Montgomery County, OH Sales Tax Rate (2026)
Combined state and local rate for Montgomery County, OH, with the rate for each of its places and 46 ZIP codes.
Rates as of
What is the sales tax rate in Montgomery County, OH?
7.5%most common combined rate in Montgomery County
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.
- State
- 5.75%
- County
- 1.75%
- City
- 0%
- Special district
- 0%
- Combined
- 7.5%
Source: Kintsugi's rate table, updated monthly, as of September 2026. Official rates: Ohio Department of Taxation — Sales and Use Tax.
What are the sales tax rates by city in Montgomery County?
The combined rate for the places in Montgomery County, as of September 2026. Where a place has a city rate page it is linked. A place's ZIP codes can reach into a neighboring city or district, so a range in brackets means its ZIP codes carry different rates.
| Place | Combined rate | ZIP codes |
|---|---|---|
| Dayton | 7.5%(6.75%–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 |
What are the sales tax rates by ZIP code in Montgomery County?
Every ZIP code in Montgomery County, with its combined rate as of September 2026. A ZIP code can cross city and district lines, so the delivery address decides the rate on a sale; the sales tax calculator looks one up.
| ZIP | Place | Combined rate | County | City | Special |
|---|---|---|---|---|---|
| 45309 | Brookville | 7.5% | 1.75% | 0% | 0% |
| 45315 | Clayton | 7.5% | 1.75% | 0% | 0% |
| 45322 | Englewood | 7.5% | 1.75% | 0% | 0% |
| 45325 | Farmersville | 7.5% | 1.75% | 0% | 0% |
| 45327 | Germantown | 7.5% | 1.75% | 0% | 0% |
| 45342 | Miamisburg | 7.5% | 1.75% | 0% | 0% |
| 45343 | Miamisburg | 7.5% | 1.75% | 0% | 0% |
| 45345 | New Lebanon | 7.5% | 1.75% | 0% | 0% |
| 45354 | Phillipsburg | 7.5% | 1.75% | 0% | 0% |
| 45377 | Vandalia | 7.5% | 1.75% | 0% | 0% |
| 45401 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45402 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45403 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45404 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45405 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45406 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45409 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45410 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45412 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45413 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45414 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45415 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45416 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45417 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45419 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45420 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45422 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45423 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45424 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45426 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45428 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45429 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45437 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45439 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45441 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45448 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45449 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45458 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45459 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45469 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45470 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45475 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45479 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45481 | Dayton | 7.5% | 1.75% | 0% | 0% |
| 45482 | Dayton | 6.75% | 1% | 0% | 0% |
| 45490 | Dayton | 7.5% | 1.75% | 0% | 0% |
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.
Registration, exemptions, penalties and marketplace rules are in the Ohio sales tax guide.
Frequently asked questions
Rates change monthly. Kintsugi applies them automatically.
Free plan, filing from $75 per filing, no per-state subscription.