Richland County, Illinois
Richland County, Illinois | |
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Richland County Courthouse in Olney | |
Location in the state of Illinois | |
Illinois's location in the U.S. | |
Founded | February 24, 1841 |
Seat | Olney |
Largest city | Olney |
Area | |
• Total | 362 sq mi (938 km2) |
• Land | 3,560 sq mi (9,220 km2) |
• Water | 1.9 sq mi (5 km2), 0.5% |
Population | |
• (2010) | 16,233 |
• Density | 45/sq mi (17/km²) |
Congressional district | 15th |
Time zone | Central: UTC-6/-5 |
Richland County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 16,233.[1] Its county seat is Olney.[2]
History
Richland County was established on February 24, 1824, out of portions of Clay and Lawrence counties.
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Richland County at the time of its creation in 1841
Geography
According to the U.S. Census Bureau, the county has a total area of 362 square miles (940 km2), of which 360 square miles (930 km2) is land and 1.9 square miles (4.9 km2) (0.5%) is water.[3]
Climate and weather
Olney, Illinois | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Climate chart (explanation) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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In recent years, average temperatures in the county seat of Olney have ranged from a low of 19 °F (−7 °C) in January to a high of 88 °F (31 °C) in July, although a record low of −25 °F (−32 °C) was recorded in February 1951 and a record high of 112 °F (44 °C) was recorded in July 1936. Average monthly precipitation ranged from 2.73 inches (69 mm) in February to 4.76 inches (121 mm) in May.[4]
Major highways
Adjacent counties
- Jasper County (north)
- Crawford County (northeast)
- Lawrence County (east)
- Wabash County (southeast)
- Edwards County (south)
- Wayne County (southwest)
- Clay County (west)
Demographics
Historical population | |||
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Census | Pop. | %± | |
1850 | 4,012 | — | |
1860 | 9,711 | 142.0% | |
1870 | 12,803 | 31.8% | |
1880 | 15,545 | 21.4% | |
1890 | 15,019 | −3.4% | |
1900 | 16,391 | 9.1% | |
1910 | 15,970 | −2.6% | |
1920 | 14,044 | −12.1% | |
1930 | 14,053 | 0.1% | |
1940 | 17,137 | 21.9% | |
1950 | 16,889 | −1.4% | |
1960 | 16,299 | −3.5% | |
1970 | 16,829 | 3.3% | |
1980 | 17,587 | 4.5% | |
1990 | 16,545 | −5.9% | |
2000 | 16,149 | −2.4% | |
2010 | 16,233 | 0.5% | |
Est. 2014 | 16,061 | [5] | −1.1% |
U.S. Decennial Census[6] 1790-1960[7] 1900-1990[8] 1990-2000[9] 2010-2013[1] |
As of the 2010 United States Census, there were 16,233 people, 6,726 households, and 4,438 families residing in the county.[10] The population density was 45.1 inhabitants per square mile (17.4/km2). There were 7,513 housing units at an average density of 20.9 per square mile (8.1/km2).[3] The racial makeup of the county was 97.3% white, 0.7% Asian, 0.5% black or African American, 0.2% American Indian, 0.4% from other races, and 0.9% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population.[10] In terms of ancestry, 29.6% were German, 11.7% were American, 11.4% were English, and 9.2% were Irish.[11]
Of the 6,726 households, 28.9% had children under the age of 18 living with them, 51.7% were married couples living together, 9.6% had a female householder with no husband present, 34.0% were non-families, and 29.3% of all households were made up of individuals. The average household size was 2.36 and the average family size was 2.88. The median age was 42.1 years.[10]
The median income for a household in the county was $41,917 and the median income for a family was $53,853. Males had a median income of $41,058 versus $31,296 for females. The per capita income for the county was $22,874. About 9.5% of families and 13.8% of the population were below the poverty line, including 15.1% of those under age 18 and 11.9% of those age 65 or over.[12]
Communities
City
Villages
Unincorporated communities
Townships
Richland County is divided into nine townships:
Notable people
- Alexander W. Swanitz (1851-1915), civil engineer who participated in the construction of railroads in various parts of the country
See also
References
- 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved July 8, 2014.
- ↑ "Find a County". National Association of Counties. Retrieved 2011-06-07.
- 1 2 "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12.
- 1 2 "Monthly Averages for Olney, Illinois". The Weather Channel. Retrieved 2011-01-27.
- ↑ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015.
- ↑ "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.
- ↑ "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.
- ↑ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.
- ↑ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.
- 1 2 3 "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12.
- ↑ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
- ↑ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
Jasper County | Crawford County | |||
Clay County | Lawrence County | |||
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Wayne County | Edwards County | Wabash County |
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Coordinates: 38°43′N 88°05′W / 38.71°N 88.09°W