Mason County, Illinois

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Not to be confused with Mason, Illinois.
Mason County, Illinois
Map of Illinois highlighting Mason County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1841
Named for George Mason
Seat Havana
Largest city Havana
Area
 • Total 563 sq mi (1,458 km2)
 • Land 539 sq mi (1,396 km2)
 • Water 24 sq mi (62 km2), 4.3%
Population
 • (2010) 14,666
 • Density 27/sq mi (10/km²)
Congressional district 18th
Time zone Central: UTC-6/-5
Website www.masoncountyil.org

Mason County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 14,666.[1] Its county seat is Havana.[2] The county is named in honor of George Mason, a member of the Virginia legislature who campaigned for the adoption of the United States Bill of Rights.

History[edit]

Mason County was created in 1841 out of portions of Tazewell and Menard counties.

Geography[edit]

According to the U.S. Census Bureau, the county has a total area of 563 square miles (1,460 km2), of which 539 square miles (1,400 km2) is land and 24 square miles (62 km2) (4.3%) is water.[3]

Mason County is bounded on the south by the Sangamon River, and on the west by the Illinois River. These rivers join at the southwest tip of the County.

The soil covering much of Mason County is very sandy in composition. This was formed during the melting of the Wisconsin Glacier about 10,000 years before present. Meltwater from the glacier deposited large amounts of sand in a delta region near at the junction of the Sangamon and Illinois Rivers.

The sandy soil does not hold water well, quickly exposing crops to drought conditions as the water table drops during periods of low precipitation. The soil is, however, very good for growing vegetables that are otherwise not common in Illinois. Modern irrigation has made this a highly productive agricultural area.

A sand wetland on the Illinois River is managed by the U.S. Fish and Wildlife Service as the Chautauqua National Wildlife Refuge.

Climate and weather[edit]

Havana, Illinois
Climate chart (explanation)
J F M A M J J A S O N D
 
 
1.9
 
32
14
 
 
1.9
 
38
19
 
 
3
 
50
30
 
 
3.5
 
63
40
 
 
4.4
 
74
51
 
 
3.8
 
84
60
 
 
3.9
 
88
64
 
 
3.5
 
86
61
 
 
3.2
 
80
52
 
 
2.9
 
68
41
 
 
3.3
 
51
30
 
 
2.6
 
37
19
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 Havana have ranged from a low of 14 °F (−10 °C) in January to a high of 88 °F (31 °C) in July, although a record low of −30 °F (−34 °C) was recorded in January 1999 and a record high of 106 °F (41 °C) was recorded in July 1983. Average monthly precipitation ranged from 1.85 inches (47 mm) in January to 4.43 inches (113 mm) in May.[4]

Major highways[edit]

Adjacent counties[edit]

National protected area[edit]

Demographics[edit]

Historical population
Census Pop.
1850 5,921
1860 10,931 84.6%
1870 16,184 48.1%
1880 16,242 0.4%
1890 16,067 −1.1%
1900 17,491 8.9%
1910 17,377 −0.7%
1920 16,634 −4.3%
1930 15,115 −9.1%
1940 15,358 1.6%
1950 15,326 −0.2%
1960 15,193 −0.9%
1970 16,161 6.4%
1980 19,492 20.6%
1990 16,269 −16.5%
2000 16,038 −1.4%
2010 14,666 −8.6%
Est. 2013 14,248 −2.9%
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 16,038 people, 6,389 households, and 4,561 families residing in the county. The population density was 30 people per square mile (11/km²). There were 7,033 housing units at an average density of 13 per square mile (5/km²). The racial makeup of the county was 98.82% White, 0.12% Black or African American, 0.26% Native American, 0.21% Asian, 0.09% from other races, and 0.50% from two or more races. 0.50% of the population were Hispanic or Latino of any race. 34.6% were of German, 17.9% American, 13.1% English and 9.0% Irish ancestry.

There were 6,389 households out of which 30.50% had children under the age of 18 living with them, 58.40% were married couples living together, 9.00% had a female householder with no husband present, and 28.60% were non-families. 24.90% of all households were made up of individuals and 13.00% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 2.93.

In the county the population was spread out with 24.40% under the age of 18, 7.70% from 18 to 24, 26.30% from 25 to 44, 24.20% from 45 to 64, and 17.30% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 96.10 males. For every 100 females age 18 and over, there were 93.10 males.

The median income for a household in the county was $35,985, and the median income for a family was $42,239. Males had a median income of $33,426 versus $21,093 for females. The per capita income for the county was $17,357. About 7.80% of families and 9.70% of the population were below the poverty line, including 13.60% of those under age 18 and 9.60% of those age 65 or over.

Communities[edit]

Cities[edit]

Town[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 Havana, 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: 40°14′N 89°55′W / 40.24°N 89.91°W / 40.24; -89.91