Henry County, Illinois
Property Taxes

The average property tax rate in Henry County, Illinois is 1.99%. On the county's median home value of $151,600, that works out to $3,016 per year in property taxes, the 439th highest bill of all 3,211 counties nationally. The next deadline to protest your Henry County property tax assessment is within 30 days of your county's published assessment list.

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A house in Henry County, Illinois
Median tax bill
$3,016
+4.8% year over year

Henry County, Illinois Property Tax Calculator

$50,000$1,500,000
Henry County median$151,600
Illinois median$263,300
U.S. median$332,700
Estimated Property Tax Bill
$3,016/yr
$251/mo
Home value$151,600
Effective Tax Rate1.99%
vs. county median bill$0
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How the Calculator Works

This Henry County, IL property tax calculator estimates your bill the same way the Henry County Supervisor of Assessments does: your home's value multiplied by the local effective tax rate. The Henry County effective property tax rate is 1.99%, compared with the Illinois average of 2.01% and the U.S. average of 0.94%. On the county's median home value of $151,600, that works out to roughly $3,016 a year in Henry County property taxes. Use the estimate above as a starting point, then check the protest playbook below if your county's assessed value looks higher than your calculator estimate suggests it should.

Lower Your Henry County, Illinois Property Taxes

  1. Illustration of a mailbox receiving a tax notice

    Step 1: Check
    Your Timeline

    In Henry County, your assessment notice arrives in your township's reassessment year, and the deadline to appeal it is . It is free to file!

    Notice arrives
    your township's reassessment year
    Appeal deadline
    Filing fee
    free
  2. Illustration of a magnifying glass comparing three neighboring homes

    Step 2: Gather
    Your Evidence

    To file a strong appeal in Henry County, you need proof. Gather these four things before you begin to file.

    • Look up your current assessed property value
    • Research recent sales of similar properties in your area
    • Download the required form:
      Board of Review assessment complaint form
    • Take photos of any property issues that affect value
  3. Illustration of a completed protest form

    Step 3: Submit
    Your Appeal

    Appeals in Henry County are filed with the Henry County Board of Review. View filing instructions

    File with
    Henry County Board of Review
    Appeal form
    Board of Review assessment complaint form
Doing it yourself compared with Abode handling your protest
 Doing it yourselfWith Abode
CostFree$99/yr flat
Time investment6-10 hrs (research + filing)3 min (enrollment only)
Comparable salesYou pull the sales yourselfAutomated comp analysis included
Evidence formattingYou gather and format itProfessional evidence packet included
Filing processYou file the Board of Review assessment complaint form yourselfWe file it for you
Hearing preparationYou appear before the review boardConsultant appears on your behalf
Success rate40-60%88%

Lower your property tax in minutes with Abode Money

Henry County, Illinois Property Tax Rate

The typical Henry County homeowner pays an effective rate of 1.99% of market value each year, just below the Illinois median of 2.01% and well above the U.S. median of 0.94%. By city the median rate runs from 0.75% in Osco to 2.38% in Coal Valley. The table lists the 25th, median, and 75th percentile effective rate for all 17 Henry County cities.

Henry County
1.99%
median effective rate
Illinois median
2.01%
median effective rate
U.S. median
0.94%
median effective rate
All 17 Henry County cities
25th percentile, median, and 75th percentile effective tax rate for every City
City25th percentileMedian75th percentile
Alpha1.71%2.01%2.21%
Andover1.76%1.94%2.07%
Annawan2.10%2.34%2.62%
Atkinson1.82%2.04%2.23%
Bishop Hill1.06%1.46%1.69%
Cambridge1.86%2.08%2.24%
Cleveland1.62%1.78%1.92%
Coal Valley2.09%2.38%2.75%
Colona1.99%2.22%2.52%
Galva2.03%2.24%2.66%

A dash means the Census withholds a figure this rate is worked out from: it does not publish a bill above $10,001 or a home value above $2,000,001. The 25th and 75th percentile rates are an Abode Money estimate, modelled from each city’s own home-value quartiles. The median is the city’s published effective rate.

Showing 110 of 17 Henry County cities

Henry County, Illinois Property Tax Bill

On a median home value of $151,600, the typical Henry County tax bill comes to $3,016 a year, well below the Illinois median of $5,298 and just below the U.S. median of $3,119. Bills scale with value, so they track the map of where the expensive homes are. By city the median bill runs from $822 in Osco to $5,127 in Coal Valley. Search all 17 Henry County cities below to compare the 25th, median, and 75th percentile bill.

