Marshall County, Illinois

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Not to be confused with Marshall, Illinois.
Marshall County, Illinois
Map of Illinois highlighting Marshall County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1839
Named for John Marshall
Seat Lacon
Largest city Henry
Area
 • Total 399 sq mi (1,033 km2)
 • Land 387 sq mi (1,002 km2)
 • Water 12 sq mi (31 km2), 2.9%
Population
 • (2010) 12,640
 • Density 33/sq mi (13/km²)
Congressional district 18th
Time zone Central: UTC-6/-5
Website www.marshallcountyillinois.com

Marshall County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 12,640.[1] Its county seat is Lacon.[2]

Marshall County is part of the Peoria, IL Metropolitan Statistical Area.

History[edit]

Marshall County was formed in 1839 out of Putnam County. It was named in honor of John Marshall, Chief Justice of the United States Supreme Court, who died in 1835.

Geography[edit]

According to the U.S. Census Bureau, the county has a total area of 399 square miles (1,030 km2), of which 387 square miles (1,000 km2) is land and 12 square miles (31 km2) (2.9%) is water.[3]

Climate and weather[edit]

Lacon, Illinois
Climate chart (explanation)
J F M A M J J A S O N D
 
 
1.6
 
32
15
 
 
1.6
 
38
21
 
 
3.1
 
51
31
 
 
3.8
 
64
41
 
 
4.2
 
75
51
 
 
4.1
 
84
60
 
 
4.1
 
87
64
 
 
3.5
 
85
62
 
 
3.5
 
79
54
 
 
3
 
67
43
 
 
3
 
50
32
 
 
2.3
 
37
21
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[4]

In recent years, average temperatures in the county seat of Lacon have ranged from a low of 15 °F (−9 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −27 °F (−33 °C) was recorded in January 1999 and a record high of 103 °F (39 °C) was recorded in July 2005. Average monthly precipitation ranged from 1.55 inches (39 mm) in January to 4.20 inches (107 mm) in May.[4]

Major highways[edit]

Adjacent counties[edit]

National protected area[edit]

Demographics[edit]

Historical population
Census Pop.
1840 1,849
1850 5,180 180.2%
1860 13,437 159.4%
1870 16,956 26.2%
1880 15,055 −11.2%
1890 13,653 −9.3%
1900 16,370 19.9%
1910 15,679 −4.2%
1920 14,760 −5.9%
1930 13,023 −11.8%
1940 13,179 1.2%
1950 13,025 −1.2%
1960 13,334 2.4%
1970 13,302 −0.2%
1980 14,479 8.8%
1990 12,846 −11.3%
2000 13,180 2.6%
2010 12,640 −4.1%
Est. 2013 12,153 −3.9%
U.S. Decennial Census[5]
1790-1960[6] 1900-1990[7]
1990-2000[8] 2010-2013[1]

As of the census of 2000,[9] there were 13,180 people, 5,225 households, and 3,720 families residing in the county. The population density was 34 people per square mile (13/km²). There were 5,914 housing units at an average density of 15 per square mile (6/km²). The racial makeup of the county was 98.19% White, 0.35% Black or African American, 0.22% Native American, 0.25% Asian, 0.01% Pacific Islander, 0.25% from other races, and 0.74% from two or more races. 1.05% of the population were Hispanic or Latino of any race. 39.1% were of German, 12.2% Irish, 10.5% English, 9.3% American and 5.8% Italian ancestry.

There were 5,225 households out of which 29.60% had children under the age of 18 living with them, 60.80% were married couples living together, 6.70% had a female householder with no husband present, and 28.80% were non-families. 25.00% of all households were made up of individuals and 12.60% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.95.

In the county the population was spread out with 23.50% under the age of 18, 7.20% from 18 to 24, 25.60% from 25 to 44, 24.90% from 45 to 64, and 18.80% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 96.00 males. For every 100 females age 18 and over, there were 94.70 males.

The median income for a household in the county was $41,576, and the median income for a family was $48,061. Males had a median income of $35,765 versus $21,452 for females. The per capita income for the county was $19,065. About 3.80% of families and 5.60% of the population were below the poverty line, including 6.90% of those under age 18 and 5.40% of those age 65 or over.

Communities[edit]

Cities[edit]

Villages[edit]

Unincorporated communities[edit]

Townships[edit]

See also[edit]

References[edit]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 7, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  4. ^ a b "Monthly Averages for Lacon, Illinois". The Weather Channel. Retrieved 2011-01-27. 
  5. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 7, 2014. 
  6. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 7, 2014. 
  7. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 7, 2014. 
  8. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved July 7, 2014. 
  9. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

Coordinates: 41°02′N 89°20′W / 41.03°N 89.34°W / 41.03; -89.34