Porter, Indiana sales tax rate: 7%
Last updated Checked monthly
The sales tax rate in Porter, Indiana is 7%. That’s the 7% state rate, with no local taxes. It’s the highest combined rate Indiana allows, and 157 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Porter combined rate
7%
- Indiana state
- 7%
Porter sales tax calculator
Enter a price and what you’re selling.
- IndianaState · 7%$7.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoPorter sales tax rate breakdown
State taxes add up to 7%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Indiana | State | 7% |
| Combined rate | 7% |
Rate history
- July 20237%
- July 20247%
- July 20257%
- July 20267%
- Today7%
No change since July 2023.
Sales tax near Porter
Closest cities
- Dune Acres2 mi7%
- Burns Harbor2 mi7%
- Portage6 mi7%
- New Chicago11 mi7%
- Pottawattamie Park13 mi7%
- Gary14 mi7%
- Merrillville16 mi7%
- La Porte19 mi7%
Elsewhere in Porter County
Charge the right rate in Porter, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Indiana return for you, with a sales tax team you can call.
Porter sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Porter, Indiana?
The combined sales tax rate in Porter is 7% as of November 2, 2026. It’s made up of 7% Indiana state tax.
Does the sales tax rate vary within Porter?
Porter has no special-district taxes, so most addresses in the city pay the same 7%: Indiana’s 7%. This rate was calculated for Porter’s 46304 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Porter?
No.
Do online sellers have to collect sales tax in Porter?
Yes, if they have nexus in Indiana: more than $100,000 in Indiana sales in the previous or current calendar year, or a physical presence in the state. They register with the Indiana Department of Revenue and charge the rate at the buyer’s address.
Sources. Indiana Department of Revenue · Zamp Sales Tax API, for Porter’s 46304 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every Indiana return and handles notices, with a sales tax team you can call.
#1 rated support on G2
