CashHome › States › North Carolina
Best after-tax cash yields in North Carolina
Updated Oct 16, 2026 · By Jeison Cobb
Data as of 2026-10-16 12:30 ET · North Carolina state tax 3.99% · federal bracket 22%
| # | Account | Yield | After-tax | $ / yr after tax |
|---|---|---|---|---|
| 1 | US T-Bill 52 Weeks US Treasury-backedstate-tax free | 4.47% | 3.49% | $349 |
| 2 | US T-Bill 26 Weeks US Treasury-backedstate-tax free | 4.36% | 3.40% | $340 |
| 3 | Marcus High-Yield CD (12-mo) Member FDIC | 4.40% | 3.30% | $330 |
| 4 | US T-Bill 13 Weeks US Treasury-backedstate-tax free | 4.20% | 3.28% | $328 |
| 5 | Ally High Yield CD (12-mo) Member FDIC | 4.30% | 3.22% | $322 |
| 6 | US T-Bill 4 Weeks US Treasury-backedstate-tax free | 4.07% | 3.17% | $317 |
| 7 | SoFi Checking & Savings Member FDIC | 4.20% | 3.15% | $315 |
| 8 | LendingClub LevelUp Savings Member FDIC | 4.20% | 3.15% | $315 |
| 9 | Bread Savings HYSA Member FDIC | 4.05% | 3.03% | $303 |
| 10 | VUSXX (Vanguard Treasury MMF) Fund · not FDIC insuredstate-tax free | 3.88% | 3.03% | $303 |
Min to open / monthly fee come from each provider's own page (see "terms" link); "—" means we couldn't confirm it, so we don't guess. Different federal bracket? Use the full ranking tool.
Get alerts when North Carolina's best rate changes
One short email every Monday: who raised, who cut, and the best after-tax spot for your cash in North Carolina. Free bonus with signup: the state-by-state cash parking cheat sheet (all 51 states, after-tax winners and the bank APY you need to beat a T-bill).
How North Carolina taxes your cash
North Carolina's top state income tax rate is 3.99%. Interest from savings accounts, CDs and most money market funds is taxed by North Carolina. Interest from US Treasuries (T-bills, T-bill ETFs like SGOV/BIL, and Treasury money funds) is exempt from state tax by federal law. To match a 4.47% Treasury after tax, a bank account in North Carolina needs about 4.66% APY.
Right now in North Carolina, the best Treasury option (US T-Bill 52 Weeks, 3.49% after tax) beats the best bank option (Marcus High-Yield CD (12-mo), 3.30% after tax), assuming a 22% federal bracket.
FAQ
What is the best after-tax place for cash in North Carolina?
As of 2026-10-16, the top after-tax yield for a 22% federal bracket in North Carolina is US T-Bill 52 Weeks at 3.49% (4.47% before tax).
Are T-bills taxed in North Carolina?
No. Interest on US Treasury bills is exempt from state and local income tax, including North Carolina's income tax. It is still subject to federal income tax.
What is North Carolina's state income tax rate on interest?
We use North Carolina's top marginal rate of 3.99% (Tax Foundation, 2026). Your actual rate may be lower depending on income.
How is after-tax yield calculated?
Bank interest: yield × (1 − federal rate) × (1 − state rate). Treasuries: yield × (1 − federal rate). We assume a 22% federal bracket on this page; use the home page tool to change it.
Weekly rate-change email
Every Monday: who raised, who cut, and the best after-tax spot for your cash.
Or subscribe here.
Other states
Method: bank = yield × (1 − federal) × (1 − state); Treasuries = yield × (1 − federal). Uses the state's top marginal rate (Tax Foundation 2026); ignores local tax and partial-exemption rules for government MMFs. Not financial advice. Back to CashYield home.