Missouri Sales Tax Rates: Caldwell County

Missouri:

Caldwell County, Missouri Sales Tax Rate 2026 Up to 8.725%

The Caldwell County Sales Tax is 2.5%

A county-wide sales tax rate of 2.5% is applicable to localities in Caldwell County, in addition to the 4.225% Missouri sales tax.

Some cities and local governments in Caldwell County collect additional local sales taxes, which can be as high as 2%.

Here's how Caldwell County's maximum sales tax rate of 8.725% compares to other counties around the United States:

Lower maximum sales tax than 74% of Missouri counties
Higher maximum sales tax than 72% of counties nationwide

Last updated June 2026

Tax Rates By City in Caldwell County, Missouri

The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Missouri has a 4.225% sales tax and Caldwell County collects an additional 2.5%, so the minimum sales tax rate in Caldwell County is 6.725% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Caldwell County, including all local taxes.

City	Sales Tax Rate	Tax Jurisdiction
Hamilton	8.725%	Hamilton
Polo	8.225%	Polo
Braymer	7.725%	Braymer
Kidder	7.725%	Kidder
Breckenridge	7.725%	Breckenridge
Kingston	6.725%	Caldwell
Cowgill	7.225%	Ray County Ambulance Dist

Missouri Sales Tax Rates by Zip Code:

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Caldwell County, Missouri has a maximum sales tax rate of 8.725% and an approximate population of 7,570.

Sales tax rates in Caldwell County are determined by seven different tax jurisdictions, Braymer, Breckenridge, Caldwell, Hamilton, Kidder, Polo and Ray County Ambulance Dist.

Back to Missouri Sales Tax Handbook Sales tax rates for Caldwell County are current as of June 2026