Marshall County, Illinois

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Not to be confused with Marshall, Illinois.

Marshall County
U.S. county
Lacon Bridge in the county seat
Lacon Bridge in the county seat
Map of Illinois highlighting Marshall County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 41°02′N 89°20′W / 41.03°N 89.34°W / 41.03; -89.34
Country United States
State Illinois
FoundedJanuary 19, 1839
Named forJohn Marshall
SeatLacon
Largest cityHenry
Area
 • Total399 sq mi (1,030 km2)
 • Land387 sq mi (1,000 km2)
 • Water12 sq mi (30 km2)  2.9%
Population
 (2010)
 • Total12,640
 • Estimate 
(2018)
11,534
 • Density32/sq mi (12/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district18th
Websitewww.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]

  • Marshall County at the time of its creation

  • Marshall County in 1843, when its eastern border was extended to bring it to its current size

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] The county is distinctly bisected by the Illinois River, splitting the county into two uneven sections.

Climate and weather[]

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[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[]

  • Bureau County - northwest
  • Putnam County - north
  • LaSalle County - east
  • Woodford County - south
  • Peoria County - southwest
  • Stark County - west

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%
2018 (est.)11,534[6]−8.7%
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 living 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[]

Politics[]

In its early days Marshall County was a swing county, voting for winning Whig candidate William Henry Harrison in 1840 but otherwise supporting the Democratic Party until 1852. Its reputation as a swing county was to be sustained with the growth of the Republican Party: it voted for the winning candidate in every election from 1852 to 1912 except 1884 and 1888.

Since World War I, Marshall has generally been a strongly Republican county. Only two Democrats – Franklin D. Roosevelt in 1932 and 1936 plus Lyndon Johnson in 1964 – have gained an absolute majority in Marshall County over the past twenty-six elections, although Bill Clinton won pluralities in both his elections.

Presidential elections results

See also[]

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

References[]

  1. ^ Jump up to: a b "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 7, 2014.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 200.
  4. ^ Jump up to: a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 12, 2015.
  5. ^ Jump up to: a b "Monthly Averages for Lacon, Illinois". The Weather Channel. Retrieved January 27, 2011.
  6. ^ "Population and Housing Unit Estimates". Retrieved November 3, 2019.
  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. ^ Jump up to: a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  12. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  13. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  14. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org.

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

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