Grinnell, Jasper County, Iowa Property Taxes
Median Grinnell, IA effective property tax rate: 1.17%, significantly higher than the national median of 1.02%, but lower than the Iowa state median of 1.54%.
Median Grinnell, IA home value: $236,650
Median annual Grinnell, IA tax bill: $2,840, $440 higher than the national median property tax bill of $2,400.
How are property taxes in Jasper County calculated?
Property taxes in Grinnell, IA are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Grinnell’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grinnell, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Grinnell, Jasper County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.17%
Estimate Property Tax Bill
$2,769
$2,569
Property Tax Rates Across Grinnell, Jasper County, Iowa
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Grinnell Tax Rate
1.17%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Jasper County Tax Rate
1.61%
Median Effective Iowa Tax Rate
1.54%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Grinnell, Jasper County, Iowa
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
50112 | 1.06% | 1.14% | 1.17% | 1.30% | 1.38% |
Source: Ownwell
Property Tax Assessment Values Across Grinnell, Jasper County, Iowa
When examining property taxes in Grinnell, Iowa, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Jasper County Assessor's Office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
In Jasper County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Grinnell. For example, the median home price in Grinnell is $236,650, with tax bills ranging significantly across the county. Zip code 50112 has the highest median home price at $236,650.
Property Tax Assessment Values Across Grinnell, Jasper County, Iowa
Source: Ownwell

$87,620
$186,145
$284,670
Median Grinnell Market Value
$236,650
Median Jasper County Market Value
$166,390
Median Iowa Market Value
$167,100
Median United States Market Value
$235,294
Property Tax Assessment Values Across Grinnell, Jasper County, Iowa
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
50112 | $92,540 | $164,800 | $236,650 | $337,510 | $444,300 |
Source: Ownwell
Property Tax Bills Across Grinnell, Jasper County, Iowa
Median Grinnell Tax Bill
$2,840
Median Jasper County Tax Bill
$2,548
Median Iowa Tax Bill
$2,508
Median United States Tax Bill
$2,400
Property Tax Bills Across Grinnell, Jasper County, Iowa
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
50112 | $1,046 | $1,984 | $2,840 | $4,044 | $5,239 |
Source: Ownwell