Illinois Crypto Tax Guide (2026): 4.95% Rate, Form IL-1040 & Calculator
Illinois Statutory Rule: Flat 4.95% state individual income tax rate on federal adjusted gross income (includes all short-term and long-term capital gains). Filing authority: Illinois Department of Revenue (Form IL-1040). Use the pre-configured Illinois + Federal + 3.8% NIIT calculator below to compute your exact 2026 liability.
- IRC Section
- 26 U.S.C. §§ 1(h), 1001, 1222 & Illinois (IL) Code
- IRS Form & Line
- Form 8949 / Schedule D + Form IL-1040 (Illinois Department of Revenue)
- 2026 Federal Rate
- Fed 0%/15%/20% LTCG + IL 4.95% Top State Rate
- 3.8% NIIT Applicability
- 3.8% Form 8960 Surtax > $200k Single / $250k MFJ (IRC § 1411)
- 1099-DA Box Mapping
- 1099-DA Box 14 (IL) · Box 15 State ID · Box 16 Withheld
- Statute of Limitations / Rev. Proc.
- 3 Yrs Standard (IRC § 6501(a)) · 6 Yrs >25% Omission · Rev. Proc. 2024-28
▸ Inspect 1200×675 CPA Statutory Workpaper Summary Card (Illinois Crypto Tax 2026: 4.95% Rate & For) WebP 1200×675
2026 Federal + Illinois (IL) Combined Crypto Tax Calculator
IRS Statutory Rule: Illinois Crypto Tax Guide (2026) is governed in 2026 by IRS Rev. Proc. 2025-32 (0%/15%/20% long-term brackets plus 3.8% NIIT) and mandatory Form 1099-DA gross proceeds reporting.
Illinois (IL) 2026 Cryptocurrency Tax Summary
IRS Statutory Rule: Illinois Crypto Tax Guide (2026) establishes the following verified 2026 benchmark values under “Illinois (IL) 2026 Cryptocurrency Tax Summary”: 2026 Top State Capital Gains Rate (4.95% (State Income Tax Applies)), Required State Tax Return & Schedule (Form IL-1040), Long-Term Capital Gains Rule (> 365 Days) (Flat 4.95% state individual income tax rate on federal adjusted gross income (includes all short-term and long-term capital gains).).
| State Tax Authority | Illinois Department of Revenue (Official Portal) |
|---|---|
| 2026 Top State Capital Gains Rate | 4.95% (State Income Tax Applies) |
| Required State Tax Return & Schedule | Form IL-1040 |
| Long-Term Capital Gains Rule (> 365 Days) | Flat 4.95% state individual income tax rate on federal adjusted gross income (includes all short-term and long-term capital gains). |
| Form 1099-DA Boxes 14–16 State Reporting | Brokers report IL state code in Box 14 and gross proceeds/withholding in Boxes 15–16 when your verified KYC residential address is in Illinois. |
| Staking & Mining Ordinary Income Rule | Conforms to IRS Rev. Rul. 2023-14: Fair Market Value at dominion and control is taxed at Illinois's ordinary income rate (up to 4.95%), establishing cost basis for subsequent Form 8949 dispositions. |
| State Securities & Money Transmitter Regulator | Illinois Department of Financial and Professional Regulation (IDFPR) · License Regime: Money Transmitter License (MTL) · Retail Exchange Staking: restricted_by_state_action (Illinois Secretary of State Securities Department joined the June 2023 multi-state staking taskforce; Illinois later dismissed its standalone Coinbase staking lawsuit in April 2025, though platform eligibility remains subject to exchange terms.) |
2026 Worked Tax Scenario in Illinois: $50,000 Long-Term Bitcoin Gain
Assume a Single taxpayer domiciled in Illinois (IL) with $115,000 in W-2 wages sells 1 BTC held for more than 365 days for a net long-term capital gain of $50,000:
- 2026 Federal Long-Term Capital Gains Tax (15% Bracket under Rev. Proc. 2025-32):
$7,500 - Federal 3.8% Net Investment Income Tax (Form 8960):
$0(MAGI of $165,000 is below the $200,000 Single NIIT threshold) - 2026 Estimated Illinois (IL) State Tax (4.95% Statutory Rule):
$2,475reported onForm IL-1040 - Combined Federal + IL Tax Liability:
$9,975(Effective Combined Rate:19.95%)
1099-DA Broker Availability & Staking Rules in Illinois
Custodial brokers operating in Illinois issue IRS Form 1099-DA for 2025/2026 dispositions. Availability of major US platforms for Illinois residents:
- Coinbase 1099-DA Guide: Available
- Kraken 1099-DA Guide: Available
- Gemini 1099-DA Guide: Available
- Robinhood Crypto 1099-DA Guide: Available
- River Bitcoin 1099-DA Guide: Available
Compare Illinois (4.95%) Against Peer & Zero-Tax States
IRS Statutory Rule: Illinois Crypto Tax Guide (2026) establishes the following verified 2026 benchmark values under “Compare Illinois (4.95%) Against Peer & Zero-Tax States”: Idaho (ID) (5.70% · Form 40), Indiana (IN) (2.95% · Form IT-40), Texas (TX) (0.00%).
