Collected and spent
In 2022, Lake County spent about $397.0M. This is a Census of Governments estimate across all of its funds.
Where the money comes from
One tax.
Details
Lake County (IL) 2024 property tax — county levy modeled at 20 mills on 33.33% AV (effective ~0.67% on market). Verify at Lake County Supervisor of AssessmentsWhere it goes
Seven service lines.
Bars in both tables share one scale. Hatched lines pay for past obligations, not current services.
Who decides
The County Board adopts the yearly budget. In September it decides how much county tax to levy. The county tells the clerk the amounts by the last Tuesday in December. 19 Board members, each elected from one district.
Details
35 ILCS 200/18-10, county levies; 55 ILCS 5/6-1001, annual budget (read 2026-10-10)When decisions happen
The fiscal year starts on December 1 and ends the next November 30. State law ends all spending authority when the fiscal year closes.
How to reach it
Details
Lake County 2021 Approved Annual Budget, glossary and budget overview (read 2026-10-10)Also on this tax bill
A Lake County address pays these governments too. Which school districts and cities apply depends on the address.
On every bill in Lake County
On some bills, depending on the address
School districts: 35. Find yours by address.
Cities: 20
Sources
Details
Lake County (IL) 2024 property tax — county levy modeled at 20 mills on 33.33% AV (effective ~0.67% on market). Verify at Lake County Supervisor of AssessmentsDetails
35 ILCS 200/18-10, county levies; 55 ILCS 5/6-1001, annual budget (read 2026-10-10)Details
Lake County 2021 Approved Annual Budget, glossary and budget overview (read 2026-10-10)Details
Lake County Board Members page, Contact Us block (read 2026-10-10)To act on what you have read
Who Taxes Me describes. These three tools, made by the same team, are where you can do something about it. Each opens in a new tab.