Johnson County car tax

A car worth $25,000 in Johnson County, KS pays about $449 a year in personal property tax (89.771 mills).

Johnson County car tax calculator

Car's value$

Yearly car tax$449≈ $37/month

Assessed value: $25,000 × 20% = $5,000
Tax: $5,000 × 89.771 mills = $448.86

Towns value cars from pricing guides (average retail or trade-in), not what you paid. Your bill may be prorated for months you owned the car.

Car tax in Johnson County by car value

Yearly tax by car value. The dot follows the calculator.

Car value	Yearly tax	Per month
$10,000	$180	$15
$15,000	$269	$22
$20,000	$359	$30
$25,000	$449	$37
$30,000	$539	$45
$40,000	$718	$60
$50,000	$898	$75
$75,000	$1,347	$112

Buying a car in Kansas: one-time tax

Kansas sales/use tax — 6.5%, plus local sales tax where you live. Your trade-in is subtracted before tax.

Price$Trade-in$

State tax$2,2756.5%

Local rates for your address are added. Trade-in credit: medium confidence.

Cut what your car costs in Johnson County

Car tax is set by your town, but your loan and insurance aren't. Refinancing a car loan at a lower rate often saves more each year than the tax itself.

Check refinance rates →

Other counties in Kansas

Yearly tax on a $25,000 car.

Questions

What is the car tax rate in Johnson County, KS?

89.771 mills for 2026.

How is car tax calculated in Johnson County?

Assessed value: $25,000 × 20% = $5,000 → Tax: $5,000 × 89.771 mills = $448.86

How much is car tax on a $30,000 car in Johnson County?

About $539 a year.

When is car tax due in Johnson County?

Paid every year with registration renewal at the county treasurer (staggered by last name).

How is Kansas car tax calculated?

Class value less 15% a year × 20% × the county average levy ÷ 1,000. The minimum is $24.

Why is my tax the same as my neighbor's in another city?

Kansas uses the county average levy, not your specific taxing district.

Sources

Last checked October 14, 2026. Rates are for passenger cars owned by individuals; leased, business and specialty vehicles can differ. Confirm with your tax collector or commissioner of the revenue.