Homeowners in Marengo, McHenry County, pay about 2.00% of their home's value in property tax each year. The median bill is $5,234.
At Marengo's typical rate of 2.00%. Exemptions lower the real bill.
| Home value | Property tax (estimate) |
|---|---|
| $250,000 | $4,991 |
| $350,000 | $6,988 |
| $450,000 | $8,984 |
| $600,000 | $11,979 |
| $800,000 | $15,972 |
A family with a $229,900 home in Marengo pays about $4,590 in property tax. With $120,000 of income they also pay about $5,940 in Illinois income tax, so their SALT deduction is $10,530 — under the $40,400 cap. That alone does not beat the $32,200 standard deduction for married couples; mortgage interest and charity decide the rest.
| Town | County | Rate | Median bill |
|---|---|---|---|
| Hampshire | Kane | 2.21% | $7,705 |
| Huntley | McHenry | 2.13% | $7,537 |
| Pingree Grove | Kane | 2.19% | $7,391 |
| Lakewood | McHenry | 2.44% | $10,000+ |
| Woodstock | McHenry | 2.52% | $6,482 |
| Gilberts | Kane | 2.23% | $8,462 |
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Unofficial estimate, not a tax bill. Updated 2026-10-08.
Homeowners in Marengo pay a typical effective property tax rate of 2.00% of home value per year. The median annual bill is $5,234 and the median home value is $229,900 (U.S. Census ACS 2020–2024).
About $7,986 per year at Marengo's typical rate of 2.00%. The homeowner exemption and other exemptions lower the actual bill.
Marengo's typical rate of 2.00% is lower than the McHenry County average of 2.26%.
Yes, if you itemize. For 2026, property tax plus Illinois income tax count toward the SALT deduction, capped at $40,400 ($20,200 if married filing separately) and reduced above $505,000 of income. Itemizing helps only if your total deductions beat the standard deduction: $32,200 married filing jointly, $16,100 single, $24,150 head of household.
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