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McHenry County, Illinois facts for kids

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McHenry County
Old McHenry County Courthouse in Woodstock
Official seal of McHenry County
Seal
Map of Illinois highlighting McHenry County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Country  United States
State  Illinois
Founded January 16th, 1836
Named for William McHenry
Seat Woodstock
Largest city Crystal Lake
Area
 • Total 611 sq mi (1,580 km2)
 • Land 603 sq mi (1,560 km2)
 • Water 7.6 sq mi (20 km2)  1.3%
Population
 (2020)
 • Total 310,229
 • Density 507.7/sq mi (196.04/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional districts 6th, 14th

McHenry County is a county located in the U.S. state of Illinois. According to the 2020 Census, it had a population of 310,229, making it the sixth-most populous county in Illinois. Its county seat is Woodstock. McHenry County is one of the five collar counties of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area. Long known as a center of recreation along with agriculture in the western portion, it has more recently experienced rapid rates of suburbanization, exurbanization and urbanization, but the western portions of the county remain primarily agricultural and rural.

History

McHenry County was formed in 1836 out of Cook and LaSalle counties. The county was named for Major William McHenry, an Indian fighter who died in Vandalia in 1835.

McHenry County originally stretched all the way east to Lake Michigan, with the county seat centrally in McHenry, but in 1839, the eastern townships of the county were carved out to form Lake County.

Historical sites

Geography

According to the U.S. Census Bureau, the county has a total area of 611 square miles (1,580 km2), of which 603 square miles (1,560 km2) is land and 7.6 square miles (20 km2) (1.3%) is water.

Adjacent counties

Climate and weather

Weather chart for Woodstock, Illinois
J F M A M J J A S O N D
 
 
1.5
 
28
11
 
 
1.3
 
33
16
 
 
2.4
 
45
26
 
 
3.7
 
59
37
 
 
4.1
 
71
47
 
 
4.6
 
81
57
 
 
3.9
 
85
62
 
 
4.5
 
82
60
 
 
3.3
 
75
51
 
 
2.6
 
63
39
 
 
2.7
 
47
29
 
 
2
 
33
17
temperatures in °F
precipitation totals in inches
source: The Weather Channel

In recent years, average temperatures in the county seat of Woodstock have ranged from a low of 11 °F (−12 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −29 °F (−34 °C) was recorded in January 1979 and a record high of 109 °F (43 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.29 inches (33 mm) in February to 4.56 inches (116 mm) in June.

McHenry County is like much of the Upper Midwest, as it usually sees hot, humid summers, and cold, snowy winters. The county is notably susceptible to high wind events, blizzards, severe thunderstorms, tornadoes, and flooding.

Some of the most notable weather events in the county include the 1965 Palm Sunday tornado outbreak, the Blizzard of 1967, the 1967 Belvidere - Oak Lawn tornado outbreak, the Blizzard of 1979, the Flood of 1996, the Blizzard of 1999, the Early Winter 2006 North American Storm Complex, the 2007 Midwest flooding event, the January 2008 tornado outbreak sequence, and the Blizzard of 2011.

Demographics

Historical population
Census Pop.
1840 2,578
1850 14,978 481.0%
1860 22,089 47.5%
1870 23,762 7.6%
1880 24,908 4.8%
1890 26,114 4.8%
1900 29,759 14.0%
1910 32,509 9.2%
1920 33,164 2.0%
1930 35,079 5.8%
1940 37,311 6.4%
1950 50,656 35.8%
1960 84,210 66.2%
1970 111,555 32.5%
1980 147,897 32.6%
1990 183,241 23.9%
2000 260,075 41.9%
2010 308,760 18.7%
2020 310,229 0.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2019 2020

As of the 2010 census, there were 308,760 people, 109,199 households, and 82,288 families residing in the county. The population density was 511.9 inhabitants per square mile (197.6/km2). There were 116,040 housing units at an average density of 192.4 per square mile (74.3/km2). The racial makeup of the county was 90.1% white, 2.5% Asian, 1.1% black or African American, 0.3% American Indian, 4.3% from other races, and 1.7% from two or more races. Those of Hispanic or Latino origin made up 11.4% of the population. In terms of ancestry, 34.4% were of German heritage, 18.7% were of Irish ancestry, 14.2% Polish, 10.8% Italian, 7.8% English, and 3.7% of American heritage.

Of the 109,199 households, 40.1% had children under the age of 18 living with them, 62.3% were married couples living together, 8.9% had a female householder with no husband present, 24.6% were non-families, and 19.8% of all households were made up of individuals. The average household size was 2.81 and the average family size was 3.25. The median age was 38.0 years.

The median income for a household in the county was $76,482 and the median income for a family was $86,698. Males had a median income of $61,971 versus $42,125 for females. The per capita income for the county was $31,838. About 4.9% of families and 6.2% of the population were below the poverty line, including 8.3% of those under age 18 and 4.6% of those age 65 or over.

Recreation

The entire county is served by the McHenry County Conservation District, which preserves sensitive land throughout the county and provides recreational opportunities for residents. The District also operates the McHenry County Prairie Path, a regional bike path that extends from the Wisconsin State Line in Richmond southward to Algonquin, where the path connects with the Fox River Bike Trail, which continues south to Aurora.

In addition, the Fox River, Kishwaukee River and Chain O'Lakes provide immense opportunities for boating, fishing, swimming, and other water activities. Moraine Hills State Park and Chain O' Lakes State Park are both located in the county, adjacent to the waterway. Other major lakes in the county include Crystal Lake, Wonder Lake, and McCullom Lake.

There are also dozens of parks, golf courses, and country clubs throughout the county.

Major skiing areas include Nordic Ski Jump in Fox River Grove and Buffalo Snowboarding Park in Algonquin. In addition, the Windy City Balloon Port in Fox River Grove offers hot air balloon rides over the Fox River Valley.

Culture

McHenry County has an active art and theater scene. The historic Woodstock Opera House and Crystal Lake's Raue Center for the Arts both provide exceptional programs. In addition, Algonquin is noted for its Public Art Program, which showcases artwork year-round throughout the community. The county is also ideal for photography and filming. Much of the filming for the 1993 movie Groundhog Day took place in Woodstock.

There are also several important points of interest in the county including the Illinois Railway Museum and McHenry County Historical Museum in Union, the Old McHenry County Courthouse in Woodstock, and a variety of historical homes including the Orson Rogers House, George Stickney House, Charles H. Hibbard House, the Terwilliger House, the Count's House, and the Dole Mansion.

Throughout the year are a variety of festivals throughout the county, the centerpiece of which is the McHenry County Fair, occurring during a week in August in Woodstock. Many towns also have their own festivals throughout the year. Some of the most notable ones are the Ground Hog Days in Woodstock, Fall Fest in Huntley, the Summer Sunset Festival in Lake in the Hills, the Gala Festival in Crystal Lake, Milk Days in Harvard, Settler's Days in Marengo, Cary Days in Cary, Founders Days in Algonquin, and Fiesta Days in McHenry.

Transportation

Major highways

  • I-90.svg Interstate 90
  • US 12.svg U.S. Highway 12
  • US 14.svg U.S. Highway 14
  • US 20.svg U.S. Highway 20
  • Illinois 22.svg Illinois Route 22
  • Illinois 23.svg Illinois Route 23
  • Illinois 31.svg Illinois Route 31
  • Illinois 47.svg Illinois Route 47
  • Illinois 62.svg Illinois Route 62
  • Illinois 120.svg Illinois Route 120
  • Illinois 173.svg Illinois Route 173
  • Illinois 176.svg Illinois Route 176

Several Federal and state highways run through McHenry County, including U.S. Highway 20, U.S. Highway 14, U.S. Highway 12, Illinois Route 22, Illinois Route 23, Illinois Route 173, Illinois Route 120, Illinois Route 176, Illinois Route 47, Illinois Route 31, and Illinois Route 62. Highly traveled county highways include Randall Road, Algonquin Road, Rakow Road, and Walkup Road.

McHenry County was the most populous county in the United States without direct access to an Interstate Highway within its borders. As a result, residents usually used the nearby Interstate 90 (the Jane Addams Memorial Tollway), via interchanges in neighboring Kane County. But a new interchange is now completed at I-90 and Illinois Route 23, which provides McHenry County with direct access to the interstate highway system.

Interstate 94 lies to the east of McHenry County in Lake County, Illinois.

Mass transportation

McHenry County is served by Metra Rail, which provides daily commuter service to and from downtown Chicago. There are seven stations in the county, all of them located along the Union Pacific/Northwest Line. The county is also served by Pace, which provides five fixed bus routes (550, 806, 807, 808, and 809), and MCRide Dial-A-Ride transit service operated by Pace and First Transit.

