RateHerald

No link on RateHerald pays us today. When some do, they'll say so, and they'll never change a ranking. How we make money

Johnson County, IA Property Tax Calculator

Johnson County homeowners pay a median $4,681 a year in property tax, 1.52% of a median $308,600 home: above Iowa's 1.39% and the national 0.94%.

At an effective rate of 1.52%, a $308,600 home pays about $4,681 a year in property tax, $390 a month.

Property tax a year
$4,681
A month (for escrow)
$390
Effective rate on the home
1.52%

Property tax in Johnson County by home value, at 1.52%

Home valueA yearA month
$200,000$3,034$253
$300,000$4,551$379
$400,000$6,068$506
$500,000$7,585$632
$750,000$11,378$948
$1,000,000$15,170$1,264

Johnson County against Iowa and the US

Effective rateMedian taxMedian home valueMedian household income
Johnson County1.52%$4,681$308,600$74,935
Iowa1.39%$2,897$208,000$75,059
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Johnson County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in Johnson County?

The effective rate is 1.52%: a median $4,681 a year on a median $308,600 home. That's the 4th highest of the 11 Iowa counties we cover.

How much is property tax on a $400,000 house in Johnson County?

About $6,068 a year, $506 a month, at the county's effective rate, before any exemption.

How does Johnson County compare with the rest of Iowa?

Its rate is above the state's 1.39%. Across Iowa, covered counties range from 1.23% to 1.68%.

How do I lower my Johnson County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other Iowa counties

Related calculators

  • Iowa Property Tax CalculatorIowa homeowners pay a median $2,897 a year in property tax, 1.39% of a median $208,000 home: the 10th highest effective rate of the 50 states and DC.
  • Iowa Mortgage CalculatorYour monthly mortgage payment in Iowa, with Iowa's effective property tax rate (1.39%) built in, at this week's average rate. The calculator starts at the state's median home value, $208,000.
  • Home Affordability CalculatorThe home price your income supports under the 28/36 guideline lenders use, counting your other debts, down payment, taxes and insurance, at this week's average rate.

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.