529 Calculator

New Mexico 529 Calculator 2026

New Mexico is one of a small group of states that deduct the entire contribution with no cap, which makes it very effective for lump-sum funding — the only limit is your New Mexico taxable income.

Project the balance from your contributions below, then read the New Mexico tax table to see what the state side of the deal is actually worth in dollars — computed from the same 2026 New Mexico schedule used by the New Mexico paycheck calculator.

Your numbers
$
$
6%
15 yrs
$
Over time

Use Left and Right Arrow, Home, or End to inspect data points.

$100k$50k$00715

Sources & assumptions

Formula 2026.07.18
Page updated 2026-07-18

Read the full methodology
  • Growth uses a steady monthly compounding rate; age-based 529 portfolios de-risk over time and will not track it exactly.
  • State tax savings are computed from the 2026 state schedule in this site's tax engine, applied to the assumed household income shown with each table.
  • State 529 deduction and credit limits are the commonly published 2026 figures; several states index them annually — confirm yours with the plan.
  • College cost projections are rounded national published averages inflated at a fixed rate, not a quote from any institution.
Report a calculation issue

The email includes this route only; calculator inputs are not attached.

What a 529 contribution saves you in New Mexico tax

Estimated New Mexico tax saved in the year you contribute, computed by running the 2026 New Mexico schedule with and without the deduction. The single column assumes a $100,000 income; the joint column assumes $150,000. This is the immediate return, before a cent of investment growth.

Estimated New Mexico tax saving by annual 529 contribution, 2026
Annual contributionSingle, $100,000Joint, $150,000Effective discount
$2,000$98$984.9%
$5,000$245$2454.9%
$10,000$490$4904.9%
$15,000$735$7354.9%

The full contribution is deductible with no stated dollar cap. Only contributions to The Education Plan qualify. Figures are planning estimates from the 2026 schedule, not tax advice — confirm the current limit with the plan or a tax professional.

What monthly 529 contributions grow to

Projected balances at a 6% annual return, contributions only, no starting balance. Age-based 529 portfolios shift toward bonds as college approaches, so a real plan started at birth typically averages a little under this early and a little over it later.

Projected 529 balance by monthly contribution at a 6% return
Monthly contributionAfter 10 yearsAfter 15 yearsAfter 18 yearsOf which growth
$100/mo$16,388$29,082$38,735$17,135
$250/mo$40,970$72,705$96,838$42,838
$500/mo$81,940$145,409$193,677$85,677
$750/mo$122,910$218,114$290,515$128,515
$1,000/mo$163,879$290,819$387,353$171,353

What four years of college is projected to cost

Rounded national averages for published total cost of attendance — tuition, fees, room and board — projected forward at 5% a year across four consecutive academic years. Published price is not net price: most families pay less after grant aid, and an individual school can sit far either side of the average.

Projected four-year college cost by institution type
Institution typeFour years todayStarting in 10 yearsStarting in 18 years
Public four-year, in-state$120,000$210,622$311,185
Public four-year, out-of-state$196,000$344,016$508,269
Private nonprofit four-year$252,000$442,307$653,488

How the New Mexico 529 benefit actually works

A 529 deduction reduces New Mexico taxable income, so its cash value is the deducted amount multiplied by your New Mexico marginal rate — not the deduction itself. The full contribution is deductible with no stated dollar cap.

The benefit is tied to The Education Plan, so the comparison is between the New Mexico tax saving and any fee premium the in-state plan carries. Calculate both: the deduction is a one-year saving, while a fee difference compounds for as long as the account exists.

Contribution limits are set by the plan, not by the IRS — most allow a lifetime balance of $400,000 or more per beneficiary. What is capped federally is the gift-tax treatment: contributions count as completed gifts, and a five-year election lets you front-load five years of the annual exclusion into a single year without using lifetime exemption.

Frequently asked questions

Does New Mexico offer a 529 tax deduction?
Yes. The full contribution is deductible with no stated dollar cap. The benefit applies only to contributions made to The Education Plan.
What is a $5,000 529 contribution worth in New Mexico?
On a $100,000 single-filer income, contributing $5,000 to a New Mexico-qualifying 529 is estimated to cut New Mexico tax by about $245 for the year — an immediate return of roughly 4.9% on the contribution, before any investment growth.
Which 529 plan should a New Mexico resident use?
To claim the New Mexico benefit you must contribute to The Education Plan. Weigh that benefit against any fee difference versus a cheaper out-of-state plan — for most New Mexico savers the state benefit wins, but it is worth checking at small contribution levels.
What happens if the money is not used for college?
Non-qualified withdrawals are taxed on the earnings portion and carry a 10% federal penalty on those earnings, and the state may reclaim deductions previously taken. There are penalty-free escape routes: change the beneficiary to another family member, use up to $10,000 for student-loan repayment, or roll unused funds into the beneficiary's Roth IRA subject to the lifetime cap and account-age rules.
Can 529 money be used for more than tuition?
Yes. Qualified expenses include tuition, mandatory fees, books, required supplies and equipment, computers used for study, and room and board for students enrolled at least half time. Up to $10,000 a year can also be used for K-12 tuition, and up to $10,000 lifetime for student loan repayment.
Does a 529 hurt financial aid?
Less than most families expect. A parent-owned 529 is a parental asset on the FAFSA and is assessed at a maximum of 5.64% — so $50,000 saved reduces aid eligibility by at most about $2,820. Since the FAFSA Simplification Act, distributions from a grandparent-owned 529 no longer count as student income at all.

Related calculators

529 rules in other states