| State | 2026 Top Rate | State Tax Form | Long-Term Capital Gains Rule |
|---|---|---|---|
| Idaho (ID) | 5.70% | Form 40 | Flat 5.695% state income tax rate; Idaho capital gains deduction applies only to qualifying tangible/real Idaho property, not cryptocurrency. |
| Indiana (IN) | 2.95% | Form IT-40 | Flat 2.95% state income tax rate in 2026 (phasing down to 2.90% in 2027 under HEA 1002), plus county income tax (~1%–3%). |
| Texas (TX) | 0.00% | None (No State Individual Income Tax) | 0% state individual income tax and 0% state capital gains tax (constitutionally prohibited in Texas). |
| California (CA) | 13.30% | Form 540 + Schedule D (540) | None — California taxes all short-term and long-term capital gains as ordinary income up to 13.30% (14.40% when including the 1.1% SDI payroll/high-earner surcharge where applicable). Highest state capital gains rate in the US. |
Federal + State Stacking
1099-DA State Reporting
Wallet-by-Wallet Accounting
2026 IRS Compliance Chain, Form 1099-DA Workflow & Disallowance Rules: Illinois Crypto Tax Guide (2026)
IRS Statutory Rule: Illinois Crypto Tax Guide (2026) is governed in the 2026 tax year by IRC §§ 1001, 1221, and 1222, IRS Notice 2014-21, Rev. Proc. 2024-28, and Rev. Proc. 2025-32, taxing short-term dispositions (≤ 365 days) at ordinary rates up to 37% and long-term gains (> 365 days) at 0%, 15%, or 20% plus the 3.8% Net Investment Income Tax (NIIT).
- Segregate Per-Wallet Cost Basis Pools (Rev. Proc. 2024-28): The taxpayer maintains separate FIFO or Specific-ID cost basis ledgers for each custodial broker and each self-custodied wallet address.
- Ingest Broker Form 1099-DA Statements: By February 15, custodial exchanges issue Form 1099-DA reporting gross proceeds (Box 1f) and covered cost basis for each digital asset sale or swap.
- Classify Ordinary Income vs. Capital Gains: Staking rewards, mining payouts, and airdrops are recorded on Schedule 1 / Schedule C at fair market value in USD at the exact timestamp of dominion and control.
- Populate IRS Form 8949 (Parts I & II): Dispositions are separated into Part I (Short-Term ≤ 365 days) and Part II (Long-Term > 365 days) using Checkboxes G, H, I (short-term) or J, K, L (long-term).
- Apply State Income Tax Conformity: Net capital gains flow from federal Schedule D to the taxpayer's state return (0% in AK, FL, NV, NH, SD, TN, TX, WA, WY vs. up to 13.3% in California).
- Answer the Form 1040 Digital Asset Question: The filer checks “Yes” or “No” on page 1 of Form 1040 and retains cryptographic transaction logs for the 3-to-6-year IRS statute of limitations (IRC § 6501).
Statutory Myth Debunked (Restriction): A tax-free crypto-to-crypto or BTC-to-USDT stablecoin swap under IRC § 1031 like-kind exchange rules does not exist: Congress restricted IRC § 1031 exclusively to real property under the Tax Cuts and Jobs Act, making every coin-to-coin trade, DeFi liquidity swap, and stablecoin conversion an immediately taxable disposition under IRC § 1001.
