Dubuque County Property Tax Calculator
Locality estimate page for Dubuque County, Iowa. Use this county/locality rate for faster screening, then confirm parcel-specific details with your local tax authority.
County/Locality Effective Rate
1.23%
State Effective Rate
1.33%
Sample Annual Tax Difference
-$425
Median Home Value (ACS)
$237,300
Median Annual Tax Bill (ACS)
$2,919
Owner-Occupied Households
30,062
The typical owner-occupied home in Dubuque County is valued at $237,300 with a median real estate tax bill of $2,919 per year — an effective rate of 1.23%. Both figures come from the same ACS release, so the ratio is an estimate rather than an aggregate of individual bills.
State Mortgage Context: Iowa
Most counties in this state follow the standard FHA floor framework.
State Effective Tax Rate
1.33%
FHA 1-Unit Floor
$541,287
FHA 1-Unit Ceiling
$1,249,125
In Dubuque County, Iowa, the current county-level estimate is 1.23%, or approximately $4,920 annually on a $400,000 home.
How to Use This County Estimate
Step 1
Enter your property value and assessment assumptions.
Step 2
Apply exemptions that may reduce taxable value.
Step 3
Compare county/locality estimate against statewide fallback.
Dubuque County Property Tax Snapshot
Estimated effective rate: 1.23% · vs Iowa: 1.33% · vs national benchmark: 0.90%
| Home value | Estimated annual tax | Estimated monthly tax |
|---|---|---|
| $250,000 | $3,075 | $256 |
| $400,000 | $4,920 | $410 |
| $500,000 | $6,150 | $513 |
| $750,000 | $9,225 | $769 |
| $1,000,000 | $12,300 | $1,025 |
Compare Nearby Property Taxes
- Dubuque County1.23%
- Dallas County1.41%
- Woodbury County1.45%
- Scott County1.47%
- Black Hawk County1.50%
- Johnson County1.52%
- Pottawattamie County1.57%
Source Transparency
Source: U.S. Census Bureau, ACS 5-Year Estimates (B25103 / B25077)
View sourceLast updated: August 2026
Estimates only. Confirm parcel-specific amounts with the official local taxing authority.
Need Statewide Context?
Visit Iowa mortgage snapshot or return to the national calculator hub.