1. Caesars Sportsbook Indiana
Caesars takes our top spot in Indiana chiefly on its horse racing coverage, which runs deeper here than anything else we tested. The sign-up offer is an unusual one as well: stake a single dollar and your next ten bets pay double, capped at $25 a boost. Withdrawals reached us inside a day and the app scores 4.7 on iOS.
- Sign-up bonus: Bet $1 & double your winnings on your next 10 bets
- Payout speed: Up to 24 hours
- App store rating: 4.7 (iOS), 4.3 (Google Play)
- Visit Site: Caesars Sportsbook
Best For Horse Racing
Caesars Sportsbook
Bet $1, x2 Winnings Your Next 10 Bets
- Deepest horse racing coverage in Indiana
- Payouts inside 24 hours
Full T&Cs Apply! New customer offer. Please gamble responsibly. 21+
2. BetMGM Indiana
BetMGM runs Caesars close, and at 95.19% it posts the best payout rate on this page. The opening offer puts $1,000 behind a losing first bet, with a single round of wagering to clear, and the breadth is there too: more than thirty sports listed and the strongest parlay boosts we found in the state.
- Sign-up bonus: Up to $1,000 first bet offer
- Payout speed: Up to 48 hours
- App store rating: 4.8 (iOS), 4.3 (Google Play)
- Visit Site: BetMGM
Best Parlay Boosts
BetMGM
Up to $1,000 First Bet Offer
- Best parlay boost available
- Over 30 sports available
T&Cs Apply. New customer offer. Always gamble responsibly. 21+
Top Sports Betting Bonuses & Offers in Indiana
Most bettors compare the opening offer before anything else, though the clearing terms matter more: check the wagering multiple, the minimum price and how long you have to use it. Indiana’s offer is set out below.
Average Payout, Odds and Lines at Sportsbooks
It pays to know what an Indiana book returns before you decide where your action goes.
- BetMGM – 95.19% Payout Rate
- Caesars Sportsbook – 94.20% Payout Rate
The gap between those figures is the vig, the slice each book keeps from a market. A point either way changes what a winning bet hands back, and the number shifts by sport, so read it as a guide rather than a promise.
Apps for Betting in Indiana
The Indiana app we rate highest sits below, with whatever bonus it is running.
Most Bet Offers Available
BetMGM
- Most bet offers available
- Over 30 sports available
T&Cs Apply. New customer offer. Always gamble responsibly. 21+
Both books here offer iOS and Android versions that are as locked down as the desktop product, which leaves no penalty for betting on the move.
Indiana Sports Betting: Legal Aspects
Indiana has allowed online sports wagering since 2019, though the law stops at sport: casino games and poker remain off limits. Every book taking Indiana bets needs a Gaming Commission licence, and anything without one is operating outside it.
IN Online Betting Sites List: All Legal IN Online Sportsbooks
Both Indiana sportsbooks we rate hold a licence from the Indiana Gaming Commission.
List of Legal Online Sportsbooks in Indiana
- Caesars Sportsbook
- BetMGM
Indiana makes every online book run through a land-based casino licence, and that casino is where its retail counter sits.
How We Rank Indiana Betting Sites
Each Indiana sportsbook is measured against the same checklist, and these are the points that decide where it lands.
Bonuses and Promotions
An opening offer has to be worth claiming, and the promotions need to keep coming once it is gone. Wagering terms must be realistic.
Payouts & Odds
We publish each book’s average payout rate because the vig comes straight out of your return.
Betting App
A book only makes this page if its iOS and Android apps hold up as well as the desktop site.
Deposit & Payout Times
Deposits should clear at once and withdrawals should not drag. Fees are a mark against a book.
Legality
Nothing is listed without a current Indiana Gaming Commission licence.
Customer Service
Live chat and email are the floor, with the Gaming Commission available if a complaint goes nowhere.
Indiana Sports Betting Facts
A quick summary of where Indiana sports betting stands in 2026:
- Regulator: Indiana Gaming Commission
- Legal Age: Bettors must be 21 or over and inside state lines
- Number of Sportsbooks: More than ten online sportsbooks hold an Indiana license
- Tax: Winnings face 24% federal withholding plus Indiana’s flat 2.95% income tax
- Allowed: Pro leagues, college games, and both online and retail wagering
- Not Allowed: Online casino games, and non-sport events such as elections or award shows
Responsible Gambling in Indiana
Problem gambling is treated seriously in Indiana, and the Indiana Council on Problem Gaming is there if the best Indiana betting sites start causing you difficulty. The Indiana Gaming Commission also runs a Voluntary Exclusion Program: sign up for one year, five years or life and you will be barred from every casino in the state, and from betting online, for that period.
The National Council on Problem Gambling and Gamblers Anonymous can help wherever you are. The NCPG runs a confidential helpline on 1-800-522-4700, staffed around the clock and free to call.
Conclusion
Indiana has had legal online betting since 2019, long enough for the market to settle and for the better apps to pull clear of the rest. Whichever you pick here is licensed in-state. The states that came later are covered in the US betting sites guide.
FAQ
What is the best betting site in Indiana?
Caesars Sportsbook is our number one pick in Indiana, mainly for its horse racing markets. BetMGM comes second and posts the better payout rate at 95.19%.
Are there any new betting sites in Indiana?
Yes. ESPN BET was rebranded as theScore Bet in December 2025, and that is the newest app Indiana bettors will see.
Is there a list of the Indiana betting sites?
Yes. This page lists the Indiana books we rate, each shown with the land-based casino its licence runs through.
Are Indiana betting sites safe?
Yes. Every book on this page holds a live Indiana licence, and the regulator vets operators before they can accept a bet.
How does Indiana make money from betting sites?
Operators hand the state 9.5% of their adjusted gross revenue. Winners pay separately: the IRS withholds 24%, and Indiana adds its flat 2.95%.
Is online betting in Indiana also legal?
Yes. Indiana opened its online market in 2019 and it has run without interruption since.
How can I solve a dispute with an Indiana online sportsbook?
Work through the sportsbook's own complaints process first. If that gets nowhere, the Indiana Gaming Commission will take the case.