Henry County, Illinois

Henry County, Illinois
Location in the state of Illinois
Illinois's location in the U.S.
Founded	1826
Seat	Cambridge
Largest city	Kewanee
Area  - Total  - Land  - Water	825.64 sq mi (2,138 km²) 822.98 sq mi (2,132 km²) 2.66 sq mi (7 km²), 0.32%
Population  - (2010)  - Density	50,486 62/sq mi (24/km²)
Time zone	Central: UTC-6/-5
Website	www.co.henry.il.us

Henry County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 50,486, which is a decrease of 1.0% from 51,020 in 2000. Its county seat is Cambridge. It is one of the four counties that make up the Davenport-Moline-Rock Island Metropolitan Statistical Area.

Geography

According to the 2010 census, the county has a total area of 825.64 square miles (2,138.4 km²), of which 822.98 square miles (2,131.5 km²) (or 99.68%) is land and 2.66 square miles (6.9 km²) (or 0.32%) is water. It is the 29th largest of Illinois' 102 counties. The area is fairly flat, with elevations ranging from 650 feet above sea level in the northwest to 850 in the southeast. The land is mostly used for agriculture, about 456,596 acres (1,847.78 km²) or 86.7% of the county's land area. [1].

Major highways

• Interstate 74
• Interstate 80
• Interstate 280
• U.S. Highway 6
• U.S. Highway 34
• Illinois Route 17
• Illinois Route 84
• Illinois Route 78
• Illinois Route 81
• Illinois Route 82
• Illinois Route 92
• Illinois Route 93
• 20px Illinois Route 229

Adjacent counties

• Whiteside County - northeast
• Bureau County - east
• Stark County - southeast
• Knox County - south
• Mercer County - west
• Rock Island County - northwest

History

Henry County was formed in 1826 out of Fulton County, Illinois. It is named in honor of Patrick Henry, Revolutionary War firebrand and champion of individual rights, to whom the slogan "give me liberty, or give me death" is attributed.

• 

  Henry County from the time of its creation to 1827

• 

  The county between 1827 and 1831

• 

  Henry between 1831 and 1836

• 

  Henry in 1836, when the creation of Whiteside County reduced it to its current size

Demographics

2000 census age pyramid for Henry County.

Historical populations
Census	Pop.		%±
1900	40,049		—
1910	41,736		4.2%
1920	45,162		8.2%
1930	43,851		−2.9%
1940	43,798		−0.1%
1950	46,492		6.2%
1960	49,317		6.1%
1970	53,217		7.9%
1980	57,968		8.9%
1990	51,159		−11.7%
2000	51,020		−0.3%
2010	50,486		−1.0%
IL Counties 1900-1990

As of the census of 2000, there were 51,020 people, 20,056 households, and 14,299 families residing in the county. The population density was 62 people per square mile (24/km²). There were 21,270 housing units at an average density of 26 per square mile (10/km²). The racial makeup of the county was 96.19% White, 1.14% Black or African American, 0.10% Native American, 0.25% Asian, 0.01% Pacific Islander, 1.31% from other races, and 0.99% from two or more races. 2.88% of the population were Hispanic or Latino of any race. 24.6% were of German, 12.4% Swedish, 11.6% American, 9.7% English, 9.0% Irish and 8.2% Belgian ancestry according to Census 2000. 96.7% spoke English and 2.5% Spanish as their first language.

There were 20,056 households out of which 31.80% had children under the age of 18 living with them, 60.00% were married couples living together, 8.00% had a female householder with no husband present, and 28.70% were non-families. 25.10% of all households were made up of individuals and 13.20% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 3.00.

In the county the population was spread out with 25.30% under the age of 18, 7.70% from 18 to 24, 26.40% from 25 to 44, 24.30% from 45 to 64, and 16.30% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 96.10 males. For every 100 females age 18 and over, there were 92.50 males.

The median income for a household in the county was $39,854, and the median income for a family was $48,413. Males had a median income of $34,436 versus $21,757 for females. The per capita income for the county was $18,716. About 5.60% of families and 8.00% of the population were below the poverty line, including 10.50% of those under age 18 and 6.60% of those age 65 or over.

Cities and towns

• Alpha
• Andover
• Annawan
• Atkinson
• Bishop Hill
• Cambridge
• Cleveland
• Coal Valley (partial)
• Colona
• Galva
• Geneseo
• Hooppole
• Kewanee
• Orion
• Woodhull

Census-designated places

• Fairbank
• Green Rock
• Lynn Center
• Nekoma
• Opheim
• Sunny Hill
• Sunny Hill Estates
• Swedona
• Ulah
• Warner

Townships

Henry County is divided into twenty-four townships:

Alba Andover Annawan Atkinson Burns Cambridge

Clover Colona Cornwall Edford Galva Geneseo

Hanna Kewanee Loraine Lynn Munson Osco

Oxford Phenix Weller Western Wethersfield Yorktown

Climate and weather

Cambridge, Illinois
Climate chart (explanation)
J F M A M J J A S O N D     1.5   29 13     1.6   35 19     2.7   47 30     3.7   61 40     4.2   73 52     4.2   82 61     3.9   86 66     4.3   83 63     3.3   76 55     3   63 43     2.8   47 31     2.2   33 19 Average max. and min. temperatures in °F Precipitation totals in inches Source: The Weather Channel
Metric conversion J F M A M J J A S O N D     39   -2 -11     40   2 -7     68   8 -1     95   16 4     107   23 11     107   28 16     99   30 19     110   28 17     84   24 13     76   17 6     72   8 -1     55   1 -7 Average max. and min. temperatures in °C Precipitation totals in mm

In recent years, average temperatures in the county seat of Cambridge have ranged from a low of 13 °F (−11 °C) in January to a high of 86 °F (30 °C) in July, although a record low of −24 °F (−31 °C) was recorded in February 1996 and a record high of 103 °F (39 °C) was recorded in July 1983. Average monthly precipitation ranged from 1.52 inches (39 mm) in January to 4.32 inches (110 mm) in August.

See also

• National Register of Historic Places listings in Henry County, Illinois

External links

• Henry County official website
• Henry County Tourism Bureau