To model exact liabilities for Illinois Crypto Tax Guide (2026), run the 2026 federal and 50-state crypto capital gains tax calculator incorporating IRS Rev. Proc. 2025-32 brackets (0%, 15%, 20%) plus 3.8% NIIT (short-term vs long-term 365-day holding threshold), verify reporting codes in our interactive IRS Form 1099-DA box-by-box reconciliation guide under Treasury Decision 10000 (89 FR 56480) gross proceeds reporting (Form 8949 Part I and Part II adjustment codes), and review wallet-by-wallet cost basis allocation under Rev. Proc. 2024-28 (mandatory per-account FIFO/Specific ID tracking from January 1, 2026).
2026 IRS Form 1099-DA & 8949 Filing Readiness Tracker
0 / 4 Complete2026 IRS Rev. Proc. & State Tax Rate Dispatch
Title 26 AlertsReceive instant CPA alerts when the IRS issues new Form 1099-DA guidance, Internal Revenue Bulletins, or 50-state capital gains rate amendments—or download this page's statutory workpaper `.txt` file.
Statutory Frequently Asked Questions & IRS Citations
IRS Statutory Rule: Illinois Crypto Tax Guide (2026) is governed in 2026 by IRS Rev. Proc. 2025-32 (0%/15%/20% long-term brackets plus 3.8% NIIT) and mandatory Form 1099-DA gross proceeds reporting.
How are cryptocurrency capital gains taxed in Illinois (IL) in 2026?
In Illinois, cryptocurrency dispositions are reported to the Illinois Department of Revenue on Form IL-1040 with a top 2026 state capital gains rate of 4.95%. Flat 4.95% state individual income tax rate on federal adjusted gross income (includes all short-term and long-term capital gains).
Does Illinois receive a copy of my IRS Form 1099-DA from Coinbase or Robinhood?
Yes. Custodial brokers populate Box 14 (IL) on IRS Form 1099-DA for Illinois residents, and the IRS shares 1099-DA data with the Illinois Department of Revenue through federal-state information-sharing agreements.
How does Illinois (IL) tax short-term vs long-term cryptocurrency capital gains in 2026?
For the 2026 tax year, Illinois applies a top state marginal rate of 4.95% via Form IL-1040 administered by the Illinois Department of Revenue. Flat 4.95% state individual income tax rate on federal adjusted gross income (includes all short-term and long-term capital gains). When stacked with the 2026 federal capital gains brackets (up to 37% short-term or 20% long-term under Rev. Proc. 2025-32) plus the 3.8% Net Investment Income Tax (IRC § 1411), Illinois residents must report both federal Form 8949 dispositions and state residency allocations.
Do custodial exchanges report Illinois resident crypto sales on IRS Form 1099-DA Boxes 14–16?
Yes. Under Treasury Decision 10000 (Treas. Reg. § 1.6045-1), custodial brokers record your verified state of residence in Form 1099-DA Box 14 (IL), state identification number in Box 15, and any state tax withheld in Box 16. The Illinois Department of Revenue cross-matches federal 1099-DA and Schedule D transcripts against your Form IL-1040 return.
Are crypto staking, mining, and airdrop rewards taxed as ordinary income in Illinois?
Yes. Under IRS Revenue Ruling 2023-14 and IRC § 61, staking, mining, and airdrop rewards are recognized at fair market value upon dominion and control. In Illinois, that ordinary income is reportable on Form IL-1040 alongside your federal Schedule 1 (Line 8z) or Schedule C, and establishes the initial cost basis for future Form 8949 dispositions.
Can Illinois taxpayers use the $3,000 federal capital loss deduction and Rev. Proc. 2024-28 wallet accounting?
Yes. Illinois conforms to federal IRC § 1012 cost basis identification rules, meaning you must maintain wallet-by-wallet cost basis records under Rev. Proc. 2024-28. Net capital losses reported on federal Schedule D Line 21 (up to -$3,000 per year under IRC § 1211(b), with unlimited carryforward under § 1212(b)) flow into your Illinois Form IL-1040 computation according to state conformity rules.