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Short answer: it works, but it's tighter than the number sounds. Here's the whole picture, not the headline number.
That's what a $75,000 Charleston salary is actually worth, after federal tax, Social Security and Medicare, South Carolina income tax, and local prices that run 1.0% above the national average. South Carolina takes $2,657 of it.
Charleston lands within a whisker of the national average on prices, so this comes down almost entirely to tax rather than geography.
So let's do the whole thing.
Start with the headline number and subtract reality. Single filer, standard deduction, 2026 brackets:
| Line | Amount |
|---|---|
| Gross salary | $75,000 |
| Federal income tax | −$7,670 |
| Social Security and Medicare | −$5,738 |
| South Carolina state income tax | −$2,657 |
| Take-home pay | $58,935 |
| Adjusted for Charleston prices (1.0% above average) | $58,352 |
That last row is the one that matters and it's the one nobody shows you. Your $58,935 spends like $58,352 would somewhere average. The federal government scores every metro against a national average of 100, and Charleston scores 101.0. Charleston takes roughly $600 a year off you before you've bought anything, purely for the privilege of buying it there.
This is the deduction that surprises people who moved from somewhere cheaper to be taxed.
South Carolina takes about $2,657 of this salary, an effective rate of 3.5% once brackets and deductions shake out.
That sits on top of federal tax and FICA, which between them explain the gap between the number you agreed to and the number that shows up.
Everything above assumes a single filer, which is the common case for "is this salary any good" and the wrong one for plenty of readers. If $75,000 is a household's income and you file jointly, the federal picture changes a lot: the standard deduction doubles and every bracket widens, so federal tax falls from $7,670 to $4,640. That is $3,030 a year back in your pocket.
| Line | Single | Filing jointly |
|---|---|---|
| Federal income tax | $7,670 | $4,640 |
| Social Security and Medicare | $5,738 | $5,738 |
| Take-home pay, at least | $58,935 | $61,965 |
| Same buying power as | $58,352 | $61,352 |
One caveat on that joint column, and it runs in your favour. We hold South Carolina tax at the single-filer figure, because state schedules for joint filers vary and we would rather understate the benefit than guess at it. Most states widen their brackets for joint filers too, so your real joint take-home is likely a little higher than the number above, not lower.
Charleston being 1% above average is a blended figure, and blending is exactly what you don't want here. Groceries and everyday goods run 4% below average. Housing runs 20% above it.
That's a very different problem from "everything is expensive." One line on your budget absorbs almost the whole difference, and it's the one you can't opt out of.
A one-bedroom at Charleston's fair market rent runs $1,630 a month, $1,787 for a two-bedroom. Against take-home of $4,911 a month, the one-bedroom eats 33% of it.
That's over the 30% line, which puts you in what housing researchers call cost-burdened. It leaves $3,281 a month for food, transport, insurance, and anything you might want to save.
Charleston has been on both sides of the national average. It spent 4 of the last 17 years above it, and it's above it now at 101.
Cities that hover near the average are the ones where general advice is least useful. A few index points either way changes the answer, and Charleston has moved a few index points repeatedly.
Most of that shift is recent: 2.8 points of it landed in the last five years.
Flip it around. To match what $75,000 buys at the national average, Charleston only needs to pay you $75,750.
So the same salary stretches further here than the number suggests. Worth knowing if you ever do end up negotiating.
| Metro | Price level100 = US avg | State tax | Real value |
|---|---|---|---|
| Charleston, SC | 101.0 | 3.5% | $58,352 |
| Kansas City, MO | 92.5 | 3.5% | $63,789 |
| Tampa, FL | 100.9 | None | $61,043 |
| Sacramento, CA | 106.7 | 3.9% | $54,067 |
Your salary, your two cities, real federal price data. Takes about fifteen seconds.
Compare my citiesIt works, and it doesn't leave much slack. $75,000 in Charleston spends like $58,352 somewhere average, so roughly $16,600 a year disappears before you buy anything.
$600 of that is Charleston specifically. You'd keep it by living somewhere at the national average and earning exactly the same.
After tax you keep about $58,935, which is roughly $4,911 a month. Against Charleston's price level of 101.0, where 100 is the national average, that spends like $58,352 would somewhere average. Comfortable for one person, workable for two, tighter than the headline number suggests once there are children involved.
About $75,750, matching Charleston's price level of 101.0 against the national average of 100. If you're moving from a specific city rather than the national average, run both through the calculator, because the answer moves a lot.
About $2,657 on a $75,000 salary, an effective rate of 3.5% once the state's brackets and deductions are applied. That's separate from federal tax and FICA.
Price levels are Regional Price Parities from the US Bureau of Economic Analysis, the federal government's official measure of geographic price differences. Tax figures are 2026 federal brackets and South Carolina state rates. We show the data vintage on every page so you know exactly how current the figures are.