A 5-year-old child starting college in 2039 will face 4-year public university costs of approximately $175,000–$195,000 after accounting for college cost inflation of 5% per year. The calculator above shows exactly how much your current 529 balance and monthly contributions will be worth at college age, whether you have a funding gap, and what monthly savings rate would fully cover costs.
How Much Does College Cost in 2026?
The College Board’s 2025 data shows average total annual costs (tuition, fees, room, board, books, transportation) at:
| School Type | Average Annual Cost 2025–26 | 4-Year Total |
|---|---|---|
| Public, 4-year (in-state) | $28,840 tuition + $14,570 room/board = $38,270 total | $153,080 |
| Public, 4-year (out-of-state) | $46,730 tuition + $14,570 room/board = $57,380 total | $229,520 |
| Private, nonprofit, 4-year | $43,350 tuition + $15,270 room/board = $58,600 total | $234,400 |
| Community college | $4,050 tuition + transportation | ~$10,000–$15,000/yr |
These are 2025–26 figures before financial aid or scholarships. The actual out-of-pocket cost is reduced by an average of $7,400/year in grants and scholarships for students who receive aid at 4-year colleges. However, aid is not guaranteed, so planning for full sticker price is the conservative approach.
How Fast Are College Costs Rising?
College costs have increased at approximately 5% per year on average over the past 30 years — roughly double general inflation. At 5% annual inflation, here is what today’s costs become:
| Years Until College | Annual In-State Public Cost | 4-Year Total |
|---|---|---|
| 5 years | $48,900 | $207,000 |
| 10 years | $62,400 | $268,000 |
| 15 years | $79,700 | $343,000 |
| 18 years | $91,900 | $388,000 |
Key insight: A child born today who attends a public university starting in 2044 will face a 4-year total cost of approximately $388,000 if college costs continue rising at 5%/year. This figure represents the savings target for families aiming to fully fund a 4-year public education.
How Much Should You Save Monthly? A Starting-Age Guide
The table below shows the monthly 529 contribution needed to fully fund a 4-year public in-state college education, assuming 6% annual investment growth and 5% annual college cost inflation.
| Child’s Current Age | Years to Save | Monthly Contribution Needed |
|---|---|---|
| Newborn (0) | 18 years | $375/month |
| Age 2 | 16 years | $445/month |
| Age 5 | 13 years | $570/month |
| Age 8 | 10 years | $780/month |
| Age 10 | 8 years | $1,050/month |
| Age 13 | 5 years | $1,920/month |
| Age 15 | 3 years | $3,700/month |
Assumes $0 starting balance, 6% annual return, funding 4-year public university at 5% annual cost inflation.
Starting early is the single most powerful lever. Saving $375/month from birth costs far less per month than $780/month starting at age 8 — and the total contributions are similar, but the investment growth does far more work when you have 18 years of compounding.
The Power of Tax-Free 529 Growth
529 plans offer a unique tax advantage: investment earnings grow federal income-tax-free, and withdrawals for qualified education expenses (tuition, fees, room and board, books, computers) are never taxed. Over long time horizons, this tax-free compounding adds up significantly.
On a $300/month contribution for 18 years at 6% annual return:
| Account Type | Total Contributed | Total Balance at 18 Yrs | Tax Savings |
|---|---|---|---|
| 529 Plan (tax-free growth) | $64,800 | $112,400 | — |
| Taxable Account (24% bracket) | $64,800 | $96,100 | $16,300 saved |
| Taxable Account (22% bracket) | $64,800 | $98,500 | $13,900 saved |
The tax-free growth in a 529 is worth $14,000–$16,000 over 18 years on $300/month contributions — equivalent to several years of tuition at a community college. For higher contribution levels, the advantage scales proportionally.
Additionally, 35 states plus Washington DC offer state income tax deductions or credits on 529 contributions. At a 5% state tax rate on $6,000/year in contributions, that’s an additional $300/year in immediate tax savings.
