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2025 Logan County Final Multiplier
Announced
[February 05, 2026]
SPRINGFIELD, IL, - Logan County has been issued a final property
assessment equalization factor of 1.0000, according to David Harris,
director of the Illinois Department of Revenue (IDOR).
The property assessment equalization factor, often called the
"multiplier," is the method used to achieve uniform property
assessments among counties, as required by law. This equalization is
particularly important because some of the state's 6,600 local
taxing districts overlap into two or more counties (e.g., school
districts, junior college districts, fire protection districts). If
there was no equalization among counties, substantial inequities
among taxpayers with comparable properties would result.
Under a law passed in 1975, property in Illinois should be assessed
at one-third (1/3) of its market value. Farm property is assessed
differently with farm homesites and dwellings subject to regular
assessing and equalization procedures. Farmland is assessed at
one-third of its agriculture economic value and not subject to the
state equalization factor.
Assessments in Logan County are at 33.21% of market value, based on
sales of properties in 2022, 2023, and 2024.
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The equalization factor currently being assigned is for 2025
taxes, payable in 2026.
Last year's equalization factor for the county was 1.0000.
The final assessment equalization factor was issued after a
public hearing on the tentative factor. The tentative factor
issued on 06-Nov-2025 was 1.0000.

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