Census tracts · Crystal Lake, IL

Census tracts in Crystal Lake, Illinois

8 census tracts lie mostly within Crystal Lake, and 10 more reach into it, by the 2020 census blocks they share. Median household income runs from $63,378 in Tract 8713.13 to $135,273 in Tract 8711.05, against $108,418 for Crystal Lake as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of Crystal Lake earn the most and the least?

The five tracts with the highest and the lowest median household income among those mostly within Crystal Lake and with a reliable estimate.

Tract 8711.05 $135,273
Tract 8708.07 $129,853
Tract 8712.08 $123,443
Tract 8712.01 $109,451
Tract 8708.08 $108,872
Tract 8713.01 $92,583
Tract 8712.02 $80,833
Tract 8713.13 $63,378

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

Every census tract in Crystal Lake

Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside Crystal Lake.

Census tracts in or partly in Crystal Lake, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Crystal Lake (2024 Gazetteer), which is not always its downtown

Tract 8712.0817111871208	2.7 mi south	McHenry County	3,682±464	$123,443	$325,900	$1,621	98%
Tract 8712.0217111871202	1.0 mi south	McHenry County	5,757±592	$80,833	$244,800	$1,399	95%
Tract 8712.0117111871201	1.0 mi southwest	McHenry County	7,035±891	$109,451	$286,700	$1,708	88%
Tract 8713.0117111871301	1.2 mi east	McHenry County	4,870±463	$92,583	$308,600	$1,224	79%
Tract 8711.0517111871105	1.5 mi southwest	McHenry County	5,440±649	$135,273	$363,500	$1,679	78%
Tract 8708.0817111870808	2.1 mi northeast	McHenry County	3,686±366	$108,872	$371,400	$993	77%
Tract 8708.0717111870807	1.4 mi north	McHenry County	5,330±585	$129,853	$340,100	$1,298	66%
Tract 8713.1317111871313	2.6 mi southeast	McHenry County	2,018±419	$63,378	$170,200	$1,701	57%
Tract 8711.0817111871108	3.1 mi southwest	McHenry County	5,409±623	$130,133	$352,100	$1,770	46%
Tract 8712.0917111871209	2.2 mi south	McHenry County	3,830±552	$63,750	$225,300	$1,622	39%
Tract 8711.1217111871112	2.7 mi west	McHenry County	5,644±680	$151,154	$441,600	$1,588	24%
Tract 8709.0617111870906	5.0 mi northwest	McHenry County	4,637±448	$93,284	$317,500	$1,234	18%
Tract 8711.0717111871107	4.4 mi south	McHenry County	5,473±467	$157,165	$446,200	$2,085	14%
Tract 8713.0417111871304	3.6 mi east	McHenry County	4,050±630	$87,331	$271,200	$950	9%
Tract 8713.1117111871311	4.0 mi southeast	McHenry County	5,078±587	$110,000	$306,800	$1,716	6%
Tract 8708.0917111870809	4.3 mi northeast	McHenry County	8,108±695	$114,258	$336,700	$1,822	4%
Tract 8708.1317111870813	4.6 mi north	McHenry County	4,714±472	$99,219	$308,400	$1,780	4%
Tract 8708.1417111870814	4.6 mi north	McHenry County	3,912±493	$144,432	$424,000	not published	2%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections