# Montgomery County, OH Sales Tax Rate (2026)

Canonical: https://trykintsugi.com/sales-tax-guides/usa/ohio/montgomery-county
Published: 2026-09-01

The most common combined sales tax rate in Montgomery County, OH is 7.5% as of September 2026: 5.75% state and 1.75% county. Rates across the county's 46 ZIP codes range from 6.75% to 7.5%, depending on the city and special districts. Ohio's state rate is 5.75%, so local taxes add 1.75% here.

| Component | Rate |
| --- | --- |
| State | 5.75% |
| County | 1.75% |
| City | 0% |
| Special district | 0% |
| **Combined** | **7.5%** |

Source: Kintsugi's rate table, as of September 2026. Official rates: [Ohio Department of Taxation — Sales and Use Tax](https://tax.ohio.gov/business/sales-and-use-tax).

## Sales tax rates by place in Montgomery County

| Place | Combined rate | ZIP codes |
| --- | --- | --- |
| Dayton | 7.5% | 36 |
| Miamisburg | 7.5% | 2 |
| Brookville | 7.5% | 1 |
| Clayton | 7.5% | 1 |
| Englewood | 7.5% | 1 |
| Farmersville | 7.5% | 1 |
| Germantown | 7.5% | 1 |
| New Lebanon | 7.5% | 1 |
| Phillipsburg | 7.5% | 1 |
| Vandalia | 7.5% | 1 |

## Montgomery County sales tax rates by ZIP code

| ZIP | Combined rate |
| --- | --- |
| 45309 | 7.5% |
| 45315 | 7.5% |
| 45322 | 7.5% |
| 45325 | 7.5% |
| 45327 | 7.5% |
| 45342 | 7.5% |
| 45343 | 7.5% |
| 45345 | 7.5% |
| 45354 | 7.5% |
| 45377 | 7.5% |
| 45401 | 7.5% |
| 45402 | 7.5% |
| 45403 | 7.5% |
| 45404 | 7.5% |
| 45405 | 7.5% |
| 45406 | 7.5% |
| 45409 | 7.5% |
| 45410 | 7.5% |
| 45412 | 7.5% |
| 45413 | 7.5% |
| 45414 | 7.5% |
| 45415 | 7.5% |
| 45416 | 7.5% |
| 45417 | 7.5% |
| 45419 | 7.5% |
| 45420 | 7.5% |
| 45422 | 7.5% |
| 45423 | 7.5% |
| 45424 | 7.5% |
| 45426 | 7.5% |
| 45428 | 7.5% |
| 45429 | 7.5% |
| 45437 | 7.5% |
| 45439 | 7.5% |
| 45441 | 7.5% |
| 45448 | 7.5% |
| 45449 | 7.5% |
| 45458 | 7.5% |
| 45459 | 7.5% |
| 45469 | 7.5% |
| 45470 | 7.5% |
| 45475 | 7.5% |
| 45479 | 7.5% |
| 45481 | 7.5% |
| 45482 | 6.75% |
| 45490 | 7.5% |

## Selling into Montgomery County: Ohio rules

- **What's taxable:** At the state level, SaaS is partly taxable, clothing is taxable, groceries are exempt and digital goods are taxable.
- **Economic nexus:** Ohio economic nexus is triggered when your gross sales into the state reach $100,000 or 200 separate transactions in the current or prior calendar year. Either threshold creates an obligation.
- **Filing:** Ohio assigns monthly or semiannual filing based on tax volume. Returns are due the 23rd of the month following the reporting period — a later date than most states.

More in the [Ohio sales tax guide](/sales-tax-guides/usa/ohio).

## Frequently asked questions

### What is the sales tax rate in Montgomery County, OH?

The most common combined sales tax rate in Montgomery County, OH is 7.5% as of September 2026: 5.75% state and 1.75% county. Rates across the county's 46 ZIP codes range from 6.75% to 7.5%, depending on the city and special districts. Ohio's state rate is 5.75%, so local taxes add 1.75% here.

### Why do sales tax rates differ within Montgomery County?

Local sales taxes follow city and district boundaries, and ZIP codes don't. Of the 46 ZIP codes in Montgomery County, 45 carry 7.5% and the rest range from 6.75% to 7.5%, usually because the ZIP lies in a city or special taxing district with its own tax. Always rate a sale by the delivery address, not the county or ZIP alone.

### Which places in Montgomery County have their own sales tax?

None of the 10 places in Montgomery County levies a city sales tax of its own, so the rate comes from the state and the county (1.75% county tax).

### Do I need to collect Montgomery County sales tax if I'm based out of state?

Only once you have nexus in Ohio. Ohio economic nexus is triggered when your gross sales into the state reach $100,000 or 200 separate transactions in the current or prior calendar year. Either threshold creates an obligation. After you register, you collect Ohio sales tax on taxable sales delivered to Montgomery County.

### What does Ohio tax?

At the state level, SaaS is partly taxable, clothing is taxable, groceries are exempt and digital goods are taxable. The Ohio sales tax guide covers exemptions and local exceptions.