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Illinois · FIPS 17037 · ACS 2020–2024

DeKalb County, Illinois property tax rate

Homeowners in DeKalb County paid a median of $5,974 a year in real estate taxes on a median home value of $243,600 (2020–2024 survey). Taxes came to 2.24% of home value, 20% above the Illinois rate of 1.88% and 139% above the U.S. rate of 0.94%.

  • 2.24%Effective tax rate±0.10% margin · Illinois: 1.88%
  • $5,974Median tax per yearIllinois: $5,298 · U.S.: $3,119
  • $243,600Median home valueIllinois: $263,300
  • 24,280Owner-occupied homes61% of households own

Estimate your property tax

Rate defaults to the DeKalb County effective rate. Results update as you type and stay in your browser.

Default: the local median home value, rounded.

Default: DeKalb County average. Your last tax bill ÷ your home’s market value gives your own rate.

Estimated tax at this rate$5,478/year
The same home value at each average rate
RateEffective ratePer yearPer month
DeKalb County average2.24%$5,478$456
Illinois average1.88%$4,577$381
U.S. average0.94%$2,293$191
Property taxes in DeKalb County: 2020–2024 compared with Illinois, the U.S. and 2019–2023
MeasureDeKalb CountyIllinoisU.S.DeKalb County 2019–2023Change
Effective tax rate2.24%1.88%0.94%2.37%−0.12 pts
Median tax, all owners$5,974$5,298$3,119$5,889+$85 (+1.4%)
Median tax, with a mortgage$6,144$5,833$3,489$6,108+$36 (+0.6%)
Median tax, no mortgage$5,601$4,463$2,576$5,430+$171 (+3.1%)
Median home value$243,600$263,300$332,700$231,900+$11,700 (+5.0%)
Total taxes paid$144,980,600$20,991,766,400$360,573,527,500$142,050,100

How DeKalb County compares

  • Per $1,000 of home value, owners here paid about $22.45 a year, against $18.76 statewide and $9.40 nationally.
  • Rank in Illinois: 91 of 95 counties from lowest to highest effective rate (among those with reliable estimates). Nationally, 100% of 2,682 counties had a lower rate.
  • Homes with a mortgage: 2.30% of value; homes without one: 2.13%. Median bills: $6,144 and $5,601.
  • Compared with the 2019–2023 survey, the effective rate fell (−0.12 pts) and the median tax changed +$85 (+1.4%). 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 2.24% ± 0.10% at 90% confidence, from a sample of the 24,280 owner-occupied homes.

Illinois counties with similar rates

Closest effective property tax rates in Illinois, 2020–2024
CountyEffective rateMedian taxMedian value
McLean County2.11%$4,524$208,400
Rock Island County2.13%$3,425$150,400
Peoria County2.15%$3,552$158,500
Kane County2.18%$7,382$327,000
Lake County2.26%$8,923$345,700
McHenry County2.26%$7,274$308,100
Winnebago County2.28%$3,930$164,500
Kendall County2.28%$7,651$322,400

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.

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