How 529 Age-Based Portfolios Work
Most 529 plans offer age-based portfolio options that automatically shift from aggressive (stock-heavy) to conservative (bond-heavy) as your child approaches college age. This “glide path” protects accumulated savings from a market downturn just before withdrawal.
| Child’s Age | Typical Stock Allocation | Typical Bond/Cash Allocation |
|---|---|---|
| 0–6 | 90–100% stocks | 0–10% |
| 7–12 | 70–80% stocks | 20–30% |
| 13–15 | 50–60% stocks | 40–50% |
| 16–17 | 30–40% stocks | 60–70% |
| 18+ (college) | 10–20% stocks | 80–90% |
The 6% return assumption in the calculator is a reasonable estimate for an age-based portfolio that starts aggressive and gradually de-risks. Early years (high stock exposure) should average 8–10% in strong markets; later years (more bonds) average 3–5%. If you invest in an all-index-fund stock portfolio throughout, a 7–8% return assumption may be more appropriate, but carries higher late-stage risk.
Superfunding: Front-Loading Your 529
The IRS allows “superfunding” — a lump-sum contribution of up to 5 years of the annual gift tax exclusion at once. In 2026 with an $18,000 annual exclusion:
- Single donor: Up to $90,000 per beneficiary in one year (5 × $18,000)
- Married couple: Up to $180,000 per beneficiary in one year (5 × $36,000)
The contributor elects to treat the contribution as made ratably over 5 years for gift tax purposes. No additional gifts to that beneficiary during those 5 years without gift tax consequences.
Example: Grandparents contribute $90,000 to a newborn grandchild’s 529. At 6% annual growth over 18 years, that single contribution grows to approximately $257,000 — without any ongoing monthly contributions, covering 66% of the projected 4-year public university cost.
Choosing the Right 529 Plan
You can invest in any state’s 529 plan regardless of where you live or where your child will attend college. The key factors:
- State tax deduction/credit — If your state offers one, usually use your state’s plan first. Check your state’s 529 tax benefit.
- Investment options — Look for low-cost index funds (Vanguard, Fidelity, Schwab options in several plans)
- Fees — Total annual expense ratios below 0.20% are excellent; above 0.50% is a red flag
- Plan maximum — Most plans cap balances at $300,000–$550,000; relevant for very large accounts
Top-rated plans with no state tax residency requirement: Utah My529, New York NY’s 529 Direct Plan (Vanguard), Nevada Vanguard 529, Illinois Bright Start.
529 vs. Roth IRA for College Savings
Since SECURE 2.0 (2024), unused 529 funds can be rolled into a Roth IRA for the beneficiary (up to $35,000 lifetime, subject to Roth annual limits and 15-year account age requirement). This has reduced one of the main risks of overfunding a 529.
| Factor | 529 Plan | Roth IRA |
|---|---|---|
| Contribution limit | No annual limit (gift tax rules apply) | $7,000/year (2026) |
| Tax-free growth | Yes (education expenses) | Yes (after 59½) |
| Qualified withdrawals | Education expenses | Retirement (or contributions anytime) |
| Impact on financial aid | 5.64% of parent assets counted | Not counted if parent-owned |
| If child doesn’t go to college | Change beneficiary or roll to Roth | Funds stay as retirement savings |
The consensus for most families: max out 529 first, then supplement with Roth IRA if budget allows and you’ve already maximized retirement accounts. The 529’s state tax deduction and unlimited contribution amount are usually decisive advantages. Learn more about 529 vs. Roth IRA for college.
Frequently Asked Questions
Can I use 529 funds for K-12 private school?
Yes. Up to $10,000 per year per beneficiary can be withdrawn from a 529 tax-free for K-12 tuition at private, public, or religious elementary and secondary schools. This applies federally; some states don’t conform and may impose state income tax on K-12 withdrawals. Check your state’s rules before using 529 funds for K-12 expenses.
What if my child gets a full scholarship?
If your child receives a scholarship, you can withdraw up to the scholarship amount from the 529 without the 10% penalty. You’ll still owe income tax on the earnings portion of that withdrawal. The principal is always returned penalty-free. Alternatively, you can keep the money in the account and change the beneficiary to another family member, or roll up to $35,000 into a Roth IRA.
How does a 529 affect financial aid (FAFSA)?
Parent-owned 529 plans are counted as parent assets on the FAFSA and assessed at a maximum rate of 5.64% per year — meaning $10,000 in a 529 reduces financial aid eligibility by at most $564/year. This is far more favorable than student-owned savings (assessed at 20%). Grandparent-owned 529 plans, under the simplified FAFSA introduced in 2024, no longer count as student income when funds are distributed.
Can I contribute to a 529 for a child not yet born?
Yes — open the account with yourself as the beneficiary, then change the beneficiary to your child after they’re born. This is a common strategy for expectant parents who want to start saving immediately. All major 529 plans allow beneficiary changes to family members at any time.
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