Property taxes in Jefferson County, Illinois

For Jefferson County, U.S. Census Bureau ACS county medians imply about 1.71% of median owner-occupied value in reported annual property taxes ($118,400 value, $2,026 taxes)—a regional survey snapshot, not your individual notice.

Jefferson County — median owner-occupied real estate taxes ($2,026) and median home value ($118,400) from U.S. Census Bureau ACS 2023 5-year (Tables B25103 / B25077). Implied effective rate ≈ 1.71% (median tax ÷ median value).

Jefferson County uses **U.S. Census Bureau ACS** county **medians** here—verify **assessor** and **treasurer** notices for parcel mills and credits.

Last verified2026-04-18

Reference

Rates at a glance

Effective rate is median real estate taxes ÷ median owner-occupied value (U.S. Census Bureau ACS 2023 5-year county medians—Connecticut uses the 2021 county file). Local assessors and tax officials set parcel mills and credits.

Implied eff. rate (ACS medians)
1.71%

Median annual property taxes ÷ median owner-occupied home value (ACS 2023 5-year county medians—survey snapshot, not your parcel’s exact mill stack).

Median annual taxes (ACS)
$2,026

ACS county median real estate taxes paid (owner-occupied units); see scope for state-specific billing (town, tax commissioner, or county RPT).

Median home value (ACS)
$118,400

ACS median value for owner-occupied housing units (B25077), same 5-year file as taxes unless noted in scope.

County population (2024 estimate)
36,107

U.S. Census Bureau county-equivalent population estimates (POPESTIMATE2024). Citation in references.

How this compares nationally

Jefferson County’s modeled effective rate here is 1.71% of this page’s benchmark. That modeled effective rate is above the broad national band many surveys use for orientation (often roughly 1–1.3% of home value, varying by source and methodology)—state and county structures differ widely.

Orientation band (~1–1.3%): many U.S. surveys summarize owner-occupied property taxes in that range as a share of value—definitions differ. See Tax Foundation — Property taxes as a percentage of owner-occupied housing value (state / local, illustrative national context).

Estimate

Modeled property tax

Annual tax (modeled)

$2,026

Jefferson County — median owner-occupied real estate taxes ($2,026) and median home value ($118,400) from U.S. Census Bureau ACS 2023 5-year (Tables B25103 / B25077). Implied effective rate ≈ 1.71% (median tax ÷ median value).

Breakdown

Levy components

Major portions of the published rate stack (schools, county, specials) as labeled on the cited source—not parcel-specific.

ComponentDetail
County & townshipIllinois **property tax** stacks **county**, **municipal**, **school**, and **special** districts—**township** assessors support many counties.
Extensions**Tax bills** show **extension** lines for each taxing body on your parcel—compare to the county median snapshot.

Assessment & taxable value

Illinois uses **township** assessment cycles and **board of review** adjustments before **extension**—taxing districts certify levies that appear on your bill.

Exemptions & credits

  • HomesteadReference

    General homestead exemption

    Illinois provides **homestead** exemptions and **senior** programs—amounts and income tests change with enactment; file with the **county assessment** office.

  • SeniorReference

    Senior assessment freeze (where eligible)

    Qualifying seniors may freeze assessments—verify rules with **county** materials.

  • Other creditReference

    Assessment appeal

    Appeal **assessed value** with your **board of review** on published deadlines after your notice.

Programs include **general homestead**, **senior freeze**, and **disabled** exemptions—**Illinois Department of Revenue** and **county assessment** offices publish forms.

Tools

Estimate for your home

Move the slider to scale this page’s published model to a different home value. Illustrative only.

Your value

$0—$1,618,400
Value
$

Illustrative annual tax

$2,026

Implied effective rate at this value: 1.71% (after value scaling).

The slider scales the headline modeled tax in proportion to this page’s benchmark home value. If your taxable assessed value differs from market price (caps, fractional assessment, exemptions), your actual bill will not match a simple market multiple.

Not a tax bill, legal estimate, or appeal tool. Exemptions, caps, specials, and assessment rules can change your actual amount; confirm with your assessor or collector.

FAQ

Common questions

Short answers tied to this county’s model—always confirm dates and eligibility on official notices.

How are property taxes calculated in Jefferson County?

Rate Gazetteer uses U.S. Census Bureau ACS 2023 5-year county medians (B25103 / B25077) for real estate taxes paid and owner-occupied home value; implied rate = median tax ÷ median value. This is a survey rollup—your county assessment office and taxing districts sets parcel mills and assessments. Jefferson County — median owner-occupied real estate taxes ($2,026) and median home value ($118,400) from U.S. Census Bureau ACS 2023 5-year (Tables B25103 / B25077). Implied effective rate ≈ 1.71% (median tax ÷ median value).

When are property taxes due in Illinois?

Illinois property tax installments are set by county collectors—many jurisdictions bill in two installments with spring and fall due dates—confirm on your county statement.

How can I lower my property tax bill in Jefferson County?

Appeal assessed value through your county board of review after your supervisor of assessments notice, claim homestead and senior programs you qualify for, and verify extension lines on your bill—Illinois Department of Revenue publishes statewide guidance.

What exemptions or assessment appeals matter in Jefferson County?

Illinois combines general homestead, senior, and disabled exemptions with board of review appeals—amounts change with enactment; use county assessment offices and IDOR publications. Programs include general homestead, senior freeze, and disabled exemptions—Illinois Department of Revenue and county assessment offices publish forms.

Why don’t these county medians match my property tax bill?

This page uses U.S. Census Bureau ACS county medians—a statistical summary of owner-occupied homes, not your parcel’s assessed value, class, or mill rate stack. Confirm exemptions and district lines on your county treasurer / collector materials.

Sources

Verification

Primary reference

U.S. Census Bureau — American Community Survey (2023 5-year), Tables B25103, B25077, and B01003, county level (Illinois)
Last verified
2026-04-18
Evidence type
Estimated

Built from secondary sources, summaries, or mixed references—not a single primary document.

County figures use **ACS 2023 5-year** **medians** for annual property taxes and owner-occupied home value; population from **B01003** (same survey) or **POPESTIMATE2024** where matched. Implied **effective rate** = median tax ÷ median value—a county summary, **not** every parcel. Confirm **millage** and **exemptions** with local officials.

Related official pages

Reference population (context): 36,107