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Illinois & Indiana Capital Gains Tax Calculator

Combines federal long-term rates with Illinois’s 4.95% state treatment.

Illinois, Indiana share this page. Their rules produce the same answer to within a rounding difference, so publishing separate near-identical pages would add URLs without adding information. Every figure below applies to both states.

Illinois capital gains estimator

Combines federal long-term rates with Illinois’s 4.95% state treatment.

Total tax on the gain —
Federal —
Illinois state —
Net investment income tax —
You keep —

Figures computed from Tax Foundation (2024-2026 rate tables) and Internal Revenue Service (current tax year). Page last reviewed 2026-08-27. Estimates only — verify with the relevant agency before acting.

Illinois at a glance

FigureIllinoisSource
State capital gains rate4.95%[1]
State top marginal rate4.95%[1]
Federal long-term rates0% / 15% / 20%[2]
Net investment income tax3.8% above $200,000[2]

[1] [2] Sources

State capital gains rate — all 50 states

Illinois highlighted. Same data as the table below, shown as a distribution so the comparison is visible at a glance.

State capital gains rate — all 50 states. Illinois is 4.95%, ranked 24 of 50. The national median is 4.55%, the highest is 13.30% (California), and the lowest is 0.00% (Wyoming). CA 13.30% NY 10.90% NJ 10.75% OR 9.90% MN 9.85% MA 9.00% VT 8.75% WI 7.65% HI 7.25% ME 7.15% WA 7.00% CT 6.99% DE 6.60% MD 6.50% RI 5.99% NM 5.90% ID 5.80% VA 5.75% MT 5.65% KS 5.58% SC 5.21% AL 5.00% GA 4.99% IL 4.95% WV 4.58% NE 4.55% OK 4.50% UT 4.50% CO 4.40% MI 4.25% MS 4.00% NC 3.99% AR 3.90% IA 3.80% KY 3.50% OH 3.50% PA 3.07% LA 3.00% IN 2.95% AZ 2.50% ND 2.50% AK 0.00% FL 0.00% MO 0.00% NV 0.00% NH 0.00% SD 0.00% TN 0.00% TX 0.00% WY 0.00%

Highlighted: Illinois, ranked 24 of 50. Median 4.55%.

Illinois tax by gain size and other income

Total tax (federal + Illinois + NIIT) on a long-term gain.

Capital gain$40,000 income$60,000 income$80,000 income$100,000 income$150,000 income$200,000 income$300,000 income$500,000 income
$10,000$578$1,995$1,995$1,995$1,995$2,375$2,375$2,375
$20,000$2,573$3,990$3,990$3,990$3,990$4,750$4,750$4,750
$30,000$4,568$5,985$5,985$5,985$5,985$7,125$7,125$7,125
$40,000$6,563$7,980$7,980$7,980$7,980$9,500$9,500$9,500
$50,000$8,558$9,975$9,975$9,975$9,975$11,875$11,875$12,100
$65,000$11,550$12,968$12,968$12,968$13,538$15,438$15,438$16,413
$80,000$14,543$15,960$15,960$15,960$17,100$19,000$19,000$20,725
$100,000$18,533$19,950$19,950$19,950$21,850$23,750$23,750$26,475
$125,000$23,520$24,938$25,128$25,888$27,788$29,688$29,688$33,663
$150,000$28,508$30,305$31,065$31,825$33,725$35,625$35,625$40,850
$200,000$40,003$42,180$42,940$43,700$45,600$47,500$47,500$55,225
$250,000$51,878$54,055$54,815$55,575$57,475$59,375$59,600$69,600
$350,000$75,628$77,805$78,565$79,325$81,225$83,350$88,350$98,350
$500,000$111,253$114,155$115,915$117,675$122,075$126,475$131,475$141,475
$650,000$154,103$157,280$159,040$160,800$165,200$169,600$174,600$184,600
$800,000$197,228$200,405$202,165$203,925$208,325$212,725$217,725$227,725
$1,000,000$254,728$257,905$259,665$261,425$265,825$270,225$275,225$285,225
$1,500,000$398,478$401,655$403,415$405,175$409,575$413,975$418,975$428,975

Worked figures for Illinois

Illinois values:

GainFederalStateNiitTotalEffective
$25,000$3,750$1,238$0$4,98819.95%
$50,000$7,500$2,475$0$9,97519.95%
$75,000$11,250$3,713$0$14,96319.95%
$100,000$15,000$4,950$0$19,95019.95%
$150,000$22,500$7,425$1,900$31,82521.22%
$200,000$30,000$9,900$3,800$43,70021.85%
$300,000$45,000$14,850$7,600$67,45022.48%
$500,000$77,725$24,750$15,200$117,67523.54%
$750,000$127,725$37,125$24,700$189,55025.27%
$1,000,000$177,725$49,500$34,200$261,42526.14%

How Illinois compares nationally

On state capital gains rate, Illinois ranks #24 of 50 at 4.95% — 9% above the median of 4.55%. The national range runs from 0.00% (Wyoming) to 13.30% (California).

RankStateState capital gains rate
#22Alabama5.00%
#23Georgia4.99%
#24Illinois4.95%
#25West Virginia4.58%
#26Nebraska4.55%

Flat state rate on gainss, ranked

Same rule structure as Illinois:

StateState capital gains ratevs Illinois
Washington7.00%+41.4%
Illinois4.95%—
North Carolina3.99%-19.4%
Ohio3.50%-29.3%
Pennsylvania3.07%-38.0%

Illinois questions, answered with Illinois numbers

Does Illinois tax capital gains?▾
Yes. Illinois applies 4.95% to capital gains. On a $100,000 long-term gain that is $4,950 in state tax, on top of $15,000 federal.
What would I owe on a $500,000 gain in Illinois?▾
About $117,675 total — $77,725 federal, $24,750 to Illinois, and $15,200 net investment income tax. You would keep roughly $382,325, an effective rate of 23.54%.
How does Illinois compare with a no-tax state?▾
Realising a $500,000 gain in Illinois costs $24,750 more than realising it in a state with no capital gains tax, such as Florida or Texas.

Other flat state rate on gainss

Ohio Washington North Carolina Pennsylvania

Last reviewed 2026-08-27. Illinois figures only — verify with the relevant Illinois agency before acting. How this is calculated.