¿Tiene Idaho impuesto estatal sobre la renta?

Sí. Idaho tiene un impuesto estatal con una tasa máxima del 5.3%.

¿Cuánto es el impuesto de Idaho sobre un salario de $100,000?

En un salario de $100,000 en Idaho, el impuesto estatal es aproximadamente $4,447. Tu sueldo neto total estimado es $74,733/año.

¿Qué otros impuestos tiene Idaho?

State sales tax 6% with limited local add-ons bringing combined rates to 6%–9% (Boise 6%, Coeur d'Alene 6%, Idaho Falls 6%, Sun Valley 9% with resort tax). Property tax averages 0.69% effective — among the lower rates nationally. No estate tax, no inheritance tax. Standard deduction conforms to federal ($16,100 single / $32,200 MFJ for 2026). Idaho's grocery tax credit ($120/person, $140 for seniors 65+) partially offsets sales tax on food. Senior + disabled property tax reduction ("Circuit Breaker") available for low-income retirees, capped at $1,500/year per Idaho Code §63-701.

¿Cómo se compara Idaho con otros estados en impuestos?

La tasa máxima de Idaho del 5.3% es alta — por encima de la mediana nacional para impuestos estatales.

What is Idaho's income tax rate in 2026?

Flat 5.3% on taxable income, full stop. Idaho consolidated five years of cuts into a flat rate via HB 521 of 2024 — the prior progressive 5.3%–6.0% structure (which was itself 5.8%–7.4% as recently as 2020) collapsed into a clean flat rate effective tax year 2024. Most professional incomes pay an effective rate close to 4.6%–5.0% after the federal-conforming standard deduction. Idaho is now one of fewer than 15 flat-rate income-tax states in the country, and the flat rate is the result of a deliberate multi-year political consensus.

What's actually happening in Boise?

Boise / Meridian / Nampa was the fastest-growing US metro 2020–2023 by population (Census Bureau data), driven by California migration and remote-work geographic flexibility. Micron Technology is headquartered in Boise (~6,500 employees, plus the announced $15B fab expansion), HP has a substantial Boise R&D footprint (~2,500), Albertsons is HQ'd in Boise (~1,400 corporate), and Clearwater Analytics, Idaho Power, and Boise State all add white-collar density. Boise housing has appreciated dramatically — median home prices roughly doubled 2019–2024 — and the affordability advantage that drove migration has narrowed considerably. The metro is still cheaper than the Bay Area or Seattle, but no longer dramatically cheaper than Salt Lake City or Denver.

What is Idaho National Laboratory?

Idaho National Laboratory in Idaho Falls is the Department of Energy's lead lab for nuclear energy research, advanced reactor demonstration, and integrated nuclear fuel cycle research. About 6,200 employees on contract through Battelle Energy Alliance — cleared scientists, engineers, and technical staff working on next-generation reactor designs (NuScale SMR, Natrium, MARVEL microreactor), legacy waste cleanup, and nuclear security. Plus Naval Reactors Facility (Naval Nuclear Propulsion Program training and prototype work) and the Advanced Test Reactor. The cleared engineering pay scale runs DC-area equivalents at Idaho Falls cost-of-living — a meaningful arbitrage for nuclear-track scientists and engineers willing to live in eastern Idaho.

How does Idaho compare to Utah for taxes?

Idaho 5.3% flat vs Utah 4.55% flat. At $100K, Idaho costs about $750/year more on the income-tax line. Idaho property tax (0.69%) vs Utah (0.55%–0.60% effective with the 55%-of-FMV residential factor) — Utah cleaner. Both states have no estate tax. Utah's my529 5% credit is more generous than any Idaho 529 benefit. For most professionals at moderate income, total tax burden delta is $1,000–$1,500/year in Utah's favor. Lifestyle and culture differ materially between Coeur d'Alene / Sandpoint Idaho and the Wasatch Front — for some filers Idaho's smaller-town feel is the deciding factor regardless of tax math.

Guía Fiscal Estatal

Guía de Impuesto Estatal de Idaho (2026)

Idaho compressed five years of incremental rate cuts into a single flat 5.3% rate per HB 521 of 2024 — the cleanest tax-filing structure in the country among non-zero-income-tax states. Boise has been the fastest-growing US metro post-2020, anchored by Micron Technology HQ and HP. Idaho National Laboratory in Idaho Falls is the federal-cleared engineering anchor that doesn't appear on most lists. Property tax runs 0.69% effective. The hard part is Boise housing appreciation that nobody saw coming.

Tasa Máxima Estatal

5.3%

Sueldo Neto con $100k

$74,733

/año (soltero)

Impuesto Estatal sobre $100k

$4,447

declarante soltero

Tramos del Impuesto Estatal de Idaho (2026)

Tasa Marginal	Ingreso Imponible (Soltero)
5.3%	$0→All taxable income — Idaho uses flat rate post-HB 521 of 2024

Cada tasa aplica solo al ingreso dentro de ese tramo. Tu tasa efectiva es el promedio entre todos los tramos — mucho más baja que tu tasa marginal máxima.

Deducción estándar: $16,100 soltero / $32,200 casado declarando conjuntamente

Los tramos reflejan los últimos cronogramas publicados. Algunos estados ajustan los umbrales anualmente por inflación — los importes específicos para 2026 pueden cambiar ligeramente. Verifique con el departamento de impuestos estatal antes de presentar.

Quieres números exactos para tu situación?

La calculadora dedicada de cheque de pago de Idaho te permite ajustar tu salario, estado civil, contribuciones al 401(k) y HSA, dependientes para obtener tu cifra exacta para 2026.

Soltero / MFJ / HOH / MFS401(k) y HSADependientes2026

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