Johnson County Property Taxes
Johnson County, Iowa
Effective Tax Rate
0.00%
112.4% above state avgMedian Annual Tax
$0
$382/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
1.56%
At a Glance
Median Home Value
$293,100
State avg ▲ $160,608
Tax w/ Mortgage/yr
$4,708
$392/mo escrow
Tax w/o Mortgage/yr
$4,309
$359/mo
State Tax Rate Rank
#91
of 99 counties (1 = lowest)
Data Story
About Property Taxes in Johnson County, Iowa
Johnson County taxes run high nationally
Johnson County's effective tax rate of 1.565% significantly exceeds the national median, and the median property tax of $4,587 is 70% higher than the national median of $2,690. This reflects Johnson County's position as a high-value real estate market anchored by Iowa City and the University of Iowa.
Highest effective tax rate in Iowa
Johnson County ranks at the very top of Iowa's 99 counties with an effective rate of 1.565%, substantially above the state average of 1.344%. The median property tax bill of $4,587 dwarfs Iowa's state median of $2,160, more than doubling what a typical Iowan pays.
Far exceeds all regional peers
Johnson County's tax burden stands dramatically higher than surrounding counties—Jackson (1.252%), Jones (1.298%), Jasper (1.424%), and Jefferson (1.487%) all carry lower rates. This reflects Johnson County's higher property values and premium market position in the state.
What $293,100 home costs annually
On Johnson County's median home value of $293,100—the highest among these eight counties—homeowners pay approximately $4,587 annually in property taxes. Adding mortgage escrow increases the bill to about $4,708, making property taxes one of the largest annual expenses for county residents.
You might be overpaying on taxes
Many Iowa homeowners are assessed above fair market value and don't realize they can appeal their assessments. If you believe your home's valuation is too high, a formal appeal could reduce your tax burden significantly—it's free to file.
How Johnson County Compares
Median Annual Property Tax
Johnson County
1.56%
Effective rate
Iowa Avg
1.34%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Johnson County, Iowa?
How much are property taxes in Johnson County?
How does Johnson County compare to the Iowa average?
What is the median home value in Johnson County, Iowa?
Why is Johnson County property tax rate higher than the Iowa average?
How does Johnson County rank for property taxes in Iowa?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Iowa
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.