Carterville property tax: where it goes
A typical Carterville house pays about $4,460 a year on the property tax bill, including flat charges on the same bill. Estimated from public rates, not anyone's actual bill.
A Carterville house pays 7.477% of its taxable value in property tax. For a house at $65,700 of value before exemptions with the homestead exemption, that's about $4,464 a year.
Tax is levied on County district rates for Williamson County tax code 01003, 2025 tax year..
Williamson County's 2025 rates (payable 2026) are the latest; 2026 rates are not set until 2027.
Who taxes this house
| Taxing agency | Rate | On $65,700 |
|---|---|---|
| Williamson County government | 1.5336% | $916 |
| County road and bridge | 0.0644% | $38 |
| Williamson County airport | 0.0953% | $57 |
| John A. Logan College (District 530) | 0.6313% | $377 |
| Carterville Unit School District 5 (schools) | 4.2704% | $2,549 |
| City of Carterville | 0.6522% | $389 |
| Anne West Lindsey Library | 0.2294% | $137 |
| Total | 7.477% | $4,464 |
2025 tax year (payable 2026), Williamson County tax code 01003. Exemptions applied: General homestead exemption (reduces EAV, up to $6,000 in counties other than Cook and those next to it) ($6,000).
Ways to pay less
- Seniors 65+: senior homestead exemption. The senior exemption reduces equalized assessed value by $5,000 in counties other than Cook and those next to it.
- Seniors 65+ with household income of $75,000 or less: assessment freeze. The freeze is open to people at least 65 with household income of $75,000 or less for taxable year 2026 (payable in 2027). How: File Form PTAX-340 each year with the county assessment office.
Sources
Checked October 31, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.
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