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Newcastle, OK Sales Tax Rate

The combined sales tax rate in Newcastle, Oklahoma is 9% (4.5% state, 0.5% county and 4% city). Calculate the sales tax on any purchase in Newcastle. Rates effective August 2024.

State tax
4.5%
County tax (McClain)
0.5%
City tax (Newcastle)
4%
Special district tax
0%
Combined rate
9%

Source: Oklahoma: Streamlined Sales Tax rate and boundary files (OKR2026Q4AUG17.zip), rates in effect October 1, 2026. Effective August 2024.

ZIP codes in Newcastle, OK

Other cities in McClain County

All Oklahoma rates