Homeowners in Prairie Grove, McHenry County, pay about 2.50% of their home's value in property tax each year. The median bill is $10,000+.
At Prairie Grove's typical rate of 2.50%. Exemptions lower the real bill.
| Home value | Property tax (estimate) |
|---|---|
| $250,000 | $6,255 |
| $350,000 | $8,757 |
| $450,000 | $11,259 |
| $600,000 | $15,012 |
| $800,000 | $20,016 |
A family with a $467,600 home in Prairie Grove pays about $11,699 in property tax. With $120,000 of income they also pay about $5,940 in Illinois income tax, so their SALT deduction is $17,639 — 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 |
|---|---|---|---|
| Oakwood Hills | McHenry | 1.90% | $6,920 |
| Island Lake | McHenry | 2.50% | $6,500 |
| Crystal Lake | McHenry | 2.42% | $7,720 |
| McHenry | McHenry | 2.43% | $6,456 |
| Port Barrington | Lake | 2.23% | $9,085 |
| Cary | McHenry | 2.60% | $8,089 |
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 Prairie Grove pay a typical effective property tax rate of 2.50% of home value per year. The median annual bill is $10,000+ and the median home value is $467,600 (U.S. Census ACS 2020–2024).
About $10,008 per year at Prairie Grove's typical rate of 2.50%. The homeowner exemption and other exemptions lower the actual bill.
Prairie Grove's typical rate of 2.50% is higher 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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