Real Estate Values and Property Tax Valuation in Williamson County, Illinois

Williamson County has a total of 26,710 properties with a cumulative value of $2.6B. This represents 0.37% of all real estate value in Illinois. Property taxes in Williamson County totaled $59.3M, with an average homeowner paying $2,220 in property taxes compared to the state average of $5,405. The average property tax rate in Williamson County is 2.29%, lower than the state average of 2.47%. Properties are valued for tax purposes based on their estimated market value.

In Illinois, property taxes are based on the value of the property as of January 1st. Property owners have the option to appeal their property taxes between June and December, or within 30 days of when the notices are published. Property tax bills are issued on February 1st and July 1st, with the first installment due on June 1st in Cook County. This first installment is estimated at 55% of the prior year's tax bill, with taxes paid in arrears.

Important Dates
Property Valuation Date:January 1st
Property Tax Appeal Deadline:June - December or 30 days after notices are published
Property Tax Bills Issued:February 1st and July 1st
Real Property Tax Bill Due (1st of #):June, Two installments but due dates may vary by county March 1st, Cook County - 1st half installment, estimated at 55% of prior year tax bill with taxes paid in arrears.
Real Property Tax Bill Due (2nd of #):September, Two installments but due dates may vary by county August 1, Cook County - 2nd half installment - TARGETED but may be delayed - due 30 days after being issued. Reconciled installment using the BOR certified AV, actual local tax rate, and final state equalization factor, less the estimated 1st installment with taxes paid in arrears
Available Exemptions
SeniorAvailable
DisabledAvailable
HomesteadAvailable
VeteranAvailable
Solar/WindAvailable
CharitableAvailable

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Real Estate Statistics in Williamson County

Total Real Estate Value
$2.6B
Total Real Property Taxes
$59.3M
Average Property Tax Rate
2.29%
# of Real Properties
26.7K

Residential Property Taxes by Cities in Williamson County

Williamson County has an average property tax rate of 2.29%, which is slightly lower than the national average of 2.31%. This rate is applied to the assessed value of a property to calculate the amount of taxes due. Property taxes in Williamson County are collected by the county and distributed to the cities, towns, and other local governments.

Property tax rates vary across the cities in Williamson County. Herrin has the highest effective property tax rate at 2.51%, while Hurst has the lowest effective property tax rate at 1.76%. The average property tax bill in Williamson County is $2,220, which is slightly lower than the national average of $2,279. Property taxes are an important source of revenue for local governments in Williamson County, and the county is committed to ensuring that taxes are fairly and equitably distributed.

Tax Assessment Value

The following table shows the 10th, 25th, 50th, 75th, and 90th percentile of property assessment value in each city in Williamson County. The tax assessment value may differ from the potential sale value, and is used to calculate the property tax for each piece of real estate.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Cambria$4,656$22,140$42,990$63,540$97,428
Carbondale$3,630$20,392$71,130$152,438$210,594
Carterville$28,974$57,930$101,880$163,260$228,504
Creal Springs$8,508$29,430$71,460$132,180$185,184
Energy$25,257$59,310$90,120$118,312$172,476
Herrin$23,310$40,335$62,130$105,945$167,466
Hurst$4,080$19,680$33,270$48,765$74,970
Johnston City$12,990$31,290$47,460$80,010$126,588
Marion$25,389$51,600$89,010$152,798$224,460
Pittsburg$8,358$28,230$54,930$100,170$155,286
West Frankfort$8,385$41,160$81,510$131,468$200,970

Property Tax Bill

This table shows the percentiles of actual property tax paid on residential properties for each city in Williamson County.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Cambria$76$279$720$1,273$2,156
Carbondale$76$372$1,575$3,574$5,140
Carterville$370$1,096$2,243$3,883$5,759
Creal Springs$179$552$1,584$3,067$4,571
Energy$265$915$1,769$2,630$4,148
Herrin$287$785$1,460$2,662$4,574
Hurst$48$165$494$931$1,386
Johnston City$117$446$1,046$1,828$3,004
Marion$299$947$1,842$3,416$5,330
Pittsburg$92$421$1,018$2,137$3,608
West Frankfort$158$575$1,573$2,853$4,355

