Illinois · FIPS 17031 · ACS 2020–2024
Cook County, Illinois property tax rate
Homeowners in Cook County paid a median of $6,191 a year in real estate taxes on a median home value of $324,500 (2020–2024 survey). Taxes came to 1.73% of home value, 8% below the Illinois rate of 1.88% and 84% above the U.S. rate of 0.94%.
- 1.73%Effective tax rate±0.03% margin · Illinois: 1.88%
- $6,191Median tax per yearIllinois: $5,298 · U.S.: $3,119
- $324,500Median home valueIllinois: $263,300
- 1,212,570Owner-occupied homes58% of households own
| Measure | Cook County | Illinois | U.S. | Cook County 2019–2023 | Change |
|---|---|---|---|---|---|
| Effective tax rate | 1.73% | 1.88% | 0.94% | 1.75% | −0.02 pts |
| Median tax, all owners | $6,191 | $5,298 | $3,119 | $6,053 | +$138 (+2.3%) |
| Median tax, with a mortgage | $6,502 | $5,833 | $3,489 | $6,346 | +$156 (+2.5%) |
| Median tax, no mortgage | $5,638 | $4,463 | $2,576 | $5,496 | +$142 (+2.6%) |
| Median home value | $324,500 | $263,300 | $332,700 | $305,200 | +$19,300 (+6.3%) |
| Total taxes paid | $8,706,708,200 | $20,991,766,400 | $360,573,527,500 | $8,413,095,500 |
How Cook County compares
- Per $1,000 of home value, owners here paid about $17.34 a year, against $18.76 statewide and $9.40 nationally.
- Rank in Illinois: 58 of 95 counties from lowest to highest effective rate (among those with reliable estimates). Nationally, 96% of 2,682 counties had a lower rate.
- Homes with a mortgage: 1.76% of value; homes without one: 1.68%. Median bills: $6,502 and $5,638.
- Compared with the 2019–2023 survey, the effective rate fell (−0.02 pts) and the median tax changed +$138 (+2.3%). The two 5-year surveys share four years of responses, so year-to-year moves are small and partly noise.
- Margin of error: the effective rate is 1.73% ± 0.03% at 90% confidence, from a sample of the 1,212,570 owner-occupied homes.
Illinois counties with similar rates
| County | Effective rate | Median tax | Median value |
|---|---|---|---|
| Marshall County | 1.70% | $2,766 | $142,800 |
| Fulton County | 1.71% | $2,289 | $107,200 |
| Logan County | 1.72% | $2,385 | $134,400 |
| Coles County | 1.72% | $2,474 | $127,400 |
| Moultrie County | 1.74% | $2,414 | $134,000 |
| Whiteside County | 1.74% | $2,598 | $127,100 |
| Carroll County | 1.75% | $2,277 | $114,500 |
| Lee County | 1.77% | $3,048 | $154,600 |
Sources
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, table-based summary file: B25090 (aggregate real estate taxes), B25082 (aggregate home value), B25103 (median real estate taxes), B25077 (median home value) and B25003 (tenure); files dated January 29, 2026.
- U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates, same tables (files dated October 31, 2024), for the comparison column.
- Geography names: Census Bureau Geos20245YR.txt (file dated January 22, 2026).
Effective rate = total real estate taxes paid by owner-occupied homes ÷ their total value, as reported by owners to the Census Bureau. It is not a millage rate. Your bill depends on your assessed value, exemptions (such as homestead) and local levies.