Kentucky workers can defer up to $24,500 to a 401k in 2026, plus an $8,000 catch-up at age 50+, with combined employee and employer contributions capped at $72,000. Kentucky's flat state income tax is 4.0%. Traditional 401k deferrals typically reduce Kentucky taxable income as well as federal. Typical employer matches are often 3–6% of pay. Educational only.
401(k) and IRA projections update as you type — educational only.
Kentucky: flat 4.0% state income tax — traditional 401(k) deferrals usually reduce KY taxable income; model is federal-focused. Not financial or tax advice.
IRS cap $24,500/yr
Simplified model: 100% match up to this % of salary. Actual employer formulas vary (e.g. 50% up to 6%, tiered match, etc.)
Your contributions grow as your salary grows.
Projected balance
$1,472,304
The 4% rule is a general guideline, not a guarantee. This is not financial advice.
Balance breakdown (stacked)
| Type | 2026 Limit | Notes |
|---|---|---|
| Employee contribution | $24,500 | IRS |
| Catch-up (age 50+) | +$8,000 | Total $32,500 |
| Catch-up (age 60–63, if eligible) | +$11,250 | Enhanced catch-up (federal) |
| Total with employer match | Up to $72,000 | Combined limit |
Kentucky uses a flat 4.0% state income tax. Pre-tax traditional 401k deferrals generally reduce both federal and Kentucky taxable income, lowering current state tax at a flat rate. Distributions from traditional 401k accounts are generally taxable in Kentucky in retirement. Roth 401k tradeoffs depend on federal and Kentucky rules for contributions and qualified distributions — consult a tax professional for your situation.
| Monthly Contribution | Years | 7% Return | Est. Balance |
|---|---|---|---|
| $500 | 20 | 7% | ~$262,000 |
| $1,000 | 20 | 7% | ~$524,000 |
| $2,042 ($24,500/yr) | 20 | 7% | ~$1,071,000 |
| $2,042 ($24,500/yr) | 30 | 7% | ~$2,467,000 |
With a flat 4.0% Kentucky rate, traditional 401k deferrals save a predictable amount of state tax now. Roth 401k trades an upfront tax cost for potential federally tax-free qualified withdrawals. Typical 3–6% employer matches are often traditional dollars. Many workers capture the full match first, then split additional savings based on federal and state brackets.
The IRS limit for employee 401k deferrals is $24,500 in 2026. Workers aged 50 and older may contribute an additional $8,000 catch-up for $32,500 total. Optional higher catch-ups may apply at ages 60–63 under federal rules. Combined employee and employer contributions can reach up to $72,000 in 2026 (plus catch-ups where allowed).
Kentucky has a flat state income tax of 4.0%. Traditional 401k salary deferrals generally reduce both federal and Kentucky taxable income, so you typically save Kentucky tax on amounts deferred now and pay Kentucky tax on traditional 401k withdrawals in retirement.
Many Kentucky employers match about 3% to 6% of salary when you defer enough to earn the full match. Always capture the full match if you can. The combined employee-employer limit is $72,000 in 2026 before age-based catch-ups.
Traditional 401k lowers federal and generally Kentucky taxable income now at a flat 4.0% state rate. Roth 401k uses after-tax dollars but can provide federally tax-free qualified withdrawals; confirm Kentucky treatment of Roth distributions with a tax advisor.
Total contributions from you and your employer generally cannot exceed $72,000 in 2026 (plus allowed catch-ups). Employer matching dollars count toward that cap.
Many employers offer Roth 401k. After-tax contributions can grow federally tax-free if qualified; weigh current Kentucky tax on Roth deferrals against your expected retirement tax picture.
Educational estimates only. Not financial or tax advice.