How much are property taxes in Algonquin Township, IL?

Name: Property taxes in Algonquin Township, IL, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Homeowners in Algonquin Township, IL pay a median of $7,256 (±$168) a year in real estate taxes (2020–2024 American Community Survey, table B25103).

Homes with a mortgage pay a median of $7,426.

Homes without a mortgage pay a median of $6,833.

That is about 2.4% of the median home value of $304,400.

In Algonquin Township, the median real estate tax went from $6,391 in 2015–2019 to $7,256 in 2020–2024 (+13.5%).

Prices (CPI-U) rose 22.7% over the same years, so it rose more slowly than prices: a measurable decrease after inflation.

Figures last updated on November 12, 2026.

Median real estate taxes: $7,256 (±$168)
With a mortgage: $7,426
Without a mortgage: $6,833
Share of median value: 2.4%

Real estate taxes in Algonquin Township against McHenry County, its state and the nation

Median real estate taxes paid a year, estimate (90% margin of error)
	Algonquin Township	McHenry County	Illinois	United States
Median real estate taxes	$7,256 (±$168)	$7,274 (±$94)	$5,298 (±$22)	$3,119
Homes with a mortgage	$7,426 (±$224)	$7,467 (±$118)	$5,833 (±$28)	$3,489
Homes without a mortgage	$6,833 (±$298)	$6,870 (±$174)	$4,463 (±$30)	$2,576
Median home value	$304,400 (±$7,500)	$308,100 (±$3,743)	$263,300 (±$797)	$332,700

In Algonquin Township, the median real estate tax is not measurably different from McHenry County ($7,274).

It is also higher than in Illinois ($5,298).

It is higher than the national figure ($3,119).

In McHenry County, Algonquin Township ranks 23 of 46 places with a published estimate, from highest to lowest median real estate taxes.

Statewide, it ranks 212 of 2,625.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

Taxes as a share of home value in Algonquin Township

The median tax ($7,256) is 2.4% of the median home value ($304,400).

Across McHenry County the same ratio is 2.4%.

Across Illinois it is 2.0%.

This is a ratio of two medians, a rough effective rate: not the tax rate or mill rate the town, county or school district sets, and not any one home’s bill.

Owners report what they paid and what they think their home is worth; the assessor’s office publishes the actual rates and assessments.

How property taxes in Algonquin Township have changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Median real estate taxes	$6,391 (±$88)	$7,256 (±$168)	+13.5%	Down after inflation
Median home value	$220,800 (±$3,224)	$304,400 (±$7,500)	+37.9%	Up after inflation
Median owner cost with a mortgage	$1,829 (±$35)	$2,140 (±$60)	+17.0%	Down after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Median real estate taxes in places near Algonquin Township

Nearest places with a published estimate, compared with Algonquin Township
Place	Distance	Median real estate taxes	Compared with this place
Algonquin Township	—	$7,256 (±$168)	—
Trout Valley	1.4 mi	$10,000 or more	—
Cary	1.7 mi	$8,089 (±$348)	Higher
Lake in the Hills	2.4 mi	$7,430 (±$266)	Not measurably different
Fox River Grove	3.2 mi	$7,991 (±$700)	Higher
Algonquin	3.6 mi	$8,025 (±$229)	Higher
Crystal Lake	3.8 mi	$7,720 (±$286)	Higher
Oakwood Hills	3.9 mi	$6,920 (±$485)	Not measurably different
Prairie Grove	5.2 mi	$10,000 or more	—

Nearby places with a measurably higher figure: Cary, IL ($8,089), Fox River Grove, IL ($7,991), Algonquin, IL ($8,025).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Median real estate taxes across McHenry County, place by place

Rank	Place	Median real estate taxes
17	Fox River Grove	$7,991 (±$700)
18	Nunda Township	$7,784 (±$306)
19	Crystal Lake	$7,720 (±$286)
20	Huntley	$7,537 (±$383)
21	Lake in the Hills	$7,430 (±$266)
22	Johnsburg	$7,367 (±$615)
23	Algonquin Township	$7,256 (±$168)
24	Lakemoor	$7,103 (±$719)
25	Oakwood Hills	$6,920 (±$485)
26	Dorr Township	$6,734 (±$323)
27	Alden Township	$6,577 (±$820)
28	Island Lake	$6,500 (±$453)
29	Woodstock	$6,482 (±$289)

Showing 13 of 46 places in McHenry County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Algonquin Township

How much are property taxes in Algonquin Township?

The median real estate tax paid by homeowners in Algonquin Township, IL is $7,256 (±$168) a year (2020–2024 American Community Survey).

What is the property tax rate in Algonquin Township?

The Census Bureau does not publish tax rates; as a rough guide, the median tax paid is 2.4% of the median home value in Algonquin Township, and the actual rate is set by the town, county and school district.

Have property taxes in Algonquin Township gone up?

In Algonquin Township, the median real estate tax went from $6,391 in 2015–2019 to $7,256 in 2020–2024 (+13.5%).

Prices (CPI-U) rose 22.7% over the same years, so it rose more slowly than prices: a measurable decrease after inflation.

Are property taxes in Algonquin Township higher than in McHenry County?

In Algonquin Township, the median real estate tax is not measurably different from McHenry County ($7,274).

It is also higher than in Illinois ($5,298).

It is higher than the national figure ($3,119).

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) and detailed tables (acs/acs5) for Algonquin township, McHenry County, Illinois (county subdivision:00698, in state:17 county:111).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B25103_001E, B25103_001M, B25077_001E, B25077_001M, B25088_002E, B25088_002M from the 2019 release.

The API needs a free key.

Request a Census API key.

B25103_001E, B25103_001M, B25103_002E, B25103_002M, B25103_003E, B25103_003M, DP04_0089E, DP04_0089M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.