McHenry County, Illinois

In four numbers

People

312,591

Median household income

$104,802

±2,178

Unemployed

4.7%

8,195 of 174,633 in the labour force

Homes with broadband

95.4%

112,176 of 117,594 households

U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.

Who governs here

U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.

School districts based here

• Alden Hebron SD 19

  School district3 schools

  9604 Illinois St, Hebron, IL, 60034

  Its website — where its board posts meetings. Federal record.

• Cary CCSD 26

  School district5 schools

  2115 Crystal Lake Rd, Cary, IL, 60013

  Its website — where its board posts meetings. Federal record.

• CHSD 155

  School district5 schools

  1 Virginia Rd, Crystal Lake, IL, 60014

  Federal record.

• Crystal Lake CCSD 47

  School district13 schools

  300 Commerce Dr, Crystal Lake, IL, 60014

  Its website — where its board posts meetings. Federal record.

• CUSD 300

  School district29 schools

  2550 Harnish Dr, Algonquin, IL, 60102

  Its website — where its board posts meetings. Federal record.

• Fox River Grove Cons SD 3

  School district2 schools

  403 Orchard St, Fox River Grove, IL, 60021

  Its website — where its board posts meetings. Federal record.

• Harrison SD 36

  School district1 schools

  6809 Mccullom Lake Rd, Wonder Lake, IL, 60097

  Its website — where its board posts meetings. Federal record.

• Harvard CUSD 50

  School district5 schools

  401 N Division St, Harvard, IL, 60033

  Its website — where its board posts meetings. Federal record.

• Huntley Comm Sch Dist 158

  School district9 schools

  650 Dr John Burkey Dr, Algonquin, IL, 60102

  Its website — where its board posts meetings. Federal record.

• Johnsburg CUSD 12

  School district4 schools

  2222 Church St, Johnsburg, IL, 60051

  Its website — where its board posts meetings. Federal record.

• Marengo CHSD 154

  School district1 schools

  110 Franks Rd, Marengo, IL, 60152

  Federal record.

• Marengo-Union E Cons D 165

  School district3 schools

  816 E Grant Hwy, Marengo, IL, 60152

  Its website — where its board posts meetings. Federal record.

• McHenry CCSD 15

  School district8 schools

  420 Front St, Mchenry, IL, 60050

  Its website — where its board posts meetings. Federal record.

• McHenry CHSD 156

  School district1 schools

  4716 W Crystal Lake Rd, McHenry, IL, 60050

  Its website — where its board posts meetings. Federal record.

• Nippersink SD 2

  School district3 schools

  4213 US Highway 12, Richmond, IL, 60071

  Its website — where its board posts meetings. Federal record.

• Prairie Grove CSD 46

  School district2 schools

  3223 IL Route 176, Crystal Lake, IL, 60014

  Its website — where its board posts meetings. Federal record.

• Richmond-Burton CHSD 157

  School district1 schools

  4213 US Highway 12, Richmond, IL, 60071

  Its website — where its board posts meetings. Federal record.

• Riley CCSD 18

  School district1 schools

  9406 Riley Rd, Marengo, IL, 60152

  Its website — where its board posts meetings. Federal record.

• Spec Ed Dist of McHenry Co-Sedom

  Specialized district0 schools

  1200 Claussen Dr, Woodstock, IL, 60098

  Federal record.

• Woodstock CUSD 200

  School district12 schools

  2990 Raffel Rd, Woodstock, IL, 60098

  Its website — where its board posts meetings. Federal record.

National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.

Farmers markets

• Huntley Farmers Market

  IL, 11712

  WICSenior coupons

  Submitted by the market; USDA record last changed 2022-04-14. USDA listing

• Woodstock Farmers Market - Winter

  IL, 11900

  SNAP / EBTWICSenior coupons

  Submitted by the market; USDA record last changed 2021-01-26. USDA listing

• Woodstock Farmers Market_Indoor

  IL, 12015

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Woodstock Winter Farmers Market

  IL, 11900

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Woodstock Farmers Market

  101 N. Johnson St. Woodstock, IL, 60098

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Village of Lakemoor Farmers Market

  234 w Rt. 120 Lakemoor, IL, 60051

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Marengo-Brookfield Farmers Market

  2602 Hawthorne Road 2602 Hawthorne Road Marengo, IL, 60152

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Stade's Farm & Market

  3709 Miller Road McHenry, IL, 60051

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Crystal Lake Farmers Market

  Depot Park, Woodstock & Williams Streets, Crystal Lake, IL, 60014

  WIC

  Submitted by the market; USDA record last changed 2021-01-05. USDA listing

• Open Air Farmers Market+ At The Dole Mansion

  401 Country Club Road, Crystal Lake, IL, 60014

  Submitted by the market; USDA record last changed 2021-08-25. USDA listing

• McHenry Farmers' Market

  3400 Pearl St., Veterans Memorial Park, McHenry, IL, 60050

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Marengo Friday Farmers Market

  W Washington Street at S. Ann Street Marengo, IL, 60152

  Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing

• Woodstock Farmers Market-Saturday Summer

  112 S. Benton St., Woodstock, IL, 60098

  SNAP / EBTWICSenior coupons

  Submitted by the market; USDA record last changed 2021-03-12. USDA listing

• Woodstock Farmers Market-Tuesday Summer

  112 S. Benton St., Woodstock, IL, 60098

  SNAP / EBTWICSenior coupons

  Submitted by the market; USDA record last changed 2021-03-12. USDA listing

USDA National Farmers Market Directory; read 2026-09-26.