Airports

Lake in the Hills Airport offers general aviation service, as do Dacy Airport and Galt Airport, in the northern part of the county. Chicago-O'Hare International Airport is approximately 30 to 40 miles (48 to 64 km) from the county, while Milwaukee's Milwaukee Mitchell International Airport is approximately 50 to 60 miles (80 to 97 km) away. Chicago Rockford International Airport, a busy cargo airport with limited, scheduled passenger service is located approximately 42 miles (68 km) west of the central part of the county (Woodstock).

Communities

Cities

Villages

Census-designated places

Unincorporated communities

Townships

  • Alden
  • Algonquin
  • Burton
  • Chemung
  • Coral
  • Dorr
  • Dunham
  • Grafton
  • Greenwood
  • Hartland
  • Hebron
  • Marengo
  • McHenry
  • Nunda
  • Richmond
  • Riley
  • Seneca

Economy

Much of McHenry County's economy centers around manufacturing, metalworking, media development and printing, transportation equipment, agriculture, health care, education, retail, food production, distribution, and technology. Gravel mining makes up a sizable portion of the country's economy.

The major employment centers can be found in Crystal Lake, Algonquin, Huntley, McHenry, and Woodstock.

The southern portions of the county are within the scope of the Golden Corridor, the region of commerce along the Jane Addams Memorial Tollway.

Shopping

The county is known for its wide variety of shopping options. McHenry, Crystal Lake, and Algonquin/Lake in the Hills have established themselves as major retail areas, all featuring an array of big box stores, specialty stores, and restaurants. While there are no major malls located within the county, several lie just outside its borders: the lifestyle centers Algonquin Commons and Algonquin Galleria, and the regional indoor mall Spring Hill Mall in West Dundee.

In addition, several historic downtowns throughout the county offer unique shops and eateries in charming environments. The Woodstock Square Historic District, antique shops in Richmond and Hebron, downtown Crystal Lake and downtown Algonquin, and shops in other historic downtowns throughout the county accommodate residents and tourists alike. McHenry's Green Street is also a major attraction in the county.

Education

McHenry County College, a growing community college established in 1967, serves the majority of county residents. The college includes 2,000 full-time students and 5,800 part-time students. The main campus is located on the northwest side of Crystal Lake, along U.S. Route 14. Secondary facilities exist in Crystal Lake and McHenry.

McHenry County also includes dozens of school districts. This is a list of high schools that can be found in the county:

Public High Schools in McHenry County
Name of School School District Enrollment (2018–19) Athletic Conference Team Mascot City
Alden-Hebron High School Alden-Hebron School District #19 110 Northeastern Athletic Conference Giants Hebron
Cary-Grove High School Community High School District 155 1,644 Fox Valley Conference Trojans Cary
Crystal Lake Central High School 1,477 Fox Valley Conference Tigers Crystal Lake
Crystal Lake South High School 1,480 Fox Valley Conference Gators Crystal Lake
Harry D. Jacobs High School Community Unit School District 300 2,089 Fox Valley Conference Golden Eagles Algonquin
Harvard High School Community Unit School District 50 740 Kishwaukee River Conference Hornets Harvard
Huntley High School Consolidated School District 158 3,082 Fox Valley Conference Red Raiders Huntley
Johnsburg High School Johnsburg District 12 593 Kishwaukee River Conference Skyhawks Johnsburg
Marengo Community High School Marengo Community High School District 154 665 Kishwaukee River Conference Indians Marengo
McHenry East High School McHenry Community High School District 156 700 Fox Valley Conference Warriors McHenry
McHenry West High School 1,443 McHenry
Prairie Ridge High School Community High School District 155 1,371 Fox Valley Conference Wolves Crystal Lake
Richmond-Burton Community High School Richmond-Burton High School District 157 636 Kishwaukee River Conference Rockets Richmond
Woodstock High School Woodstock Community Unit School District 200 1,008 Kishwaukee River Conference Blue Streaks Woodstock
Woodstock North High School 949 Kishwaukee River Conference Thunder Woodstock

Students in McHenry County may also be zoned into schools in other counties, such as Dundee-Crown High School in neighboring Carpentersville.

Private High Schools in McHenry County
Name of School Religious Affiliation Enrollment Athletic Conference Team Mascot City
Marian Central Catholic High School Roman Catholic 590 East Suburban Catholic Conference Hurricanes Woodstock

Images for kids

See also

Kids robot.svg In Spanish: Condado de McHenry (Illinois) para niños

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