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Jefferson County, Illinois: property tax rate, home values and income

Effective property tax rate

1.71%

61st highest of 102 counties in Illinois

Median home value

$118,400

63rd highest in Illinois

Median household income

$61,102

73rd highest in Illinois

Population

36,808

Census ACS 2023

Sources: US Census Bureau, American Community Survey 5-year estimates · Updated 11/03/2026

In Jefferson County, Illinois the effective property tax rate is 1.71%. The median homeowner pays $2,026 a year in real estate taxes on a home with a median value of $118,400. That rate is the 61st highest of the 102 Illinois counties with published data, and the 211th highest of 3,132 counties in the United States.

Property tax in Jefferson County

The effective rate is the median real estate tax paid divided by the median home value. The Illinois statewide average is 2.07%, so Jefferson County is below it. Applying this county's rate to other home prices gives a rough idea of the yearly bill; actual bills depend on the school district, exemptions and the assessed value.

Home valueEstimated tax per yearPer month
$118,400 (county median)$2,030$169
$200,000$3,420$285
$300,000$5,130$428
$400,000$6,840$570
$500,000$8,550$713

Home values and incomes

The median home value is $118,400 (63rd highest in Illinois, 2547th highest nationally) and the median household income is $61,102. Homes cost about 1.9 times a typical household's yearly income. Median gross rent is $862 a month. 71.9% of occupied homes are owner-occupied. Homeowners with a mortgage pay a median of $1,320 a year for insurance. For comparison, the Illinois statewide median home value is $295,943.

Counties near Jefferson County in the Illinois property tax ranking

CountyEffective rateMedian home value
Jersey County1.75%$168,800
Jo Daviess County1.74%$193,900
Montgomery County1.72%$102,200
Jefferson County1.71%$118,400
Marion County1.71%$100,100
Williamson County1.71%$145,600
Monroe County1.70%$265,600

Frequently asked questions

What is the property tax rate in Jefferson County, Illinois?

The effective property tax rate is 1.71% of home value per year, the 61st highest of 102 counties in Illinois (Census ACS 2023 5-year estimates).

How much is property tax on a $300,000 home in Jefferson County?

At the county's effective rate of 1.71%, about $5,130 a year (roughly $428 a month). Your actual bill depends on the assessed value, your school district and exemptions.

What is the median home value in Jefferson County?

The median home value is $118,400 (Census ACS 2023 5-year estimates, owner-occupied homes).

What is the median household income in Jefferson County?

The median household income is $61,102 (Census ACS 2023 5-year estimates).