Henry County
$3,016
median tax bill
Illinois median
$5,298
median tax bill
U.S. median
$3,119
median tax bill
All 17 Henry County cities
25th percentile, median, and 75th percentile annual property tax bill for every City
City25th percentileMedian75th percentile
Alpha$1,395$2,236$2,949
Andover$2,391$3,178$3,807
Annawan$2,312$3,155$4,442
Atkinson$1,744$2,445$3,154
Bishop Hill$585$1,500$2,287
Cambridge$1,849$2,563$3,190
Cleveland$2,411$3,184$3,969
Coal Valley$3,501$5,127$7,877
Colona$2,380$3,278$4,718
Galva$1,408$1,873$3,117

A dash means the Census withholds that bill. It does not publish a bill above $10,001.

Showing 110 of 17 Henry County cities

Henry County, Illinois Home Values

The median Henry County home is worth $151,600, the value your tax bill is calculated from, versus an Illinois median of $263,300 and a U.S. median of $332,700. Values range widely, with the middle half of Henry County homes between $86,500 and $235,100. By city the median value runs from $73,200 in Kewanee to $215,700 in Coal Valley. The table lists the 25th, median, and 75th percentile value for all 17 cities.

Henry County
$151,600
median home value
Illinois median
$263,300
median home value
U.S. median
$332,700
median home value
All 17 Henry County cities
25th percentile, median, and 75th percentile home value for every City
City25th percentileMedian75th percentile
Alpha$69,500$111,400$146,900
Andover$123,100$163,600$196,000
Annawan$99,000$135,100$190,200
Atkinson$85,300$119,600$154,300
Bishop Hill$40,000$102,500$156,300
Cambridge$88,800$123,100$153,200
Cleveland$135,400$178,800$222,900
Coal Valley$147,300$215,700$331,400
Colona$107,100$147,500$212,300
Galva$62,900$83,700$139,300

A dash means the Census withholds that value. It does not publish a home value above $2,000,001.

Showing 110 of 17 Henry County cities

Henry County, Illinois vs. Nearby Counties

Thinking of moving? Run the tax math first. Of the six counties bordering Henry County, three tax the same home for less. Move a $151,600 home into Stark County, the cheapest neighbor, and the bill falls $451 a year, while Rock Island County, the most expensive, costs $436 more. Bordering effective rates run from 1.69% to 2.28% against Henry County’s 1.99%. One of the five largest Illinois metro counties tax the same home for less. The widest gap across the county line is $887 a year.

$50,000$1,500,000

Henry County vs. Its Neighboring Counties

Effective rate, median bill, and the tax on the same $151,600 home · Henry County and its six bordering counties

Effective tax rate, median bill, and the tax on a $151,600 home in Henry County and each bordering county
CountyEffective rateTheir median billSame home herevs. Henry
Henry County1.99%$3,016$3,016-
Bureau County2.01%$2,548$3,044+$28/yr
Knox County1.96%$2,190$2,967-$49/yr
Mercer County1.96%$2,878$2,974-$42/yr
Rock Island County2.28%$3,425$3,452+$436/yr
Stark County1.69%$1,768$2,565-$451/yr
Whiteside County2.04%$2,598$3,099+$83/yr

Henry County vs. the Big Illinois Metros

Effective rate, median bill, and the tax on the same $151,600 home · Illinois’s five largest metro counties

Effective tax rate, median bill, and the tax on a $151,600 home across the five largest Illinois metro counties
CountyEffective rateTheir median billSame home herevs. Henry
Cook County1.91%$6,191$2,892-$124/yr
DuPage County2.05%$8,007$3,101+$85/yr
Kane County2.26%$7,382$3,422+$406/yr
Lake County2.58%$8,923$3,913+$897/yr
Will County2.24%$7,173$3,402+$386/yr

Henry County, Illinois Property Tax Exemptions

There are 7 property tax exemptions available in Henry County, Illinois. What each saves depends on your own assessed value and local rate, so no fixed yearly figure is shown.

