Mercer County, Ohio Sales Tax Rate
Buying anywhere in Mercer County? The combined sales tax rate is 7.00%. Below is the full breakdown and a calculator already set to Mercer County.
- Ohio state base5.75%
- Mercer County & transit1.25%
- Total you pay7.00%
Mercer County's 7.00% rate sits below the statewide average of 7.06%. Across Ohio, combined rates run from 6.50% to 8.00%, so where you buy genuinely changes the bill. For online orders, Ohio is destination-based — the rate follows your delivery address, which is why your home county rate is the one that matters.
Anywhere in Mercer County, a taxable purchase adds 1.25% in county and transit tax on top of Ohio's 5.75% state base — the 7.00% combined rate shown above. 49 of Ohio's 88 counties charge this exact rate. Cars, general merchandise, and prepared restaurant food are all taxed at 7.00%, while unprepared groceries and prescription drugs stay exempt statewide.
Calculate tax in Mercer County
Mercer County sales tax by purchase amount
| Purchase | Sales Tax (7.00%) | Total |
|---|---|---|
| $1.00 | $0.07 | $1.07 |
| $5.00 | $0.35 | $5.35 |
| $10.00 | $0.70 | $10.70 |
| $25.00 | $1.75 | $26.75 |
| $50.00 | $3.50 | $53.50 |
| $100.00 | $7.00 | $107.00 |
| $500.00 | $35.00 | $535.00 |
| $1,000.00 | $70.00 | $1,070.00 |
Groceries and prescription drugs are exempt statewide, so they carry $0 tax in Mercer County. Prepared food and general merchandise are taxed at 7.00%.
Mercer County sales tax FAQ
The combined sales tax rate in Mercer County is 7.00% in 2026. That is Ohio's 5.75% state base plus a 1.25% county and transit portion.
At 7.00%, sales tax on a $100 taxable purchase in Mercer County is $7.00, for a total of $107.00.
No. Unprepared groceries and prescription drugs are exempt from Ohio sales tax statewide, so they are not taxed in Mercer County. Prepared food is taxable at 7.00%.
Compare Mercer County rates
- Butler — 6.50%
- Cuyahoga — 8.00%
- Franklin — 8.00%
- Hamilton — 7.80%
- Lucas — 7.75%
- Montgomery — 7.50%
- Stark — 6.50%
- Summit — 6.75%
- Miami — 7.00%
- Morrow — 7.00%
- Noble — 7.00%
- Pickaway — 7.00%
- Portage — 7.00%
- Preble — 7.00%
- See all 88 counties →
Need a different calculation? Try the reverse sales tax calculator, the car sales tax calculator, the discount sales tax calculator, or the use tax calculator.
Not sure what's taxable? Read what is taxable in Ohio, Ohio sales tax exemptions, or how to calculate Ohio sales tax.
Ohio's 7.00% Mercer County rate is waived on qualifying items during the Ohio sales tax holiday (August 7–9, 2026) — the state's only no-sales-tax weekend.