Johnson County, Illinois facts for kids
Quick facts for kids
Johnson County
|
|
|---|---|
Johnson County Courthouse in Vienna
|
|
Location within the U.S. state of Illinois
|
|
 Illinois's location within the U.S. |
|
| Country |  United States |
| State |  Illinois |
| Founded | 1812 |
| Named for | Richard Mentor Johnson |
| Seat | Vienna |
| Largest city | Vienna |
| Area | |
| • Total | 349 sq mi (900 km2) |
| • Land | 344 sq mi (890 km2) |
| • Water | 4.9 sq mi (13 km2) 1.4% |
| Population
(2010)
|
|
| • Total | 12,582 |
| • Estimate
(2018)
|
12,456 |
| • Density | 36.05/sq mi (13.920/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 15th |
Johnson County is a county in the U.S. state of Illinois. According to the 2010 census, it has a population of 12,582. Its county seat is Vienna. It is located in the southern portion of Illinois known locally as "Little Egypt".
Contents
History
Johnson County was organized in 1812 out of Randolph County. It was named for Richard M. Johnson, who was then a U.S. Congressman from Kentucky. In 1813, Johnson commanded a Kentucky regiment at the Battle of the Thames, after which he claimed to have killed Tecumseh in hand-to-hand combat. Johnson went on to be Vice President of the United States.
-
Johnson County at the time of its creation to 1816
-
Johnson County between 1816 and 1818
-
Johnson County between 1818 and 1843
-
Johnson County in 1843, when it was reduced to its present size
Geography
According to the U.S. Census Bureau, the county has a total area of 349 square miles (900 km2), of which 344 square miles (890 km2) is land and 4.9 square miles (13 km2) (1.4%) is water.
Climate and weather
| Weather chart for Vienna, Illinois | |||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| J | F | M | A | M | J | J | A | S | O | N | D | ||||||||||||||||||||||||||||||||||||
|
3.4
43
25
|
3.4
50
29
|
4.6
60
38
|
4.7
71
46
|
5.2
79
55
|
4.1
87
63
|
3.8
90
67
|
3.6
90
65
|
3.3
84
58
|
3.2
73
47
|
4.7
59
39
|
4.4
47
29
|
||||||||||||||||||||||||||||||||||||
| temperatures in °F precipitation totals in inches source: The Weather Channel |
|||||||||||||||||||||||||||||||||||||||||||||||
|
Metric conversion
|
|||||||||||||||||||||||||||||||||||||||||||||||
In recent years, average temperatures in the county seat of Vienna have ranged from a low of 25 °F (−4 °C) in January to a high of 90 °F (32 °C) in July, although a record low of −20 °F (−29 °C) was recorded in January 1977 and a record high of 103 °F (39 °C) was recorded in August 2007. Average monthly precipitation ranged from 3.16 inches (80 mm) in October to 5.16 inches (131 mm) in May.
Major highways
Interstate 24
Interstate 57
U.S. Route 45
Illinois Route 37
Illinois Route 146
Illinois Route 147
Illinois Route 166
Adjacent counties
- Williamson County - north
- Saline County - northeast
- Pope County - east
- Massac County - southeast
- Pulaski County - southwest
- Union County - west
National protected areas
- Cypress Creek National Wildlife Refuge (part)
- Shawnee National Forest (part)
Demographics
| Historical population | |||
|---|---|---|---|
| Census | Pop. | %± | |
| 1820 | 843 | — | |
| 1830 | 1,596 | 89.3% | |
| 1840 | 3,626 | 127.2% | |
| 1850 | 4,114 | 13.5% | |
| 1860 | 9,342 | 127.1% | |
| 1870 | 11,248 | 20.4% | |
| 1880 | 13,078 | 16.3% | |
| 1890 | 15,013 | 14.8% | |
| 1900 | 15,667 | 4.4% | |
| 1910 | 14,331 | −8.5% | |
| 1920 | 12,022 | −16.1% | |
| 1930 | 10,203 | −15.1% | |
| 1940 | 10,727 | 5.1% | |
| 1950 | 8,729 | −18.6% | |
| 1960 | 6,928 | −20.6% | |
| 1970 | 7,550 | 9.0% | |
| 1980 | 9,624 | 27.5% | |
| 1990 | 11,347 | 17.9% | |
| 2000 | 12,878 | 13.5% | |
| 2010 | 12,582 | −2.3% | |
| 2018 (est.) | 12,456 | −1.0% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2013 |
|||
2010
Whereas, according to the 2010 U.S. Census Bureau:
- 89.0% White
- 8.0% Black
- 0.2% Native American
- 0.2% Asian
- 0.0% Native Hawaiian or Pacific Islander
- 1.0% Two or more races
- 1.6% Other races
- 3.0% Hispanic or Latino (of any race)
2010
As of the 2010 United States Census, there were 12,582 people, 4,584 households, and 3,270 families residing in the county. The population density was 36.6 inhabitants per square mile (14.1/km2). There were 5,598 housing units at an average density of 16.3 per square mile (6.3/km2). The racial makeup of the county was 89.0% white, 8.0% black or African American, 0.2% Asian, 0.2% American Indian, 1.6% from other races, and 1.0% from two or more races. Those of Hispanic or Latino origin made up 3.0% of the population. In terms of ancestry, 17.6% were German, 11.5% were Irish, 10.9% were English, and 6.5% were American.
Of the 4,584 households, 28.8% had children under the age of 18 living with them, 59.2% were married couples living together, 8.3% had a female householder with no husband present, 28.7% were non-families, and 25.3% of all households were made up of individuals. The average household size was 2.41 and the average family size was 2.85. The median age was 42.2 years.
The median income for a household in the county was $41,619 and the median income for a family was $47,423. Males had a median income of $48,047 versus $30,904 for females. The per capita income for the county was $16,402, the lowest of all 102 counties in Illinois and 57th in the U.S. About 11.1% of families and 13.6% of the population were below the poverty line, including 19.0% of those under age 18 and 10.7% of those age 65 or over.
Communities
City
Villages
Unincorporated communities
- Boles
- Bloomfield
- Dixon Springs
- Eagle Point Bay
- Elvira
- Ganntown
- Grantsburg
- Lick Creek
- Mermet
- New Columbia
- Ozark
- Parker City
- Pulleys Mill
- Reevesville
- Reynoldsburg
- Robbs
- Samoth
- Tunnel Hill
- Wartrace
See also
In Spanish: Condado de Johnson (Illinois) para niños