Property tax exemptions available in Henry County, Illinois: who qualifies, what each is worth, and when to file
ExemptionWhat you getSaves a yearWhen to file
General Homestead Exemption (GHE)Owner-occupants who use the residential property as their principal dwelling and are liable for the property taxes.Reduces EAV by up to $6,000 in all counties other than Cook (Cook is $10,000 and counties contiguous to Cook are $8,000).VariesFile with the county Chief County Assessment Office / Supervisor of Assessments; in many counties it auto-renews once granted.
Senior Citizens Homestead ExemptionOwner-occupants age 65 or older who are liable for the property taxes on their principal residence.Reduces EAV by $5,000 in all counties other than Cook (Cook and contiguous counties: $8,000).VariesFile Form PTAX-324 with the Chief County Assessment Office; many counties auto-renew once granted.
Low-income Senior Citizens Assessment Freeze Homestead Exemption (Senior Freeze)Owner-occupants age 65 or older whose total household income is at or below the annual limit and who have owned/occupied the residence for the required period.Freezes the property's EAV at the base-year value so it does not rise with inflation; the current household income maximum is $75,000 or less for taxable year 2026 (rising to $77,000 for 2027 and $79,000 for 2028 and after).VariesFile Form PTAX-340 annually with the Chief County Assessment Office.
Homestead Exemption for Persons with DisabilitiesOwner-occupants with a qualifying disability who use the property as their principal residence.Reduces EAV by $2,000 per year.VariesFile initial Form PTAX-343 (with proof of disability) with the Chief County Assessment Office, then renew each year with Form PTAX-343-R.
Standard Homestead Exemption for Veterans with Disabilities (SHEVD)Veterans (or their surviving spouses) with a service-connected disability of at least 30% certified by the U.S. Department of Veterans Affairs, on a principal residence with total EAV under $250,000.Reduces EAV by $2,500 for a 30% to under 50% disability, by $5,000 for a 50% to under 70% disability, and fully exempts the residential property from taxation for a 70% or greater disability.VariesFile Form PTAX-342 with the Chief County Assessment Office and renew annually with Form PTAX-342-R.
Returning Veterans' Homestead ExemptionVeterans returning from active duty in an armed conflict involving the U.S. Armed Forces, on their principal residence.Reduces EAV by $5,000, applied for two consecutive tax years beginning with the year the veteran returns.VariesFile Form PTAX-341 with the Chief County Assessment Office for the year of return.
Homestead Improvement ExemptionOwner-occupants who make improvements to or rebuild an existing single-family residence that increase its value.Exempts the added value from new improvements, up to an annual maximum of $75,000 in fair cash value (about $25,000 in EAV), for four years after completion.VariesGenerally applied automatically by the township/county assessor upon reassessment; confirm with the Chief County Assessment Office.

Henry County, Illinois Cheat Sheet

Value, rate, bill, rank, and the protest and payment dates · every figure the sections above establish, restated as label and value · Henry County, Illinois

Henry County, Illinois Cheat Sheet
Median tax bill$3,016 a year+4.8% year over year
Effective tax rate1.99%of market value · Illinois 2.01% · U.S. 0.94%
Median home value$151,600the value your bill is calculated from
Middle half of homes$86,500 – $235,10025th to 75th percentile home value
National rank439th highestmedian bill, of 3,211 U.S. counties
Change since 2020+17.0%median bill, $2,577 to $3,016
Effective rate since 2020-5.7%percent change in the rate, not percentage points
Cheapest neighborStark County$451 a year less on the same $151,600 home
Who values your homeHenry County Supervisor of Assessmentsmarket value as of the assessment date
Notice arrivesYour township's reassessment yearNotice of your proposed assessed value, mailed when your township is reassessed
Protest windowWithin 30 days of your county's published assessment listBoard of Review assessment complaint form · free to file · Henry County Board of Review
Protest odds88% win a reductionwith Abode Money · we build the evidence, file, and argue it for you
Payment dueIn two installments a year, with due dates set by each county1.5% per month on each unpaid installment until it is paid (35 ILCS 200/21-15)

Statistics here come from the U.S. Census Bureau’s American Community Survey: what owners report their home is worth and what they paid in tax. They are not assessment roll figures, so they will not match your notice. Nothing here is tax advice.

Henry County, Illinois Property Tax FAQ

Straight answers about property taxes in Henry County, Illinois: the effective rate and typical bill, when taxes are due, the protest deadline, whether an appeal is worth filing, what evidence wins a reduction, and how Abode lowers your bill every year.

The effective property tax rate in Henry County is 1.99%. The typical homeowner pays $3,016 a year on a median home value of $151,600.

Henry County property taxes are due in two installments a year, with due dates set by each county. Bills are issued as a single annual bill each spring by the county Collector, one year in arrears, and late payments are charged 1.5% per month on each unpaid installment until it is paid (35 ILCS 200/21-15). Due dates shift year to year, so confirm the current one with the tax office.

Usually yes. A protest backed by comparable sales or evidence of condition problems stands a real chance of a reduction, and most are settled at an informal review without a hearing. A lower value also becomes the starting point for the following year, so a single win keeps paying. Filing in Henry County is free, and your value cannot be raised because you protested.

The strongest evidence is recent sales of comparable homes: three to five from the past year, nearby, and similar in size, age, and condition. Photos and repair estimates for condition problems help too, because the assessor values homes from the outside. Budget about 2-4 hrs to assemble it.

Abode protests your Henry County assessment every year for $99/yr flat and wins a reduction 88% of the time. Doing it yourself is free but takes 6-10 hrs and wins 40-60% of the time.

Every house on this street pays a different bill.

Make sure yours is the right one. Abode checks your assessment, files your exemptions, and protests when the numbers are off.

Illustration of a residential street at dusk, every window glowing