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Knox County, Indiana facts for kids

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Knox County
Knox County Courthouse, Vincennes
Knox County Courthouse, Vincennes
Map of Indiana highlighting Knox County
Location within the U.S. state of Indiana
Map of the United States highlighting Indiana
Indiana's location within the U.S.
Country  United States
State  Indiana
Founded June 6, 1790
Named for Henry Knox
Seat Vincennes
Largest city Vincennes
Area
 • Total 524.04 sq mi (1,357.3 km2)
 • Land 516.03 sq mi (1,336.5 km2)
 • Water 8.01 sq mi (20.7 km2)
Population
 (2020)
 • Total 36,282
 • Density 69.2352/sq mi (26.7318/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 8th
 

Indiana county number 42

  • Oldest county in Indiana and Indiana Territory
  • Eighth largest county in Indiana by area

Knox County is a special area in the state of Indiana, United States. It's the oldest county in Indiana! It was one of the first two counties made in the Northwest Territory way back in 1790. The other was St. Clair County, Illinois.

Over time, Knox County became smaller as new counties were formed. It got its current shape in 1818 when Daviess County was created from part of it. In 2020, about 36,282 people lived here. The main city and government center is Vincennes.

Knox County is also part of the Vincennes, IN Micropolitan Statistical Area, which is like a small city area with its nearby towns.

Discovering Knox County's Past

In 1790, a person named Winthrop Sargent, who was the Secretary of the Northwest Territory, officially created Knox County. It was the fourth county made in the Northwest Territory. The county was named after Major General Henry Knox. He had just finished his job as the second U.S. Secretary of War.

Knox County was formed even before the Indiana Territory was created. When it was first made, Knox County was huge! It stretched all the way to Canada. It included parts of what are now Indiana, Michigan, Illinois, and Ohio. Later, in 1809, when the Illinois Territory was formed, the parts of Knox County west of the Wabash River became Saint Clair County, Illinois.

Many areas in Knox County were measured using an old French system. This system uses directions that are not exactly north, south, east, or west. Knox County and Clark County are the only places in Indiana that were laid out this way.

Exploring Knox County's Geography

Knox County, Indiana - DPLA - 84941378366069a8b175b5d1ff06b454
1875 county map

Knox County is located on the western side of Indiana. Its western border is the Wabash River, which also forms the border with Illinois. In 2010, the county had a total area of about 524 square miles. Most of this area, about 516 square miles, is land. The rest, about 8 square miles, is water.

The Wabash River flows south along the county's western edge. The White River flows south-southwest along its eastern edge. The two rivers meet at the very southwestern tip of the county, near Mount Carmel, Illinois. The land in Knox County has green, gently rolling hills. Much of this land is used for farming. The highest points in the county are around 620 feet above sea level. These high spots are found in the hills between Bruceville and Bicknell.

Main Roads in Knox County

Knox County has several important roads that help people travel around.

  • US 41
  • US 50
  • US 150
  • SR 58
  • SR 59
  • SR 61
  • SR 67
  • SR 159
  • SR 241
  • SR 358
  • SR 441
  • SR 550

Neighboring Counties

Knox County shares its borders with several other counties:

Protected Natural Areas

Knox County is home to one national protected area:

Communities of Knox County

Knox County has different types of communities, from cities to small towns and even tiny settlements.

Cities in Knox County

Towns in Knox County

Census-Designated Places

These are areas that are like towns but are not officially incorporated as cities or towns.

Unincorporated Areas

These are smaller communities that don't have their own local government.

Townships of Knox County

Knox County is divided into several townships, which are smaller local government areas.

  • Busseron
  • Decker
  • Harrison
  • Johnson
  • Palmyra
  • Steen
  • Vigo
  • Vincennes
  • Washington
  • Widner

Climate and Weather in Knox County

Weather chart for Vincennes, Indiana
J F M A M J J A S O N D
 
 
2.6
 
38
20
 
 
2.5
 
43
23
 
 
3.6
 
53
32
 
 
4.3
 
65
42
 
 
5.1
 
75
52
 
 
4.1
 
84
61
 
 
4.7
 
88
65
 
 
3.7
 
86
63
 
 
3.2
 
80
54
 
 
3.2
 
68
42
 
 
4.3
 
54
33
 
 
3.2
 
43
25
temperatures in °F
precipitation totals in inches
source: The Weather Channel

The weather in Vincennes, the main city in Knox County, changes with the seasons. In January, the average low temperature is about 20°F. In July, the average high temperature reaches about 88°F.

However, temperatures can be extreme! The coldest temperature ever recorded in January was -26°F in 1994. The hottest was 104°F in June 1988. The amount of rain also changes throughout the year. February usually gets the least rain, about 2.51 inches. May typically gets the most, with about 5.13 inches.

People of Knox County

Historical population
Census Pop.
1800 2,517
1810 7,945 215.7%
1820 5,437 −31.6%
1830 6,525 20.0%
1840 10,657 63.3%
1850 11,084 4.0%
1860 16,056 44.9%
1870 21,562 34.3%
1880 26,324 22.1%
1890 28,044 6.5%
1900 32,746 16.8%
1910 39,183 19.7%
1920 46,195 17.9%
1930 43,813 −5.2%
1940 43,973 0.4%
1950 43,415 −1.3%
1960 41,561 −4.3%
1970 41,546 0.0%
1980 41,838 0.7%
1990 39,884 −4.7%
2000 39,256 −1.6%
2010 38,440 −2.1%
2020 36,282 −5.6%
2023 (est.) 36,070 −6.2%
US Decennial Census
1790-1960 1900-1990
1990-2000 2010

In 2010, there were 38,440 people living in Knox County. These people lived in over 15,000 homes. The population density was about 74.5 people per square mile. Most of the people were white (94.9%). About 2.6% were black or African American, and 0.6% were Asian.

About 29.1% of homes had children under 18 living there. The average age of people in the county was 38.5 years old. The average income for a household was about $47,697 per year. About 16.4% of all people in the county lived below the poverty line. This included 22.7% of those under 18.

Jobs and Economy in Knox County

In 2005, Knox County had many businesses and jobs. The biggest industry for jobs was education and health services. This means many people worked in schools, colleges, and hospitals. This industry made up almost 34% of all jobs.

The next biggest industry was trade, transportation, and utilities. This included jobs in stores, shipping, and power companies. Manufacturing, which means making things in factories, also grew a lot. It added over 300 new jobs between 2001 and 2005.

The average yearly earnings for jobs in Knox County in 2005 was about $26,875. Jobs in manufacturing had the highest average earnings, around $33,238 per year. The Vincennes area has many different types of jobs. Retail trade, like working in shops, was the largest sector in 2005.

Knox County also has a special "Pathways Program." This program helps make sure there are skilled and motivated workers. Many businesses in the area can find employees from within a 50-mile drive. This is because it's easy to get to Vincennes from nearby counties.

See also

Kids robot.svg In Spanish: Condado de Knox (Indiana) para niños

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