Has Idaho sued Polymarket US or ordered it to stop?

Not that we have found. We have no cease-and-desist letter, state lawsuit, court order or settlement in Idaho that names Polymarket US, as of Oct. 21, 2026.

How old do you have to be to use Polymarket US in Idaho?

18. That is Polymarket US's minimum age, and it lists no different rule for Idaho.

Is sports betting legal in Idaho?

Not legal. No legal sports betting; LSR lists Idaho among states without it.

Which court will decide whether Idaho can regulate Polymarket US?

Federal appeals from Idaho go to the Ninth Circuit, which ruled for the states on Aug. 28, 2026. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.

ID · Polymarket US · Checked Oct. 21, 2026

Is Polymarket US legal in Idaho?

No restriction found Idaho: No public action found

The short answer

Polymarket US does not publish a list of states where it is unavailable, and we found no court order, regulator action or Polymarket US notice that stops it from serving Idaho as of Oct. 22, 2026.

We found no public action by Idaho officials against Polymarket US or any other prediction market.

Federal appeals from Idaho go to the Ninth Circuit, which ruled for the states on Aug. 28, 2026.

Availability: Polymarket App Terms & Conditions (ISV Front End), effective October 22, 2026 (embedded at polymarket.us/tos), checked Oct. 22, 2026. A summary of public actions, not legal advice.

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Cite this page

Bluebook

Is Polymarket US Legal in Idaho?, Prediction Market Laws (last updated Oct. 22, 2026), https://predictionmarketlaws.com/platforms/polymarket/idaho.

APA

Prediction Market Laws. (2026, October 22). Is Polymarket US Legal in Idaho?. https://predictionmarketlaws.com/platforms/polymarket/idaho

What Idaho has done about Polymarket US

No public action by Idaho names Polymarket US. Idaho has taken 2 other actions on prediction markets: see prediction market law in Idaho.

Court cases

We track no case between Polymarket US and Idaho.

The legal backdrop in Idaho

State status: No public action foundWe found no public enforcement, litigation or enacted law. Pending bills may still be listed on the state's page.
Online sports betting: Not legalNo legal sports betting; LSR lists Idaho among states without it.
Federal appeals court: Ninth CircuitRuled for the states.
Who regulates: Idaho Office of the Attorney General
Laws and bills: None specific to prediction markets

Using Polymarket US in Idaho

Minimum age: 18
Identity checks: Polymarket US requires date of birth, a phone number confirmed by text code, legal name, residential address and Social Security number. Most users are verified automatically; others may be asked for a government-issued ID and a selfie check. KYC must be completed before depositing or trading, and the terms require KYC, AML and sanctions screening. Source

Other platforms in Idaho

KalshiNo restriction found
Polymarket USNo restriction found
Gemini PredictionsNo restriction found
RobinhoodNo restriction found
Crypto.comNo restriction found
CoinbaseNo restriction found
WebullNo restriction found
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Questions people ask

Is Polymarket US legal in Idaho?: Polymarket US does not publish a list of states where it is unavailable, and we found no court order, regulator action or Polymarket US notice that stops it from serving Idaho as of Oct. 22, 2026. We found no public action by Idaho officials against Polymarket US or any other prediction market. This summarises public actions; it is not legal advice.
Has Idaho sued Polymarket US or ordered it to stop?: Not that we have found. We have no cease-and-desist letter, state lawsuit, court order or settlement in Idaho that names Polymarket US, as of Oct. 21, 2026.
How old do you have to be to use Polymarket US in Idaho?: 18. That is Polymarket US's minimum age, and it lists no different rule for Idaho.
Is sports betting legal in Idaho?: Not legal. No legal sports betting; LSR lists Idaho among states without it.
Which court will decide whether Idaho can regulate Polymarket US?: Federal appeals from Idaho go to the Ninth Circuit, which ruled for the states on Aug. 28, 2026. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.