Quick answer
On $100K in Charleston, your take-home is $5,967/month and 1BR rent takes up 29% of that. After rent, utilities, and groceries you have $3,657/month left.
Affordability Calculator · SC
Can I Afford to Live in Charleston on $100K?
Real math for $100K/year in Charleston, SC: taxes, rent, utilities, groceries, and how much is left. No filler.
Last updated: April 23, 2026
Monthly Budget Breakdown
| Line Item | Monthly |
|---|---|
| Gross income | $8,333 |
| Federal income tax (~22% effective) | −$1,833 |
| State income tax (6.4%) | −$533 |
| Take-home pay | $5,967 |
| 1BR rent (Charleston median) | $1,750 |
| Utilities (avg) | $165 |
| Groceries (avg, 1 person) | $395 |
| Left after essentials | $3,657 |
Federal tax uses a rough effective rate. State tax: 6.4%. Essentials = 1BR rent + utilities + groceries.
Affordability Verdict
Affordable
Tight but manageable. You can make it work without sacrificing savings.
Your $100K salary leaves $3,657 per month after 1BR rent ($1,750), utilities ($165), and groceries ($395) in Charleston.
What You Can Realistically Afford
Your 30% rent cap: $1,790/month
The standard guideline is to spend no more than 30% of take-home on rent. On $100K inCharleston, that's $1,790/month.
1-Bedroom: Within budget
$1,750/mo
29% of take-home
2-Bedroom: Over budget
$2,250/mo
38% of take-home solo · $1,125/mo split with roommate
Buy a Home: Out of reach
$510K median
Your ceiling ~$255K · $255K short
50/30/20 Budget for $100K in Charleston
Based on $5,967/month take-home.
50% — Needs
$2,983
Rent, utilities, groceries, transport, insurance
30% — Wants
$1,790
Dining out, entertainment, subscriptions, hobbies
20% — Savings
$1,193
Emergency fund, retirement, investments
Frequently Asked Questions
Can I afford a 1-bedroom apartment in Charleston on a $100K salary?
On $100K in Charleston, your take-home is roughly $5,967/month after federal and state taxes. A 1BR averages $1,750/month, which is 29% of your take-home. That's within the recommended 30% rule.
What is the take-home pay for a $100K salary in Charleston?
On a $100K gross salary in Charleston, you pay roughly 22% in federal income tax and 6% in state income tax. That leaves approximately $5,967/month in take-home pay.
How much rent can I afford on $100K in Charleston?
Using the 30% rule, your rent cap on $100K in Charleston is $1,790/month. The median 1BR in Charleston is $1,750, so you can comfortably afford a 1BR.
Can I buy a home in Charleston on $100K?
On $100K in Charleston, your mortgage affordability ceiling is around $255K — well below the $510K median home price. Buying is out of reach at this salary without a large down payment or dual income.