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Illinois vs Indiana Estate and Inheritance Tax

Indiana ranks more death-tax friendly than Illinois on estate and inheritance treatment. Compare estate exemptions, inheritance rules, and federal estate interaction.

By Sammy S. · Founder · AuthorUpdated for 2026

More death-tax friendly on this model

Indiana ranks ahead

Indiana ranks #1 vs #45 for Illinois. Score gap: 31.00 (lower score = more friendly).

Side-by-side estate and inheritance scoreboard

Illinois

#45

death-tax friendliness rank

Category
Estate tax only
Estate exemption
$4M
Top estate rate
16%
Inheritance: No
Illinois profile →

Indiana

#1

death-tax friendliness rank

Category
No state death tax
Estate exemption
—
Top estate rate
—
Inheritance: No
Indiana profile →

Estate and inheritance metric comparison

Side-by-side indicators for planning. Actual liability depends on estate size, heir relationship, situs of property, and filing elections.

MetricIllinoisIndiana
Friendliness rank#45#1
Death-tax categoryEstate tax onlyNo state death tax
Estate taxYesNo
Estate exemption$4M—
Estate top rate16%—
Inheritance taxNoNo

State rules explained

Why Illinois and Indiana differ on death taxes

Estate exemptions, top rates, and inheritance class rules can each flip which state looks better for a given estate and set of heirs.

Illinois rules

Illinois levies a state estate tax with an exemption of about $4M and a top rate near 16%. No separate inheritance tax.

Illinois’s estate exemption is $4M; there is no state inheritance tax. Most states do not offer federal-style portability of unused estate exemption to a surviving spouse.

Category
Estate tax only
Rank
#45
Read the Illinois profile →

Indiana rules

Indiana has no state estate tax and no state inheritance tax for 2026.

Federal estate tax can still apply above the federal exemption even when the state has no death tax.

Category
No state death tax
Rank
#1
Read the Indiana profile →

Estate vs inheritance

Estate tax is paid by the estate before distribution. Inheritance tax is paid by the heir—often based on relationship class.

Federal layer still applies

Federal estate tax uses about $15M per person (40% top rate). State tax can apply below that threshold.

Heir estimates

For KY, MD, NE, NJ, and PA, use the inheritance tax calculator with relationship and amount for a modeled heir bill.

Illinois vs Indiana estate and inheritance tax FAQs

Illinois: yes ($4M exemption). Indiana: no.

Illinois: no. Indiana: no.

Indiana ranks more friendly (#1 vs #45).

Federal estate tax uses about $15M per person in 2026. State estate or inheritance tax can still apply below that threshold.

Use the Inheritance Tax Calculator for relationship-based estimates in KY, MD, NE, NJ, and PA.