns Creek

18.0%

San Diego

30.0%

Rent as % of equivalent gross (San Diego)

San Diego only

21.6%

Rent benchmarks are city-level estimates; neighborhoods vary. Mortgage (buy) and other home sizes are available in the full calculator.

Housing: Johns Creek → San Diego

Approximate median monthly rents for the primary metros in Johns Creek and San Diego. Negative delta means housing is cheaper in San Diego. Figures are planning estimates — neighborhoods vary.

1BR rent delta / yr

+$12,000

1BR % of $100k (Johns Creek)

18%

$1,500/mo

1BR % of $100k (San Diego)

30%

$2,500/mo

Property tax (effective)

~0.79% → ~0.7%

Johns Creek → San Diego

At COL-equivalent salary in San Diego, 1BR rent is about 21.6% of gross — vs 30% if you keep $100,000 gross.

Apartment rent (monthly)

SizeJohns CreekSan DiegoDelta / mo
Studio$1,340$1,950+$610
1 bedroom$1,500$2,500+$1,000
2 bedroom$1,800$3,200+$1,400
3 bedroom$2,300$4,200+$1,900

House rent (monthly)

SizeJohns CreekSan DiegoDelta / mo
2 bedroom$1,950$3,200+$1,250
3 bedroom$2,400$4,100+$1,700
4 bedroom$3,000$5,200+$2,200

Buy instead? Est. mortgage (3BR house)

Johns Creek payment

$2,759/mo

San Diego payment

$4,714/mo

Payment delta

+$1,954

Est. purchase price

$518,400 → $885,600

Illustrative P&I only: 20% down, 7% APR, 30-year fixed. Price ≈ annual rent × 18 (price-to-rent). Taxes, insurance, and HOA not included — open the calculator Housing section to adjust.

Sources: approximate metro medians (Zillow / Zumper-style US benchmarks; CMHC-style for Canada). Property tax rates are statewide effective averages. Personalize unit size, rent vs buy, and down payment in the relocation calculator.

Model housing for Johns Creek → San Diego

Key takeaways — Johns Creek → San Diego

  • San Diego has a city cost-of-living index of 146 vs 105 in Johns Creek (national average = 100) — about 39% more expensive on our index.
  • At $100,000 gross (Single filer), roughly $139,048 in San Diego matches Johns Creek purchasing power (+39% COL-adjusted).
  • Keeping the same $100,000 gross, estimated take-home shifts by about −$1,396/year (Johns Creek → San Diego) after federal, state, and FICA taxes.
  • Parent-state paycheck model at $100k (single): Georgia ~$74,190 vs California ~$72,794 (−$1,396/year) — city COL can still change the equivalent salary you need.
  • Illustrative 1-bedroom rent: ~$1,500/mo in Johns Creek vs ~$2,500/mo in San Diego (+$12,000/year).
  • Quality-of-life snapshot (indicative): overall 53 in Johns Creek vs 75 in San Diego — higher safety & better weather in the new city.

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Estimates for planning only. Cost-of-living indices and tax rules change; verify with local sources or a professional before relocating.