Sangamon County Property Tax Calculator
Locality estimate page for Sangamon County, Illinois. Use this county/locality rate for faster screening, then confirm parcel-specific details with your local tax authority.
County/Locality Effective Rate
1.99%
State Effective Rate
1.88%
Sample Annual Tax Difference
$468
Median Home Value (ACS)
$176,300
Median Annual Tax Bill (ACS)
$3,512
Owner-Occupied Households
60,443
The typical owner-occupied home in Sangamon County is valued at $176,300 with a median real estate tax bill of $3,512 per year — an effective rate of 1.99%. Both figures come from the same ACS release, so the ratio is an estimate rather than an aggregate of individual bills.
State Mortgage Context: Illinois
Some counties follow standard FHA limits while higher-cost counties may qualify for elevated FHA limits.
State Effective Tax Rate
1.88%
FHA 1-Unit Floor
$541,287
FHA 1-Unit Ceiling
$1,249,125
In Sangamon County, Illinois, the current county-level estimate is 1.99%, or approximately $7,960 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.
Sangamon County Property Tax Snapshot
Estimated effective rate: 1.99% · vs Illinois: 1.88% · vs national benchmark: 0.90%
| Home value | Estimated annual tax | Estimated monthly tax |
|---|---|---|
| $250,000 | $4,975 | $415 |
| $400,000 | $7,960 | $663 |
| $500,000 | $9,950 | $829 |
| $750,000 | $14,925 | $1,244 |
| $1,000,000 | $19,900 | $1,658 |
Compare Nearby Property Taxes
- Sangamon County1.99%
- St. Clair County2.03%
- DuPage County2.05%
- Champaign County2.06%
- Madison County1.92%
- Cook County1.91%
- LaSalle County2.11%
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 Illinois mortgage snapshot or return to the national calculator hub.