When you picture a salary, you picture the gross number - the figure in the offer letter. But that number passes through two filters before it becomes the life you actually live. First taxes take a share, leaving your take-home pay. Then local prices decide how far that take-home goes. Two people with identical salaries can end up with very different standards of living because these two filters - taxes and cost of living - work differently in every state and city. Here's how they fit together, and how to judge what a paycheck is really worth.
Gross pay is not what you keep
Your gross salary is the headline. Your take-home pay is what lands in your bank account after deductions, and the gap between them is larger than most people expect. The main subtractions are:
- Federal income tax - progressive, so higher earners lose a larger share.
- FICA / payroll taxes - Social Security and Medicare, a flat cut for most workers.
- State income tax - and this is where two identical salaries diverge sharply, because it varies enormously by state.
- Local income tax - some cities and counties add their own on top.
Add these up and take-home can run well below gross. Crucially, the size of that gap depends on where you work.
The state tax difference
Nine states levy no broad personal income tax: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming. (Rules shift over time, so confirm your state's current situation.) In those states, a worker keeps more of the same gross salary than someone in a high-tax state, where the top brackets can take a meaningful slice.
Consider two people each earning $90,000 gross. One lives in a state with no income tax; the other in a state with a high income tax. After state tax alone, their take-home pay can differ by several thousand dollars a year - same job, same salary, different paycheck, purely because of where the state line falls. That difference never shows up if you only compare gross salaries.
But take-home is only half the story
Keeping more of your paycheck doesn't automatically mean a better life - because take-home is what you keep, while cost of living is what it buys. A no-income-tax state with expensive housing can hand you a bigger take-home that then gets eaten by rent. A modest-tax state with cheap housing can leave you with a smaller take-home that stretches much further.
This is the piece people miss. The two filters compound:
- Best case: low taxes and low cost of living - you keep more and it buys more. You win twice.
- Worst case: high taxes and high cost of living - you keep less and it buys less. You lose twice.
- The common trap: a high salary in a place that's high on both. The gross looks great; the reality is thin.
That's exactly why looking at salary alone - or even take-home alone - gives a misleading picture. Our guide on cost-of-living indices covers how much prices swing between metros, and nominal vs. real wages explains why the same take-home means different things in different cities.
Watch out: "no income tax" doesn't mean "no taxes"
Before you chase a no-income-tax state, know that states still need revenue, and they raise it other ways. A state with no income tax may have higher sales taxes, higher property taxes, or higher fees that quietly claw back some of what you saved on income tax. Property tax in particular matters if you plan to buy a home. So "no income tax" is a real advantage, but it's one input, not a guarantee of a lower overall tax burden. Look at the whole picture - income, sales, and property taxes together - not just the headline.
How to actually compare
To judge an offer or a move, run the numbers in this order:
- Start with gross, but don't stop there.
- Estimate take-home after federal, state, and local income taxes, plus payroll taxes. This is the money you'll actually have.
- Adjust take-home for cost of living - divide by the destination's cost index and multiply by 100 - to see its real buying power.
- Add the taxes cost-of-living indices miss, like property tax if you'll buy.
The offer that wins is the one with the highest cost-of-living-adjusted take-home, not the highest gross. Our salary calculator handles the cost-of-living conversion between metros, and you can sanity-check typical pay for your field - say registered nurses or software developers - against local costs to see where you'd realistically land.
The takeaway
Three numbers stand between your salary and your standard of living: gross pay, take-home pay after taxes, and real value after cost of living. Gross is the least useful on its own. State and local taxes decide how much of it you keep, and local prices decide how far that goes - and the two compound, for better or worse. Before you accept a raise, take an offer, or move for a bigger number, convert it into cost-of-living-adjusted take-home pay. That single figure tells you what you'll actually keep and what it will actually buy, which is the only comparison that matters.