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Jefferson County, Illinois

Jefferson County, Illinois
Jefferson County Courthouse in Mount Vernon
Map of Illinois highlighting Jefferson County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1819
Named for Thomas Jefferson
Seat Mount Vernon
Largest city Mount Vernon
Area
 • Total Script error: No such module "convert".
 • Land Script error: No such module "convert".
 • Water Script error: No such module "convert"., 2.2%
Population
 • (2010) 38,827
 • Density 68/sq mi (26/km²)
Congressional district 12th
Time zone Central: UTC-6/-5

Jefferson County is a county located in the southern part of the U.S. state of Illinois. According to the 2010 census, it has a population of 38,827.[1] The county seat is Mount Vernon.[2]

Jefferson County comprises the Mount Vernon, IL Micropolitan Statistical Area. It is located in the southern portion known locally as "Little Egypt".

History

The first settler in Jefferson County is believed to have been Andrew Moore. In 1810, he settled near the southeast corner of the county, near where the Goshen Road emerges from the forest of Hamilton County into what is now known as Moore's Prairie. It is interesting that Moore arrived from the Goshen Settlement, near Edwardsville. His migration was therefore retrograde, from the west toward the interior of the State.

In 1814, Andrew Moore departed with his eight-year-old son for Jordan's settlement, a journey from which he never returned. A skull that was believed to have been Moore's was found several years later about two miles from his cabin. Jordan's Settlement, also called Jordan's Fort, was southeast of modern Thompsonville, Illinois, about twenty miles south of Moore's cabin. This episode occurred during the War of 1812 when many of the Indian tribes were allied with the British.

In 1816, Carter Wilkey, Daniel Crenshaw and Robert Cook settled in Moore's Prairie. Daniel Crenshaw moved into Moore's cabin. This settlement is believed to be the first permanent settlement in the County.

Jefferson County was organized in 1819, out of parts of White, Edwards and Franklin Counties. It was named in honor of Thomas Jefferson, principle draftsman of the Northwest Ordinance, among other things.[3] The baseline along the northern border of the County crosses the Third Principal Meridian at the northwest corner of the County.

Geography

According to the U.S. Census Bureau, the county has a total area of Script error: No such module "convert"., of which Script error: No such module "convert". is land and Script error: No such module "convert". (2.2%) is water.[4]

Climate and weather

Mount Vernon, Illinois
Climate chart (explanation)
JFMAMJJASOND
 
 
2.5
 
 
37
19
 
 
2.7
 
 
43
23
 
 
4
 
 
54
33
 
 
4.4
 
 
65
43
 
 
4.6
 
 
75
53
 
 
3.6
 
 
84
62
 
 
3.6
 
 
88
66
 
 
3.3
 
 
86
64
 
 
3.1
 
 
79
56
 
 
2.9
 
 
68
43
 
 
4.4
 
 
54
34
 
 
3.2
 
 
42
24
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 Mount Vernon have ranged from a low of Script error: No such module "convert". in January to a high of Script error: No such module "convert". in July, although a record low of Script error: No such module "convert". was recorded in January 1994 and a record high of Script error: No such module "convert". was recorded in July 1936. Average monthly precipitation ranged from Script error: No such module "convert". in January to Script error: No such module "convert". in May.[5]

Major highways

Adjacent counties

Demographics

File:USA Jefferson County, Illinois age pyramid.svg
2000 census age pyramid for Jefferson County
Historical population
Census Pop.

<tr><td style="text-align:center">1820</td><td style="padding-left:8px; ">691</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">—</td></tr><tr><td style="text-align:center">1830</td><td style="padding-left:8px; ">2,555</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1840</td><td style="padding-left:8px; ">5,762</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1850</td><td style="padding-left:8px; ">8,109</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1860</td><td style="padding-left:8px; ">12,965</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1870</td><td style="padding-left:8px; ">17,864</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1880</td><td style="padding-left:8px; ">20,686</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1890</td><td style="padding-left:8px; ">22,590</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1900</td><td style="padding-left:8px; ">28,133</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1910</td><td style="padding-left:8px; ">29,111</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1920</td><td style="padding-left:8px; ">28,480</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1930</td><td style="padding-left:8px; ">31,034</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1940</td><td style="padding-left:8px; ">34,375</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1950</td><td style="padding-left:8px; ">35,892</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1960</td><td style="padding-left:8px; ">32,315</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1970</td><td style="padding-left:8px; ">31,446</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1980</td><td style="padding-left:8px; ">36,552</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">1990</td><td style="padding-left:8px; ">37,020</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">2000</td><td style="padding-left:8px; ">40,045</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">2010</td><td style="padding-left:8px; ">38,827</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td style="text-align:center">Est. 2013</td><td style="padding-left:8px; ">38,644</td><td style="font-size:85%"></td><td style="padding-left:8px; text-align: center;">Lua error in Module:Math at line 495: attempt to index field 'ParserFunctions' (a nil value).%</td></tr><tr><td colspan=4 style="border-top:1px solid black; font-size:85%; text-align:center">U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]</td></tr>

As of the census[10] of 2000, there were 40,045 people, 15,374 households, and 10,561 families residing in the county. The population density was 70 people per square mile (27/km²). There were 16,990 housing units at an average density of 30 per square mile (11/km²). The racial makeup of the county was 89.87% White, 7.83% Black or African American, 0.21% Native American, 0.47% Asian, 0.01% Pacific Islander, 0.45% from other races, and 1.16% from two or more races. 1.33% of the population were Hispanic or Latino of any race. 25.0% were of American, 20.5% German, 12.8% English and 9.6% Irish ancestry according to Census 2000. 97.5% spoke English and 1.5% Spanish as their first language.

There were 15,374 households out of which 31.1% had children under the age of 18 living with them, 55.3% were married couples living together, 9.9% had a female householder with no husband present, and 31.30% were non-families. 27.6% of all households were made up of individuals and 13.0% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.96.

In the county the population was spread out with 24.2% under the age of 18, 8.8% from 18 to 24, 28.4% from 25 to 44, 23.3% from 45 to 64, and 15.3% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 104.1 males. For every 100 females age 18 and over, there were 104.1 males.

The median income for a household in the county was $33,555 and the median income for a family was $41,141. Males had a median income of $34,089 versus $21,015 for females. The per capita income for the county was $16,644. About 9.1% of families and 12.30% of the population were below the poverty line, including 14.0% of those under age 18 and 11.8% of those age 65 or over.

Communities

Cities

Villages

Unincorporated communities

Townships

Jefferson County is divided into sixteen townships:

See also

References

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 6, 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. Govt. Print. Off. p. 168. 
  4. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  5. ^ a b "Monthly Averages for Mount Vernon, Illinois". The Weather Channel. Retrieved 2011-01-27. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 6, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 6, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 6, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 6, 2014. 
  10. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

Coordinates: 38°18′N 88°55′W / 38.30°N 88.92°W / 38.30; -88.92{{#coordinates:38.30|-88.92|type:adm2nd_region:US-IL_source:UScensus1990|||||| |primary |name= }}