Illinois species

Brown Trout in Illinois

brown trout under the 2026 IDNR digest.

  • 5 a daylimit
  • 36 lbs 11.5 ozrecord
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Photo of the species, not an Illinois water: robposse, CC BY 2.0

Illinois fish

What IDNR prints about brown trout

Open the 2026 digest to "Trout and Salmon" for the Illinois brown trout rule. The digest wording starts with "Daily harvest limit is 5 trout or salmon, either singly or in the aggregate." Everything named on that row shares one total where a limit applies.

The hook and line entry reads 36 lbs 11.5 oz, Lake Michigan, 1997. Stocking rows add up to 593,301 in 1 water.

5 a daystatewide
36 lbs 11.5 ozstate record
0water pages
593,301stocked 2021-26
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Limits

Keeping brown trout legally in Illinois

Row as printedDailySize
Trout and Salmon5 (combined)no statewide size limit printed

Daily harvest limit is 5 trout or salmon, either singly or in the aggregate.

IDNR 2026 Illinois Fishing Information digest (IDNR) page 10, read November 4, 2026.

The full IDNR license and limit page

Lake Michigan

How Lake Michigan entry treats brown trout

Species as printedRule as printed
Trout and Salmon10 inch Minimum Length Limit; 5 Fish Daily Harvest Limit, singly or in the aggregate, except for Lake Trout

Lake Michigan rules and stamps

IDNR Lake Michigan fishing page and Lake Michigan entry of the 2026 Illinois Fishing Information digest (IDNR), read November 4, 2026.

Records

Illinois record-book brown trout

DivisionWeightWaterCountyDate
hook and line36 lbs 11.5 ozLake MichiganCook CountyJune 22, 1997

IDNR Illinois state record fish list (keeper: Illinois Department of Natural Resources; no angler names printed), read November 4, 2026.

Stocking

The brown trout stockings IDNR listed

YearWater as listedNumberSize class
2026Lake Michigan105,744Advanced Fingerling (4 – 7")
2025Lake Michigan119,196Advanced Fingerling (4 – 7")
2024Lake Michigan126,578Advanced Fingerling (4 – 7")
2023Lake Michigan118,023Advanced Fingerling (4 – 7")
2022Lake Michigan123,760Advanced Fingerling (4 – 7")

IDNR fish stocking table on ifishillinois.org (year, water, species, size class and number as listed; no stocking dates published), read November 4, 2026.

Related fish

More Prairie State species near brown trout

Photos

The ponds and rivers around Brown Trout, photographed

Montrose Harbor, Illinois
Montrose Harbor
Photo: Alaina McDavid, CC BY-SA 2.0
Cicero, Illinois
Cicero
Photo: David Wilson, CC BY 2.0
Evanston, Illinois
Evanston
Photo: Christian Collins, CC BY-SA 2.0
Oak Lawn, Illinois
Oak Lawn
Photo: Village of Oak Lawn, CC BY 2.0
Answers

Chasing brown trout across the Prairie State: answers

What is the Illinois daily limit for brown trout?

5 combined a day under the statewide row; no statewide size limit printed. A water's own digest entry may tighten that.

Where did the Illinois brown trout record come from?

The hook and line mark is 36 lbs 11.5 oz (Lake Michigan, 1997). No angler is named on the IDNR list.

Which statefishingspots Illinois pages mention brown trout?

No Illinois lake page lists it at this point.

Does the digest print special brown trout rules anywhere?

No site-specific entry names it, though all-fish entries such as pole limits still apply.

Is brown trout in the IDNR stocking table?

The table shows 593,301 in 1 water (2022, 2023, 2024, 2025 and 2026).

Which Illinois license covers brown trout?

Anglers 16 and older carry an Illinois fishing license ($15 a year for residents, $31.50 for nonresidents in 2026). The digest also requires the $6.50 Salmon Stamp to take salmon or trout in Lake Michigan. Taking trout from other Illinois waters needs the $6.50 Inland Trout Stamp.

How does IDNR split its brown trout records?

Hook and line records, plus a separate bow and arrow list. IDNR lists 1 record row for it.

Which IDNR outlook grades mention brown trout?

It is not graded in any IDNR lake outlook on this site.

Find brown trout near your Illinois base

Start from a water above for its IDNR ramps.