The Tax division of our office provides tax services including annually calculating the rate for various taxing districts by working with taxing authorities and the Board of Review. We make sure that the rates used in calculating taxes are within the legal limits established by law or the vote of the people.
The Clerk also collects all delinquent (past due) taxes from sold properties and issues tax deeds. The tax redemption area of our office computes and collects payments for past due or unpaid taxes. Call our tax line at 815-319-4253 for questions or more information.
Sales Tax information from the Illinois Department of Revenue website
2023 CPI (collected in 2024) & History
2022 Revenue Recapture Certification - Totals by District 11-15-22
2022 CPI (collected in 2023) & History
2022 Winnebago County FINAL Multiplier
2022 Winnebago County Tentative Multiplier
2022 Estimated EAV Report - ALL Districts 2-27-23
2022 Estimated EAV Report - ALL Districts DOR Level 2-28-23
2022 District Contact Information List
2022 EAV Reports - All Districts
2022 Tax Computation Reports - All Districts
2022 District Rates by Tax Code
2022 Municipal & School District Tax Rates
2022 Highest & Lowest Tax Rates
2022 Tax District Listing by District Type
2022 Tax Extension Detail Report - All Districts
2022 Tax Extension Summary Report by Tax Code
2022 Tax Extension Summary Report by Township
2022 District Extension by Parcel and Classification
2022 Tax Code Detail within District
2022 Tax Code Value within District
2022 District Value within Tax Code
2022 Assessed Value by Tax Code within Tax District
2022 Taxable Assessed Valuations by Tax Body
2022 Exemptions Abstract by Township & Summary
2022 Township EAV within District Value
2022 Township Equalization Factors
2022 Top 25 Taxpayers - Winnebago County
2022 TIF District Tax Extension Reports
2022 TIF Tax Extension Detail Report
2022 TIF Parcel Report by TIF District - includes Exempts
2022 TIF Parcel Extension By District
2022 TIF Loss in Extension by District
2022 Tax Extension Pie Chart Totals
2022 EZ Abatement Report by District
2022 SSA Parcel Extension by District
2022 SSA Drainage Import Summary & District Detail
2022 Commercial & Industrial Abatements by District
2022 Commercial & Industrial Abatements by Parcel
2022 Housing Opportunity Tax Abatements by District
2022 Housing Opportunity Tax Abatements by Parcel
2021 Revenue Recapture Certification - Totals by District
2021 Revenue Recapture Certification - FULL Report by District
2021 Tax Computation Reports - All Districts
2021 EAV Reports - All Districts
2021 Township EAV within District Value
2021 Tax District Listing by District Type
2021 District Rates by Tax Code
2021 District Value within Tax Code
2021 Tax Code Detail within District
2021 Tax Code Value within District
2021 TIF District Tax Extension Reports
2021 TIF Parcel Extension by District
2021 TIF Parcel Report by TIF District - includes Exempts
2021 TIF Tax Extension Detail Report
2021 TIF Loss in Extension by District
2021 EZ Abatement Report by District
2021 Municipal & School District Tax Rates
2021 Top 25 Taxpayers - Winnebago County
2021 District Contact Information List
2021 Taxable Assessed Valuations by Tax Body
2021 Assessed Value by Tax Code within Tax District
2021 Township Equalization Factors
2021 District Extension by Parcel and Classification
2021 Highest & Lowest Tax Rates
2021 Tax Extension Summary Report by Tax Code
2021 Tax Extension Summary Report by Township
2021 Tax Extension Detail Report - All Districts
2021 Exemptions Abstract by Township
2021 Tax Extension Pie Chart Totals
2021 SSA Parcel Extension by District
2021 SSA Drainage Import District Detail
2021 SSA Drainage Import Summary
2021 Commercial & Industrial Abatements by District
2021 Commercial & Industrial Abatements by Parcel
2021 Housing Opportunity Tax Abatements by District
2021 Housing Opportunity Tax Abatements by Parcel
2020 Tax Computation Reports - All Districts
2020 EAV Reports - All Districts
2020 Township EAV within District Value
2020 Tax District Listing by District Type
2020 District Rates by Tax Code
2020 District Value within Tax Code
2020 Tax Code Detail within District
2020 Tax Code Value within District
2020 TIF District Tax Extension Reports
2020 TIF Parcel Extension by District
2020 TIF Parcel Report by TIF District - includes Exempts
2020 TIF Tax Extension Detail Report
2020 Municipal & School District Tax Rates
2020 Top 25 Taxpayers - Winnebago County
2020 District Contact Information List
2020 Taxable Assessed Valuations by Tax Body
2020 Assessed Value by Tax Code within Tax District
2020 Township Equalization Factors
2020 District Extension by Parcel and Classification
2020 Highest & Lowest Tax Rates
2020 Tax Extension Summary Report by Tax Code
2020 Tax Extension Summary Report by Township
2020 Tax Extension Detail Reports - All Districts
2020 Exemptions Abstract by Township
