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US relocation · 2026

Kentucky flagLouisville → Pennsylvania flagPhiladelphia

At $100,000 gross, you’d need about $120,455 in Philadelphia to match Louisville purchasing power — and same-gross take-home shifts by +$430/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Louisville leads

City COL moves +18 from Louisville (88) to Philadelphia (106). Parent median income delta (Kentucky → Pennsylvania): +$12,000. At $100,000 gross: equivalent salary ~$120,455; same-gross take-home +$430/year.

Side-by-side city scoreboard

Louisville

114

Purchasing power index · 100 = national avg

COL index
88
Parent median income
60,800 USD
Sales tax
~6%
Property tax
~0.74%
Income tax
Taxed
$100k take-home
$75,680
Open calculator →

Philadelphia

94

Purchasing power index · 100 = national avg

COL index
106
Parent median income
72,800 USD
Sales tax
~6.34%
Property tax
~1.26%
Income tax
Taxed
$100k take-home
$76,110
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)

Louisville

$100,000

Philadelphia

$100,000

Est. annual take-home

Louisville

$75,680

Philadelphia

$76,110

Approx. combined tax + payroll burden

Louisville

24.3%

Philadelphia

23.9%

Take-home difference at same gross

+$430 / yr in Philadelphia vs Louisville

Equivalent gross for same lifestyle (COL-adjusted)

Philadelphia only

$120,455

Change vs scenario gross

Philadelphia only

+20.5%

Est. take-home at equivalent gross

Philadelphia only

$89,872

Burden at equivalent gross

Philadelphia only

25.4%

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 $6,307/mo in Louisville vs $6,343/mo in Philadelphia—roughly +$36/mo more in Philadelphia before housing ($430/yr annualized).

  • Cost of living vs taxes. Our benchmark COL index is 88 for Louisville and 106 for Philadelphia (100 = national average). The destination is about +20.5% 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 $120,455/yr gross in Philadelphia (~$10,038/mo), with estimated take-home around $7,489/mo. Versus estimated take-home in Louisville at the scenario gross, that is about +18.8% (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 $5,287/mo is left after rent in Louisville at the scenario gross vs $4,793/mo in Philadelphia at the same gross. At the equivalent gross in Philadelphia, about $5,939/mo after rent. Typical rent differs by about +$530/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

Louisville

$1,020

Philadelphia

$1,550

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

Louisville

12.2%

Philadelphia

18.6%

Rent as % of equivalent gross (Philadelphia)

Philadelphia only

15.4%

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

Housing: Louisville → Philadelphia

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

1BR rent delta / yr

+$6,360

1BR % of $100k (Louisville)

12.2%

$1,020/mo

1BR % of $100k (Philadelphia)

18.6%

$1,550/mo

Property tax (effective)

~0.74% → ~1.26%

Louisville → Philadelphia

At COL-equivalent salary in Philadelphia, 1BR rent is about 15.4% of gross — vs 18.6% if you keep $100,000 gross.

Apartment rent (monthly)

SizeLouisvillePhiladelphiaDelta / mo
Studio$850$1,300+$450
1 bedroom$1,020$1,550+$530
2 bedroom$1,280$1,850+$570
3 bedroom$1,620$2,300+$680

House rent (monthly)

SizeLouisvillePhiladelphiaDelta / mo
2 bedroom$1,380$2,000+$620
3 bedroom$1,720$2,500+$780
4 bedroom$2,150$3,100+$950

Buy instead? Est. mortgage (3BR house)

Louisville payment

$1,977/mo

Philadelphia payment

$2,874/mo

Payment delta

+$897

Est. purchase price

$371,520 → $540,000

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 Louisville → Philadelphia

Key takeaways — Louisville → Philadelphia

  • Philadelphia has a city cost-of-living index of 106 vs 88 in Louisville (national average = 100) — about 20% more expensive on our index.
  • At $100,000 gross (Single filer), roughly $120,455 in Philadelphia matches Louisville purchasing power (+20.5% COL-adjusted).
  • Keeping the same $100,000 gross, estimated take-home shifts by about +$430/year (Louisville → Philadelphia) after federal, state, and FICA taxes.
  • Parent-state paycheck model at $100k (single): Kentucky ~$75,680 vs Pennsylvania ~$76,110 (+$430/year) — city COL can still change the equivalent salary you need.
  • Illustrative 1-bedroom rent: ~$1,020/mo in Louisville vs ~$1,550/mo in Philadelphia (+$6,360/year).
  • Quality-of-life snapshot (indicative): overall 50 in Louisville vs 50 in Philadelphia — Similar crime and weather in both cities.

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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.