Hancock County, Illinois facts for kids

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Hancock County, Illinois
Map
Map of Illinois highlighting Hancock County
Location in the state of Illinois
Map of the USA highlighting Illinois
Illinois's location in the U.S.
Statistics
Founded 1825
Seat Carthage
Largest City Hamilton
Area
 - Total
 - Land
 - Water

814 sq mi (2,108 km²)
794 sq mi (2,056 km²)
21 sq mi (54 km²), 2.5%
Population
 - (2010)
 - Density

19,104
24/sq mi (9/km²)
Time zone Central: UTC-6/-5
Website: https://www.hancockcounty-il.gov/
Named for: John Hancock

Hancock County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 19,104. Its county seat is Carthage, and its largest city is Hamilton. The county is made up of rural towns with many farmers.

Hancock County is included in the Fort Madison-Keokuk, IA-IL-MO Micropolitan Statistical Area.

History

Hancock County Illinois 1825
Hancock County at the time of its creation in 1825

Hancock County was part of the "Military Tract" set aside by Congress to reward veterans of the War of 1812. Actual settlement of the interior of the county was delayed by concerns about hostile American Indians. After their defeat in the Blackhawk War in 1832, settlement proceeded quickly.

Hancock County was formed, on January 13, 1825, out of Pike County. It was named in honor of John Hancock, who clearly signed the Declaration of Independence.

For a brief period in the 1840s Hancock had one of Illinois' most populous cities: Nauvoo, which was then headquarters for the Church of Jesus Christ of Latter Day Saints. The movement's founder Joseph Smith was killed in the county seat of Carthage in 1844. Most Mormons left Hancock County in the 1840s. Today, followers of the Latter Day Saint movement come, in increasing numbers, to important Latter Day Saint sites in Hancock County, partly for vacation and partly for religious pilgrimage.

The original courthouse was located at Montebello. Montebello no longer exists but was between Nauvoo and Hamilton. In 1833 the state commissioned the formation of the county seat at Carthage, which was centrally located but not well developed at the time. A log cabin was built to serve as the courthouse and continued to serve that purpose until 1839 when the second Carthage Courthouse was built. The original log cabin continued to serve as a school and other purposes until 1945 when it was removed.

The second courthouse cost $3,700 to build and served from 1839 until 1906. It served as a location for both Stephen A. Douglas (October 11, 1858) and Abraham Lincoln (October 22, 1858) to speak to residents of the area as they were running against each other for the US Senate. In 1906 it was removed to make room for the current courthouse.

The current courthouse was dedicated October 21, 1908.

Geography

According to the U.S. Census Bureau, the county has a total area of 814 square miles (2,110 km2), of which 794 square miles (2,060 km2) is land and 21 square miles (54 km2) (2.5%) is water.

Climate and weather

Weather chart for Carthage, Illinois
J F M A M J J A S O N D
 
 
1.5
 
32
13
 
 
1.7
 
38
18
 
 
2.9
 
50
29
 
 
3.8
 
62
39
 
 
4.6
 
73
50
 
 
4.4
 
83
60
 
 
4.5
 
87
64
 
 
3.5
 
85
62
 
 
4
 
77
54
 
 
2.9
 
66
42
 
 
3.2
 
50
31
 
 
2.3
 
36
19
temperatures in °F
precipitation totals in inches
source: The Weather Channel

In recent years, average temperatures in the county seat of Carthage have ranged from a low of 13 °F (−11 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −30 °F (−34 °C) was recorded in February 1905 and a record high of 113 °F (45 °C) was recorded in August 1934. Average monthly precipitation ranged from 1.47 inches (37 mm) in January to 4.58 inches (116 mm) in May.

Major highways

  • US 136.svg U.S. Highway 136
  • Illinois 9.svg Illinois Route 9
  • Illinois 61.svg Illinois Route 61
  • Illinois 94.svg Illinois Route 94
  • Illinois 96.svg Illinois Route 96
  • Illinois 336.svg Illinois Route 336

Adjacent counties

Demographics

USA Hancock County, Illinois age pyramid
2000 census age pyramid for Hancock County
Historical population
Census Pop.
1830 483
1840 9,946 1,959.2%
1850 14,652 47.3%
1860 29,061 98.3%
1870 35,935 23.7%
1880 35,337 −1.7%
1890 31,907 −9.7%
1900 32,215 1.0%
1910 30,638 −4.9%
1920 28,523 −6.9%
1930 26,420 −7.4%
1940 26,297 −0.5%
1950 25,790 −1.9%
1960 24,574 −4.7%
1970 23,645 −3.8%
1980 23,877 1.0%
1990 21,373 −10.5%
2000 20,121 −5.9%
2010 19,104 −5.1%
Est. 2015 18,543 −2.9%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States Census, there were 19,104 people, 8,040 households, and 5,427 families residing in the county. The population density was 24.1 inhabitants per square mile (9.3/km2). There were 9,274 housing units at an average density of 11.7 per square mile (4.5/km2). The racial makeup of the county was 98.0% white, 0.3% black or African American, 0.2% Asian, 0.2% American Indian, 0.1% Pacific islander, 0.3% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 1.0% of the population. In terms of ancestry, 34.7% were German, 13.8% were English, 13.2% were American, and 12.1% were Irish.

Of the 8,040 households, 27.5% had children under the age of 18 living with them, 55.3% were married couples living together, 8.3% had a female householder with no husband present, 32.5% were non-families, and 28.2% of all households were made up of individuals. The average household size was 2.35 and the average family size was 2.85. The median age was 44.6 years.

The median income for a household in the county was $42,857 and the median income for a family was $55,162. Males had a median income of $41,609 versus $27,648 for females. The per capita income for the county was $22,885. About 8.9% of families and 12.6% of the population were below the poverty line, including 17.8% of those under age 18 and 9.9% of those age 65 or over.

Communities

Cities

Town

Villages

Unincorporated communities

Townships

Hancock County is divided into twenty-five townships:

  • Appanoose
  • Augusta
  • Bear Creek
  • Carthage
  • Chili
  • Dallas City
  • Durham
  • Fountain Green
  • Hancock
  • Harmony
  • La Harpe
  • Montebello
  • Nauvoo
  • Pilot Grove
  • Pontoosuc
  • Prairie
  • Rock Creek
  • Rocky Run
  • St. Albans
  • St. Mary's
  • Sonora
  • Walker
  • Warsaw
  • Wilcox
  • Wythe

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