2020 Tax Extension Pie Chart Totals
2020 SSA Parcel Extension by District
2020 SSA Drainage Import Districts
2020 SSA Drainage Import Summary
2020 Commercial & Industrial Abatement TOTAL
2020 Commercial & Industrial Abatement by Parcel
2020 Housing Opportunity Tax Abatement TOTAL
2020 Housing Opportunity Tax Abatement by Parcel
2019 Tax Computation Reports - All Districts
2019 EAV Reports - All Districts
2019 Township EAV within District Value
2019 Tax District Listing by District Type
2019 District Rates by Tax Code
2019 District Value within Tax Code
2019 Tax Code Detail within District
2019 Tax Code Value within District
2019 TIF District Tax Extension Reports
2019 TIF Parcel Extension by District
2019 TIF Parcel Report by TIF District - includes Exempts
2019 TIF Tax Extension Detail Report
2019 Municipal & School District Tax Rates
2019 Top 25 Taxpayers - Winnebago County
2019 District Contact Information List
2019 Taxable Assessed Valuations by Tax Body
2019 Assessed Value by Tax Code within Tax District
2019 Township Equalization Factors
2019 District Extension by Parcel and Classification
2019 Highest & Lowest Tax Rates
2019 Tax Extension Summary Report
2019 Tax Extension Detail Reports
2019 Exemptions Abstract by Township
2019 Tax Extension Pie Chart Totals
2019 SSA Parcel Extension by District
2019 SSA Drainage Import Districts
2019 SSA Drainage Import Summary
2018 EAV Reports - All Districts
2018 Township EAV within District Value
2018 Tax District Listing by District Type
2018 District Rates by Tax Code
2018 District Value within Tax Code
2018 Tax Code Detail within District
2018 Taxcode Value within District
2018 TIF District Tax Extension Reports
2018 TIF Parcel Extension by District
2018 TIF Parcel Report by TIF District - includes Exempts
2018 TIF Tax Extension Detail Reports
2018 Municipal & School District Tax Rates
2018 Top 25 Taxpayers - Winnebago County
2018 District Contact Information List
2018 Taxable Assessed Valuations by Tax Body
2018 Assessed Value by Tax Code within Tax District
2018 Township Equalization Factors
2018 District Extension by Parcel & Classification
2018 Highest & Lowest Tax Rates
2018 Tax Extension Summary Report
2018 Tax Extension Detail Reports
2018 Exemptions Abstract by Township
2018 Tax Extension Pie Chart Totals
2018 SSA Parcel Extension by District
2018 SSA-Drainage Import Districts
2018 SSA-Drainage Import Summary
2017 EAV Reports - All Districts
2017 Township EAV within District Value
2017 Tax District Listing by District Type
2017 District Rates by Tax Code
2017 District Value within Tax Code
2017 TIF Parcel Report by TIF District - includes Exempts
2017 TIF Districts Parcel Extension by District
2017 Municipal and School District Tax Rates
2017 District Contact Name Report
2017 Tax Code Detail within District
2017 Taxable Assessed Valuations by Tax Body
2017 Taxable Assessed Valuations by Tax Body
2017 Township Equalization Factors
2017 District Extension by Parcel and Classification
2017 Highest and Lowest Tax Rates
2017 Tax Extension Summary Report
2017 Exemption Abstract by Township
2017 Tax Extension Pie Chart Totals
2016 EAV Reports - All Districts
2016 Towship EAV within District Value
2016Ta Tax District Listing by District Type
2016 District Rates by Tax Code
2016 District Value within Tax Code
2016 TIF Parcel Report by TIF District
2016 TIF Districts Parcel Extension by District
2016 Municipal and School District Tax Rates
2016 District Contact Name Report
2016 Tax Code Detail within District
2016 Tax Extension Detail Report
2016 Taxable Assessed Valuations by Tax Body
2016 Township Equalization Factors
2016 District Extension by Parcel and Classification
2016 Highest and Lowest Tax Rates
2016 Tax Extension Summary Report
2016 Exemption Abstract by Township
2016 Tax Extension Pie Chart Totals
2015 Tax District Listing by District Type
2015 District Rates by Tax Code
2015 District Value within Tax Code
2015 TIF Parcel Report by TIF District
2015 TIF Districts Parcel Extension by District
2015 Municipal and School District Tax Rates
2015 District Contact Name Report
2015 Tax Code Detail within District
2015 Tax Extension Detail Reports
2015 Taxable Assessed Valuations by Tax Body
2015 Township Equalization Factors
2015 Tax Extension Pie Chart Totals
2014 EAV Reports - All Districts
2014 Tax District Listing by District Type
2014 District Rates by Tax Code
2014 District Value within Tax Code
2014 Assessed Valuation by Tax Code within Tax District
2014 TIF Parcel Report by TIF District
2014 TIF Districts Parcel Extension by District
2014 Municipal and School District Tax Rates
2014 Tax Extension Pie Chart Totals
2013 EAV Reports - All Districts
2013 Tax District Listing by District Type
2013 District Rates by Tax Code
2013 District Value within Tax Code
2013 Assessed Valuation by Tax Code within District
2013 Tax Codes by District Listing
2013 TIF Parcel Report by TIF District