Marshall County, Illinois

Not to be confused with Marshall, Illinois.
Marshall County, Illinois

Lacon Bridge in the county seat city
Map of Illinois highlighting Marshall County
Location in the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded January 19, 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

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.[3]

Geography

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.[4]

Climate and weather

Lacon, Illinois
Climate chart (explanation)
JFMAMJJASOND
 
 
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[5]

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.[5]

Major highways

Adjacent counties

National protected area

Demographics

Historical population
Census Pop. %±
18401,849—
18505,180180.2%
186013,437159.4%
187016,95626.2%
188015,055−11.2%
189013,653−9.3%
190016,37019.9%
191015,679−4.2%
192014,760−5.9%
193013,023−11.8%
194013,1791.2%
195013,025−1.2%
196013,3342.4%
197013,302−0.2%
198014,4798.8%
199012,846−11.3%
200013,1802.6%
201012,640−4.1%
Est. 201511,982[6]−5.2%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

As of the 2010 United States Census, there were 12,640 people, 5,161 households, and 3,549 families residing in the county.[11] The population density was 32.7 inhabitants per square mile (12.6/km2). There were 5,914 housing units at an average density of 15.3 per square mile (5.9/km2).[4] The racial makeup of the county was 97.1% white, 0.4% Asian, 0.3% black or African American, 0.2% American Indian, 1.1% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 2.5% of the population.[11] In terms of ancestry, 43.0% were German, 16.7% were Irish, 14.4% were English, 7.2% were Italian, 6.2% were American, and 6.1% were Polish.[12]

Of the 5,161 households, 27.4% had children under the age of 18 living with them, 56.7% were married couples living together, 7.7% had a female householder with no husband present, 31.2% were non-families, and 26.8% of all households were made up of individuals. The average household size was 2.40 and the average family size was 2.88. The median age was 44.8 years.[11]

The median income for a household in the county was $49,116 and the median income for a family was $64,781. Males had a median income of $46,793 versus $28,549 for females. The per capita income for the county was $24,991. About 6.8% of families and 9.5% of the population were below the poverty line, including 11.4% of those under age 18 and 7.0% of those age 65 or over.[13]

Communities

Cities

Villages

Unincorporated communities

Townships

See also

References

  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved July 7, 2014.
  2. ↑ "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. ↑ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 200.
  4. 1 2 "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12.
  5. 1 2 "Monthly Averages for Lacon, Illinois". The Weather Channel. Retrieved 2011-01-27.
  6. ↑ "County Totals Dataset: Population, Population Change and Estimated Components of Population Change: April 1, 2010 to July 1, 2015". Retrieved July 2, 2016.
  7. ↑ "U.S. Decennial Census". United States Census Bureau. Retrieved July 7, 2014.
  8. ↑ "Historical Census Browser". University of Virginia Library. Retrieved July 7, 2014.
  9. ↑ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 7, 2014.
  10. ↑ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 7, 2014.
  11. 1 2 3 "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12.
  12. ↑ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
  13. ↑ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
 Bureau County Putnam County
Stark County LaSalle County
   Marshall County, Illinois  
Peoria County Woodford County

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

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