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US relocation · 2026

California flagSan Diego → Delaware flagWilmington

At $100,000 gross, you’d need about $67,123 in Wilmington to match San Diego purchasing power — and same-gross take-home shifts by +$1,025/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Wilmington leads

City COL moves -48 from San Diego (146) to Wilmington (98). Parent median income delta (California → Delaware): −$18,300. At $100,000 gross: equivalent salary ~$67,123; same-gross take-home +$1,025/year.

Side-by-side city scoreboard

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 →

Wilmington

102

Purchasing power index · 100 = national avg

COL index
98
Parent median income
75,200 USD
Sales tax
~0%
Property tax
~0.54%
Income tax
Taxed
$100k take-home
$73,818
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)

San Diego

$100,000

Wilmington

$100,000

Est. annual take-home

San Diego

$72,794

Wilmington

$73,818

Approx. combined tax + payroll burden

San Diego

27.2%

Wilmington

26.2%

Take-home difference at same gross

+$1,025 / yr in Wilmington vs San Diego

Equivalent gross for same lifestyle (COL-adjusted)

Wilmington only

$67,123

Change vs scenario gross

Wilmington only

-32.9%

Est. take-home at equivalent gross

Wilmington only

$52,859

Burden at equivalent gross

Wilmington only

21.3%

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 $6,066/mo in San Diego vs $6,152/mo in Wilmington—roughly +$86/mo more in Wilmington before housing ($1,025/yr annualized).

  • Cost of living vs taxes. Our benchmark COL index is 146 for San Diego and 98 for Wilmington (100 = national average). The destination is about -32.9% less 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 $67,123/yr gross in Wilmington (~$5,594/mo), with estimated take-home around $4,405/mo. Versus estimated take-home in San Diego at the scenario gross, that is about -27.4% (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 $3,566/mo is left after rent in San Diego at the scenario gross vs $4,772/mo in Wilmington at the same gross. At the equivalent gross in Wilmington, about $3,025/mo after rent. Typical rent differs by about $1,120/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

San Diego

$2,500

Wilmington

$1,380

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

San Diego

30.0%

Wilmington

16.6%

Rent as % of equivalent gross (Wilmington)

Wilmington only

24.7%

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

Housing: San Diego → Wilmington

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

1BR rent delta / yr

−$13,440

1BR % of $100k (San Diego)

30%

$2,500/mo

1BR % of $100k (Wilmington)

16.6%

$1,380/mo

Property tax (effective)

~0.7% → ~0.54%

San Diego → Wilmington

At COL-equivalent salary in Wilmington, 1BR rent is about 24.7% of gross — vs 16.6% if you keep $100,000 gross.

Apartment rent (monthly)

SizeSan DiegoWilmingtonDelta / mo
Studio$1,950$1,150−$800
1 bedroom$2,500$1,380−$1,120
2 bedroom$3,200$1,720−$1,480
3 bedroom$4,200$2,180−$2,020

House rent (monthly)

SizeSan DiegoWilmingtonDelta / mo
2 bedroom$3,200$1,850−$1,350
3 bedroom$4,100$2,320−$1,780
4 bedroom$5,200$2,900−$2,300

Buy instead? Est. mortgage (3BR house)

San Diego payment

$4,714/mo

Wilmington payment

$2,667/mo

Payment delta

−$2,046

Est. purchase price

$885,600 → $501,120

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 San Diego → Wilmington

Key takeaways — San Diego → Wilmington

  • Wilmington has a city cost-of-living index of 98 vs 146 in San Diego (national average = 100) — about 33% cheaper on our index.
  • At $100,000 gross (Single filer), roughly $67,123 in Wilmington matches San Diego purchasing power (-32.9% COL-adjusted).
  • Keeping the same $100,000 gross, estimated take-home shifts by about +$1,025/year (San Diego → Wilmington) after federal, state, and FICA taxes.
  • Parent-state paycheck model at $100k (single): California ~$72,794 vs Delaware ~$73,818 (+$1,024/year) — city COL can still change the equivalent salary you need.
  • Illustrative 1-bedroom rent: ~$2,500/mo in San Diego vs ~$1,380/mo in Wilmington (−$13,440/year).
  • Quality-of-life snapshot (indicative): overall 75 in San Diego vs 50 in Wilmington — lower safety & worse 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.