The Illinois tax comparison

Illinois’s 4.95% flat rate is modest by high-tax-state standards.  Unlike California or New York, where state tax alone makes Beckham’s 24% clearly favorable for most incomes, Illinois residents face a more nuanced comparison: the state tax savings are smaller, so the overall case depends more on income level and cost of living.

Example: Illinois remote worker, $120,000 gross income

Staying in Illinois

Federal income tax (~22% effective): ~$18,000

Illinois state income tax (4.95%): ~$5,940

Social Security + Medicare: ~$7,200

Total: ~$31,140 (25.9% effective)

Moving to Spain (Beckham Law)

Spanish IRPF (Beckham 24% flat): ~€26,400

Employee SS contribution (6.35%): ~€6,985

U.S. federal (FEIE/FTC may reduce): ~€0–⁠2,000

Total: ~€33,385+ (~30% effective)

Numbers are rough estimates for planning.  FEIE eligibility and U.S. foreign tax credit interactions require a CPA familiar with U.S. expat taxation.  Spanish Social Security is capped at a maximum contribution base, so at higher salaries the SS figure is lower than a flat 6.35% implies.  Assumes $1 = €0.92 and standard deductions.  Consult a tax advisor for your exact situation.

Estimate your tax

Beckham Law Tax Calculator

Compare what you’d keep under Spain’s 24% flat expat rate vs. the standard progressive rates.

At $120k, an Illinois resident in Spain pays modestly more in income tax than in Illinois.  The 5% state tax savings do not fully offset the Spanish SS contribution.  The comparison improves significantly above $200,000, where Beckham’s flat 24% beats the higher U.S. federal brackets.

The cost of living gap is where Illinois applicants find their real argument for Spain: a well-located 1BR in Lincoln Park or River North runs $2,200–⁠$3,200/month; the equivalent in Madrid or Valencia is €950–⁠€1,500.  For Chicago remote workers paying high downtown rents, Spain delivers a clear quality-of-life upgrade.

Why Illinois remote workers apply

Chicago is a major hub for finance, consulting, tech, and professional services, industries well-represented among Spain DNV applicants.  The specific reasons Illinois residents apply:

  • High-income professionals above $200k: Beckham’s 24% flat beats the combined federal + IL burden at higher income levels, especially for finance and consulting professionals
  • Chicago rent costs: River North, Lincoln Park, and Gold Coast rents have risen to levels where Spain is genuinely cost-competitive
  • Weather differential: Chicago’s winter is harsh; Spain’s Mediterranean coast offers a lifestyle that is genuinely different rather than merely relabeled
  • Professional services firms: McKinsey, Deloitte, Accenture, and similar firms have established remote-work policies that make the DNV employer documentation straightforward
  • Direct flights from O’Hare: ORD → MAD (Iberia and American direct) makes Spain one of the most accessible European countries from Chicago

Illinois-specific application notes

Your consulate: Chicago

Illinois residents apply through the Spanish Consulate General in Chicago. The Chicago consulate also covers Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota and Wisconsin: a broad Midwest jurisdiction.  Processing times at Chicago are typically shorter than the coastal offices (New York, San Francisco), which makes it a practical choice even for applicants in the region who have flexibility on where they are based when applying.

The Chicago office is familiar with the DNV document package.  Appointment windows typically run 3–⁠6 weeks, faster than average for a major U.S. consulate.

Illinois state residency termination

Illinois taxes residents on worldwide income.  To properly terminate Illinois residency, you need to: establish a new domicile in Spain (signed lease, empadronamiento registration, NIE), change your Illinois driver’s license and vehicle registration, and ensure you do not maintain a permanent home in Illinois while spending more than 183 days there in the year.

Illinois is less aggressive than California or New York in asserting continued residency after you leave, but it is not passive.  File a final Illinois state return for the year you depart, and document your move date clearly.

Income level and the Beckham comparison

For Illinois residents, the tax math improves noticeably at higher income levels.  At $80k–$120k, Beckham is roughly equivalent to staying in Illinois (modestly higher when SS contributions are included).  At $200k+, Beckham’s flat 24% starts to clearly beat the combined federal bracket + 4.95% state rate.  Finance professionals, senior consultants, and tech managers in this range often find the tax case compelling in its own right, separate from cost of living.

Use the income eligibility checker to confirm your household meets the minimum DNV threshold (~€2,849/month for the primary applicant).

Chicago financial sector — specific documentation note

Chicago’s large finance sector includes firms (CME Group, Citadel, trading firms) that have or operate through Spanish entities.  If your employer has a Spanish presence, your employer letter must explicitly confirm you are not assigned to any Spanish operations.  This language is standard but must be accurate.  Non-Spanish-source income is the basis of the DNV’s Beckham eligibility.

Apostilles from Illinois: what goes to the state office

Three documents in a Digital Nomad Visa file can send you to the Illinois apostille office: a notarised true copy of your university degree (apostilled where the notary is commissioned), birth and marriage certificates issued in Illinois for a family file, and a certificate of incorporation or good standing if your own company is registered here.  The FBI check and the SSA Certificate of Coverage are federal and go to the U.S. Department of State instead; a state apostille on either is wasted.

State apostille · Illinois

Illinois Secretary of State, Index Department

Fee
$2 per document
In person
Same day while you wait, in Springfield or Chicago
By mail
7 to 10 business days, plus mailing
Where
111 E. Monroe, Springfield, IL 62756; Chicago office at 17 N. State Street, Suite 1030, Chicago, IL 60602

Official page: www.ilsos.gov. Fee and turnaround as published on 3 October 2026; if the office’s own page says otherwise, the office wins.

Getting started from Illinois

Time the FBI background check to your filing date, with a channeler and an apostille expeditor it takes about three weeks, and it is valid for six months from issue, so ordering it too early only makes it expire.  Before that, gather your employment documentation, apostille your degree, and confirm your income meets the threshold. Full guide to the FBI background check and apostille →

Many Chicago applicants use the in-Spain filing route: fly direct ORD → MAD, enter Spain as a tourist, and file directly with the UGE for the 3-year TIE residence permit.  This bypasses the Chicago consulate appointment entirely and issues a 3-year permit from day one.  Chicago’s direct Madrid flight makes this one of the most practical in-Spain routes from the Midwest.