Fairfield, Ohio Sales Tax Rate
Buying in Fairfield? Because it is located in Butler County, the combined sales tax rate is 6.50%. Below is the full breakdown and a calculator preset to Fairfield's rate.
- Ohio state base5.75%
- Butler County & transit0.75%
- Total you pay6.50%
Fairfield sits in Butler County, so its combined rate is 6.50% — Ohio's 5.75% state base plus 0.75% in Butler County and transit tax. That is the rate on an in-store purchase in Fairfield, and the rate an out-of-state or marketplace seller charges on an order delivered here — an Ohio seller shipping from another county charges its own county's rate instead, because Ohio sources intrastate sales to the vendor. A $50.00 taxable item runs $53.25 out the door. Unprepared groceries and prescription drugs are exempt statewide, so they stay untaxed in Fairfield no matter the local rate. Compare this against every other Ohio county rate.
Fairfield has a population of about 42,767, making it the 25th largest of the 61 Ohio cities tracked here. It sits in Butler County, and its 2 ZIP codes all fall inside that county, so every address in Fairfield is taxed at 6.50%.
Fairfield ZIP codes at 6.50%
- 45014
- 45018
How Fairfield compares to nearby cities
| City | Distance | County | Rate | vs Fairfield |
|---|---|---|---|---|
| Fairfield | — | Butler | 6.50% | — |
| Hamilton | 3.7 mi | Butler | 6.50% | same |
| Mason | 13.4 mi | Warren | 7.25% | +0.75% |
| Middletown | 14.5 mi | Butler | 6.50% | same |
| Cincinnati | 15.3 mi | Hamilton | 7.80% | +1.30% |
Every nearby city charges the same as Fairfield or more — Mason in Warren County is 0.75% higher. Crossing a county line to shop will not save you tax here.
Calculate tax in Fairfield
Calculate Ohio Sales Tax
Ohio · 2026 tax year · all 88 countiesCalculate total cost and exact Ohio state + county tax on your pre-tax purchase.
An official 2026 estimate based on Ohio Department of Taxation rate schedules (R.C. 5739.02). Actual checkout receipts round intermediate fractions per R.C. 5739.025.
Fairfield sales tax by purchase amount
| Purchase | Sales Tax (6.50%) | Total |
|---|---|---|
| $1.00 | $0.07 | $1.07 |
| $5.00 | $0.33 | $5.33 |
| $10.00 | $0.65 | $10.65 |
| $25.00 | $1.63 | $26.63 |
| $50.00 | $3.25 | $53.25 |
| $100.00 | $6.50 | $106.50 |
| $500.00 | $32.50 | $532.50 |
| $1,000.00 | $65.00 | $1,065.00 |
Groceries and prescription drugs are exempt statewide, so they carry $0 tax in Fairfield. Prepared food and general merchandise are taxed at 6.50%.
Fairfield sales tax FAQ
Statutory guidance reconciled against official Ohio Department of Taxation regulations, county permissive levies, and R.C. 5739 sourcing rules.
The combined sales tax rate in Fairfield is 6.50% in 2026. This is based on its location in Butler County, which adds a 0.75% county and transit portion to Ohio's 5.75% state base rate.
At 6.50%, sales tax on a $100 taxable purchase in Fairfield is $6.50, for a total of $106.50.
No. Unprepared groceries and prescription drugs are exempt from Ohio sales tax statewide, so they are not taxed in Fairfield. Prepared food and restaurant meals are taxable at 6.50%.
Fairfield covers 2 ZIP codes (45014, 45018), and all of them fall in Butler County, so every one is taxed at 6.50%. A ZIP can straddle a county line, so for a specific street address confirm with Ohio's own address lookup.
Explore Ohio cities beyond Fairfield
Calculate item totals for Fairfield using our sales tax formula guide or explore statutory sales tax exemptions.