See all 50 states on one map and compare side-by-side. Start 7-day free trial — no card required
New Mexico
Tax Burden Comparison (Your Current State vs. New State)
New Mexico's total tax burden (10.2% of income) is essentially the same as Montana's (10.1% of income) — a difference of only +0.1 pts. On a $100K household budget, the move is roughly tax-neutral. Other factors (retirement rules, estate tax, specific categories) may matter more.
Income Tax Changes (Top Rate & Structure)
New Mexico top marginal income tax rate is 5.9%, versus 5.9% in Montana. Compare across your expected income bracket — top rates kick in at different thresholds in each state.
Sales Tax Changes (State & Local Combined)
New Mexico state sales tax is 4.88%. With average local add-ons, the combined rate is 7.62%. This applies to most retail purchases but rules on groceries, prescriptions, and services vary.
Property Tax Changes (Median Effective Rate)
New Mexico median effective property tax rate is 0.67% of home value. On a $400,000 home, that is roughly $2,680/year. Property tax typically funds schools, municipalities, and county services — rates vary sharply within a state by school district.
Estate & Inheritance Tax (planning for heirs)
New Mexico has NO state estate tax and NO state inheritance tax. Heirs are subject only to federal estate tax (over $13.99M in 2025). This is favorable for wealth transfer.
Retirement Income Treatment (Social Security, Pensions, 401k)
In New Mexico: Social Security is partially taxed. Pensions and 401(k)/IRA withdrawals are partially taxed.
Capital Gains Treatment
New Mexico capital gains treatment: 40% exclusion or $1000 deduction (whichever greater); balance taxed at regular rates up to 5.9%. Compare to federal long-term capital gains rates (0%, 15%, or 20%) — some states offer preferential treatment for long-term holdings, while others tax capital gains as ordinary income.
Gas Tax Changes
New Mexico gas tax is 18.9¢/gal — 14.9¢/gal lower than Montana's 33.8¢/gal. For a 15,000 mile/year driver getting 25 mpg, each 1¢/gal of gas tax = about $6/year.
Establishing Residency & Domicile Rules
New Mexico residency rules: Domicile + 185-day rule (6+ months). Statutory resident test. To establish residency for tax purposes, typical steps include: update driver's license and vehicle registration, register to vote, file a homestead declaration, close home-state bank accounts where possible, and spend clearly more than 183 days in your new state. If your former state is aggressive (e.g., CA, NY, NJ, OR), keep documentation of every day spent in each state.
Recent Tax Law Changes
New Mexico recent tax law changes: Social Security exemption expanded in 2022 (AGI under $100K single / $150K joint). GRT reduced to 4.875% in 2023; remains at that level.
Official State Tax Source
For the most current tax information in New Mexico, visit the official source at https://www.tax.newmexico.gov/. Tax laws change annually; verify rates and rules before making a permanent move. Consult a CPA for advice specific to your situation.
Related guides
More from Montana · Moving States
See all moving statespairs →Moving to New Mexico from elsewhere · Moving States
This guide compares total state and local tax burdens for a typical household and is general guidance only — not tax, legal, or financial advice. Individual tax liability depends on income level, filing status, property value, retirement status, and more. Before making a permanent move, consult a CPA or tax attorney. Tax burden figures draw on Tax Foundation, WalletHub, Kiplinger, and official state revenue sources using 2024–2025 data where available.