Winnebago County, Illinois Property Taxes
Median Winnebago County effective property tax rate: 2.78%, significantly higher than the national median of 1.02%. Median Winnebago County home value: $119,208. Median annual Winnebago County tax bill: $3,116, $716 higher than the national median property tax bill of $2,400.
How are property taxes in Winnebago County calculated?
Property taxes in Winnebago County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Rockford or another part of Winnebago County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Winnebago County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.78%
Estimate Property Tax Bill
$3,314
$3,075
Property Tax Rates Across Winnebago County, Illinois
Local government entities set tax rates, which can vary widely within a state. This variation occurs because each county annually estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. While votes and laws play a role in setting these rates and budgets, this is the core of the annual process.
In Winnebago County, Illinois, the effective property tax rate stands at 2.78%, significantly higher than the national median of 1.02%. This means that homeowners in Winnebago County face a higher tax burden compared to many other regions in the U.S. Within the county, Belvidere has the highest median property tax rate at 3.03%, while Shirland boasts the lowest at 2.30%. These figures highlight the disparity in property tax rates even within the same county. Comparing these rates to other counties in Illinois or the national average provides a clearer picture of the property tax landscape in Winnebago County.
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 Winnebago County Tax Rate
2.78%
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 Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Winnebago County, Illinois
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Belvidere | 2.75% | 2.95% | 3.03% | 3.04% | 3.05% |
Caledonia | 2.21% | 2.45% | 2.67% | 2.73% | 2.87% |
Cherry Valley | 1.92% | 2.45% | 2.67% | 2.76% | 2.97% |
Davis | 1.67% | 2.21% | 2.41% | 2.72% | 2.72% |
Davis Junction | 1.63% | 2.21% | 2.49% | 2.57% | 2.79% |
Durand | 1.72% | 2.31% | 2.51% | 2.82% | 2.86% |
Loves Park | 1.57% | 2.42% | 2.68% | 2.89% | 3.25% |
Machesney Park | 1.60% | 2.36% | 2.62% | 2.84% | 3.13% |
Pecatonica | 1.57% | 2.19% | 2.43% | 2.61% | 2.90% |
Rockford | 1.43% | 2.40% | 2.96% | 3.38% | 3.81% |
Rockton | 1.94% | 2.50% | 2.70% | 2.87% | 3.02% |
Roscoe | 2.23% | 2.64% | 2.80% | 2.97% | 3.06% |
Shirland | 1.58% | 2.11% | 2.30% | 2.82% | 2.82% |
South Beloit | 1.54% | 2.25% | 2.60% | 2.79% | 2.88% |
Stillman Valley | 1.45% | 2.37% | 2.48% | 2.57% | 2.60% |
Winnebago | 2.16% | 2.42% | 2.67% | 2.99% | 3.12% |
Kirkland | N/A | N/A | N/A | N/A | N/A |
Leaf River | N/A | N/A | N/A | N/A | N/A |
Monroe Center | N/A | N/A | N/A | N/A | N/A |
Roselle | N/A | N/A | N/A | N/A | N/A |
Seward | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Winnebago County, Illinois
Property Tax Assessment Values Across Winnebago County, Illinois
Source: Ownwell

$48,324
$139,401
$230,478
Median Winnebago County Market Value
$119,208
Median Illinois Market Value
$194,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Winnebago County, Illinois
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Belvidere | $180,822 | $211,290 | $225,375 | $236,772 | $242,562 |
Caledonia | $149,523 | $186,366 | $216,120 | $243,140 | $273,644 |
Cherry Valley | $101,001 | $130,270 | $175,044 | $217,310 | $254,222 |
Davis | $109,857 | $135,996 | $165,921 | $211,728 | $268,268 |
Davis Junction | $48,047 | $83,343 | $146,528 | $189,913 | $242,795 |
Durand | $11,313 | $29,252 | $114,228 | $159,466 | $214,719 |
Loves Park | $80,185 | $95,775 | $117,420 | $161,106 | $202,361 |
Machesney Park | $71,541 | $93,708 | $128,280 | $166,920 | $204,633 |
Pecatonica | $74,292 | $102,159 | $132,000 | $168,069 | $216,057 |
Rockford | $35,446 | $57,275 | $96,579 | $147,376 | $192,506 |
Rockton | $119,412 | $154,703 | $187,910 | $235,401 | $287,680 |
Roscoe | $117,436 | $162,690 | $193,718 | $254,015 | $346,732 |
Shirland | $60,410 | $74,952 | $93,510 | $105,402 | $128,878 |
South Beloit | $48,680 | $79,283 | $145,784 | $172,197 | $249,718 |
Stillman Valley | $158,916 | $173,724 | $230,478 | $284,820 | $316,830 |
Winnebago | $32,942 | $131,301 | $167,832 | $205,917 | $255,203 |
Kirkland | N/A | N/A | N/A | N/A | N/A |
Leaf River | N/A | N/A | N/A | N/A | N/A |
Monroe Center | N/A | N/A | N/A | N/A | N/A |
Roselle | N/A | N/A | N/A | N/A | N/A |
Seward | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Winnebago County, Illinois
Median Winnebago County Tax Bill
$3,116
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,400
Property Tax Bills Across Winnebago County, Illinois
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Belvidere | $5,174 | $5,975 | $6,818 | $7,204 | $7,350 |
Caledonia | $2,987 | $4,379 | $5,514 | $6,461 | $7,433 |
Cherry Valley | $2,043 | $3,134 | $4,507 | $5,818 | $6,972 |
Davis | $2,126 | $2,848 | $3,872 | $5,173 | $6,820 |
Davis Junction | $1,291 | $1,937 | $3,251 | $4,752 | $6,198 |
Durand | $34 | $691 | $2,537 | $3,839 | $5,241 |
Loves Park | $1,412 | $2,264 | $3,032 | $4,326 | $5,612 |
Machesney Park | $1,247 | $2,111 | $3,146 | $4,425 | $5,631 |
Pecatonica | $1,036 | $2,137 | $3,085 | $4,116 | $5,475 |
Rockford | $523 | $1,332 | $2,647 | $4,309 | $5,993 |
Rockton | $2,376 | $3,689 | $4,912 | $6,488 | $8,018 |
Roscoe | $2,085 | $4,136 | $5,341 | $7,060 | $9,859 |
Shirland | $1,161 | $1,634 | $2,132 | $2,468 | $2,848 |
South Beloit | $780 | $1,673 | $3,515 | $4,533 | $6,549 |
Stillman Valley | $2,858 | $3,674 | $5,228 | $6,803 | $8,152 |
Winnebago | $8 | $3,236 | $4,398 | $5,623 | $7,064 |
Kirkland | N/A | N/A | N/A | N/A | N/A |
Leaf River | N/A | N/A | N/A | N/A | N/A |
Monroe Center | N/A | N/A | N/A | N/A | N/A |
Roselle | N/A | N/A | N/A | N/A | N/A |
Seward | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell