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County tax profile · 2026 · Census ACS + IRS data

Property Tax & Income in Alexander County, Illinois

Alexander County has an effective property tax rate of 1.81%. On the median home value of $59,800, that's roughly $1,084 per year. Median household income is $47,043.

Effective Property Tax Rate1
1.81%
median tax $1,084 ÷ median home $59,800
Median Home Value1
$59,800
owner-occupied
Median Household Income1
$47,043
per-capita $29,379
Est. Annual Tax on Median Home1
$1,084
at 1.81% effective rate

What you'll pay, at a glance

Property taxes are the largest local tax most homeowners pay. The effective rate measures the real tax bill as a share of home value — a more useful number than the nominal “mill rate,” because assessment practices vary county to county.

MetricAlexander CountyIllinois (state context)
Effective property tax rate11.81%1.80%
Median home value1$59,800—
State income tax3top rate 4.95%top rate 4.95%
State sales tax38.98% combined8.98% combined

How this is calculated

The effective property tax rate is the median real-estate tax bill divided by the median home value — both for owner-occupied homes, from the U.S. Census Bureau's American Community Survey (ACS 5-year estimates)1. Median income is also from the ACS1. Federal and state income-tax figures use IRS2 and Tax Foundation3 data.

About Alexander County, IL

Alexander County sits in southern Illinois, where property taxes run noticeably higher than in much of the country. Its 1.813% effective rate edges past Illinois's statewide median of 1.804%, placing the county 47th among the state's 102 counties — roughly the middle of the pack. Against the national median of 0.794%, however, the difference is stark: owners here pay more than twice the share of home value that the average American does. A median home valued at $59,800 carries an annual tax bill near $1,084, set against a median household income of $47,043 and per-capita income of $29,379. Cairo, the county's largest community, reflects this pattern. The figures signal a county where property taxes take a meaningful bite relative to local earnings, even as home values remain low.

Frequently asked questions

What is the property tax rate in Alexander County, IL?
The effective rate is 1.81% — meaning the median tax bill equals about 1.81% of the median home value.
How much are property taxes on a median home?
On the median home ($59,800), the estimated annual bill is about $1,084.
Is Alexander County's rate high or low?
Compare it to the state median of 1.80% and the national average near 1.1%.
How does the effective rate differ from my mill rate?
A mill rate is the nominal levy per $1,000 of assessed value. The effective rate reflects what you actually pay after exemptions and assessments — it's the median tax bill as a share of median home value, so it better predicts your real cost.
Will a reassessment raise my tax bill?
Not necessarily. If your home's assessed value rises, your bill can go up, but only if the mill rate and exemptions stay flat. Contact the Alexander County assessor's office to review your current assessment.
Can I appeal my property tax assessment?
Yes. Most counties allow an appeal when you believe the assessed value exceeds the market value. File with the Alexander County assessor within the local deadline, typically with comparable sales as evidence.
Sources
[1] U.S. Census Bureau — ACS 5-Year (2023) — Median home value (B25077), median real-estate taxes (B25103), median household income (B19013), per-capita income (B19301).
[2] IRS — Statistics of Income — County income, AGI, and real-estate taxes paid.
[3] Tax Foundation — State income, sales, corporate, and estate/inheritance tax rates.