Effective Property Tax Rate

The effective property tax rate is calculated by dividing the property tax bill by the assessed value. For the percentiles below, the calculation is performed using the percentiles for property tax bill and assessed value above. Therefore, each consecutive percentile doesn't necessarily show a larger value.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Cambria 1.63% 1.26% 1.67% 2.00% 2.21%
Carbondale 2.09% 1.82% 2.21% 2.34% 2.44%
Carterville 1.28% 1.89% 2.20% 2.38% 2.52%
Creal Springs 2.10% 1.88% 2.22% 2.32% 2.47%
Energy 1.05% 1.54% 1.96% 2.22% 2.40%
Herrin 1.23% 1.95% 2.35% 2.51% 2.73%
Hurst 1.18% 0.84% 1.48% 1.91% 1.85%
Johnston City 0.90% 1.43% 2.20% 2.28% 2.37%
Marion 1.18% 1.84% 2.07% 2.24% 2.37%
Pittsburg 1.10% 1.49% 1.85% 2.13% 2.32%
West Frankfort 1.88% 1.40% 1.93% 2.17% 2.17%

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Real Estate Values in Williamson County

The median home price in Williamson County, Illinois has seen a significant increase from October 2022 to October 2023, with an 80.86% increase in price. This is likely due to the decrease in home inventory in the area, as there were 251 homes available in October 2022, and only 237 homes available in October 2023. This suggests that the demand for homes in the area is increasing, leading to an increase in prices.

Median Sale Value
$189.9K
Total Active Listings
237
Annual percent change in median sale price
80.86%

Average Home Value in Williamson County, Illinois

Last updated: November 2023

Percent Change in Total Home Sales in Williamson County

Last updated: November 2023

Percent Change in New Home Listings in Williamson County

Last updated: November 2023

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Mortgage Rates in Williamson County

Williamson County is home to an impressive $555.5M in outstanding home mortgage loans. This represents an average of 3.2K loans across the county, with a median loan amount of $174,000. The median mortgage rate in Williamson County is 4.02%, which is slightly higher than the national average of 3.99%. However, there is a significant variation in mortgage rates across the county, with Cambria having the highest median rate of 4.25% and Carbondale having the lowest median rate of 3.62%. This variation in rates can have a significant impact on the total cost of a loan, so it is important for potential homebuyers to shop around and compare rates. Overall, the total outstanding loan amount in Williamson County is a testament to the strength of the local housing market, representing approximately 66% of the total home value in the county.

# of Outstanding Loans
3.2K
Total Outstanding Loan Amount
$555.5M
Properties with Loans
11.98%

Outstanding Mortgages

The table below shows the percentile distribution of outstanding loans on residential properties in Williamson County by city.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Cambria$31,881$59,460$79,373$99,575$177,617
Carbondale$68,209$84,659$146,811$209,984$247,028
Carterville$61,813$91,768$131,373$182,308$260,738
Creal Springs$26,728$74,937$123,221$195,663$300,757
Energy$58,503$85,934$126,810$150,527$183,673
Herrin$33,669$57,491$89,037$139,688$199,532
Hurst$19,220$33,029$52,220$60,991$93,476
Johnston City$32,811$53,219$76,097$116,338$165,603
Marion$48,026$73,793$118,870$178,945$266,271
Pittsburg$39,336$51,950$88,532$121,261$230,118
West Frankfort$30,137$61,737$108,543$140,319$226,768

Mortgage Rates

The following table shows the 10th, 25th, 50th, 75th, and 90th percentile of mortgage rates in cities across Williamson County.

City10th Percentile25th PercentileMedian75th Percentile90th Percentile
Cambria 3.02% 3.50% 4.25% 4.60% 5.55%
Carbondale 2.80% 3.00% 3.62% 4.62% 4.88%
Carterville 2.80% 3.13% 3.89% 4.63% 5.50%
Creal Springs 2.80% 3.00% 3.88% 4.75% 5.36%
Energy 2.75% 3.13% 3.75% 4.57% 4.92%
Herrin 2.80% 3.13% 3.75% 4.60% 5.25%
Hurst 2.98% 3.14% 3.84% 4.47% 4.75%
Johnston City 2.80% 3.00% 3.75% 4.75% 5.25%
Marion 2.80% 3.13% 3.94% 4.69% 5.25%
Pittsburg 2.79% 3.52% 4.13% 4.75% 5.30%
West Frankfort 2.80% 3.75% 3.99% 4.54% 4.92%

Housing Expenses in Williamson County, Illinois

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Frequently asked questions

We currently operate in Texas, California, Washington, Georgia, Florida and Illinois.
We use a private national data provider that cross-references with county recorder's offices to verify ownership. If in the event our system is unable to verify the property, our team will take further steps to investigate ownership and reach out to the customer for confirmation.
Our success rate varies across geographies; however, in any given year, we typically win more than 70% of our cases, saving clients an average of $1,457 on their property taxes.
Yes, in the market areas we serve, we have a dedicated Property Tax Consultant that is physically present in the market they are servicing. The specialist assigned to your property has the necessary geographical competence to provide exemplary service!
The average property tax rate in Williamson County is 2.29%.
The following exemptions and discounts are available in Williamson County: Charitable, Disabled, Homestead and Senior