What is the sales tax rate for ZIP 45420 (Dayton, OH)?

As of 2026, the total combined sales tax rate for ZIP 45420 is 7.50%. This includes 5.75% state tax, 1.25% county tax, 0.00% city tax, and 0.50% special district tax.

Are groceries and SaaS taxable in Ohio?

In Ohio, groceries are currently Exempt (0% for food consumed off-premises). Software as a Service (SaaS) and digital goods are Taxable for business-to-business (B2B electronic services).

Dayton, OH • Montgomery County

Streamlined Sales Tax (SST) Member

45420 Sales Tax Rate 2026 - Dayton, OH

The combined sales tax rate for Dayton (45420, Ohio) is 7.50% in 2026. Includes state (5.75%), county (1.25%), city (0.00%), and special district taxes.

Combined Sales Tax Rate

7.50%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the total combined sales tax rate for ZIP code 45420 in Dayton, OH (Montgomery County) is 7.50%. This includes 5.75% state tax, 1.25% county tax, 0.00% city tax, and 0.50% special district tax.

Geographic Tax Breakdown

Jurisdiction	Rate
State Tax Ohio	5.75%
County Tax Montgomery County	1.25%
City Tax Dayton	0.00%
Special / District Tax Special District / Transportation	0.50%
Combined Sales Tax Rate Total Tax Applied at Checkout	7.50%

📋 State Tax Rules & Compliance Guide

Sourcing Rule: Origin-based for intrastate, Destination-based for interstate

Groceries & Food: Exempt (0% for food consumed off-premises)

Clothing & Apparel: Taxable

SaaS & Digital Goods: Taxable for business-to-business (B2B electronic services)

Economic Nexus Threshold: $100,000 or 200 transactions

Geographic & Spatial Info

ZIP Code: 45420

State Code: OH

Latitude: 39.7805

Longitude: -84.2003

Interactive Sales Tax Calculator

Calculate exact sales tax and total purchase price instantly.

Address-Specific Rates Rates current for 2026

Purchase Amount ($)

Total Purchase Price Reverse Calculation

ZIP Code

State Tax:

Combined Sales Tax Rate:

State Tax ()

County Tax ()

City Tax ()

Special / District Tax ()

Total Purchase Price

Other ZIP Codes in Dayton

08810 6.62% 16222 6.00% 22821 5.30% 36738 7.00% 36748 7.00% 37321 9.75% 41074 6.00% 45401 7.50% 45403 7.50% 45404 7.50% 45405 7.50% 45406 7.50% 45409 7.50% 45410 7.50% 45413 7.50% 45414 7.50% 45415 7.50% 45416 7.50% 45417 7.50% 45422 7.50% 45423 7.50% 45424 7.50% 45426 7.50% 45428 7.50% 45429 7.50% 45432 6.75% 45433 6.75% 45435 6.75% 45437 7.50% 45441 7.50% 45448 7.50% 45449 7.50% 45458 7.50% 45459 7.50% 45469 7.50% 45470 7.50% 45475 7.50% 45481 6.75% 45490 7.50% 47941 7.00% 50530 7.00% 59914 0.00% 83232 6.00% 83286 6.00% 97114 0.00% 99328 8.40%

❓ Frequently Asked Questions

Key questions and answers regarding sales tax rates, exemptions, and compliance.

The total combined sales tax rate for ZIP 45420 is 7.50% in 2026. This rate is comprised of the Ohio state sales tax (5.75%), Montgomery County county tax (1.25%), city tax (0.00%), and special district tax (0.50%).

In Ohio, grocery food is generally Exempt (0% for food consumed off-premises), clothing items are Taxable, and Software as a Service (SaaS) is Taxable for business-to-business (B2B electronic services).