Cahokia, Illinois
Cahokia, IL Events Directory
About Cahokia, IL
Old Cahokia Courthouse in Cahokia
Old Cahokia Courthouse in Cahokia
Location of Cahokia in Clair County, Illinois.
Location of Cahokia in Clair County, Illinois.
Location of Illinois in the United States
Location of Illinois in the United States
Coordinates: 38°33?43?N 90°10?22?W / 38.56194°N 90.17278°W / 38.56194; -90.17278Coordinates: 38°33?43?N 90°10?22?W / 38.56194°N 90.17278°W / 38.56194; -90.17278
Country United States
State Illinois
County St. Clair
 o Mayor Curtis McCall Jr.
 o Total 10.32 sq mi (26.72 km2)
 o Land 9.76 sq mi (25.28 km2)
 o Water 0.56 sq mi (1.44 km2)
Population (2010)
 o Total 15,241
 o Estimate (2016)[2] 14,260
 o Density 1,460.77/sq mi (563.98/km2)
Time zone CST (UTC-6)
 o Summer (DST) CDT (UTC-5)
Area code(s) 618
FIPS code 17-10370
Wikimedia Commons Cahokia, Illinois

Cahokia is a village in St. Clair County, Illinois, United States. It is part of Greater St. Louis metropolitan area. As of the 2010 census, the village had a population of 15,241, a decline from 16,391 in 2000. The name is a reference to one of the clans of the historic Illini confederacy, who were encountered by early French explorers to the region. The village was founded by French Canadians as a Catholic mission in 1696, when this area was under French control as part of their Illinois Country.

Early European settlers also named Cahokia Mounds after the Illini. This is an extensive prehistoric Mississippian culture urban complex located to the north in present-day Collinsville in Madison County. Constructed and active from 900AD to 1500AD, it is a UNESCO World Heritage Site and a State Historic Park.

The village of Cahokia has numerous significant colonial and Federal-period buildings listed on the National Register of Historic Places: Church of the Holy Family (Cahokia) (c. 1697), the Cahokia Courthouse (c 1740), in the French Colonial style; and the Jarrot Mansion (c 1810).


While the Europeans also named the Cahokia Mounds site to the north after the Illini group, archeologists have determined that the earthwork mounds complex was built by the Mississippian culture, an earlier, potentially unrelated indigenous people. The city site reached its peak in the 13th century and was abandoned centuries before European contact.

The Cahokia Native Americans of the Illini did not coalesce as a tribe and live in the Illinois area until closer to the time of French contact. The European association with Cahokia began over 300 years ago, with Father Pinet's mission in late 1696 to convert the Cahokian and Tamaroa Indians to Christianity. Father Pinet and the Seminary of Foreign Missions of Quebec built a log church. It is dedicated to the Holy Family. During the next 100 years, Cahokia became one of the largest French colonial towns in the Illinois Country.

Cahokia had become the center of a large area for trading Indian goods and furs. The village had about 3,000 inhabitants, 24 brothels, and a thriving business district. The nearby town of Kaskaskia on the Mississippi River became the region's leading shipping port, and Fort de Chartres was developed as a military and governmental command center. The 50-mile (80 km) area of land between the two cities was cultivated by farming settlers, known as habitants, whose main crop was wheat. As the area expanded, the relationship between the settlers and the Indians continued to be peaceful. Settlers were mostly Canadien migrants whose families had been in North America for a while.

In the following years, Cahokia suffered, mainly from the French loss in the French and Indian War in 1763. Defeated by Great Britain in what was an extension of the Seven Years' War in Europe, the French were forced to cede large parts of the Illinois Country to the victors. Many French-speaking residents of Cahokia left because they did not want to live under British rule. They went to Louisiana, where they founded new Canadien villages on the west side of the Mississippi River, such as Ste. Genevieve, Missouri and St. Louis.

The Odawa leader Pontiac was assassinated by other Indians in or near Cahokia on April 20, 1769.

Col. George Rogers Clark's conference with the Indians at Cahokia, unknown artist, from the National Archives and Records Administration

In 1778, during the American Revolutionary War, American George Rogers Clark set up a court in Cahokia, making Cahokia an independent city state even though it was part of the British Province of Quebec. Cahokia officially was made part of the United States by the Treaty of Paris in 1783, by which the United States took over former British territory in what became known as Illinois and the Northwest Territory. Soon after that, the 105 Cahokia "heads of household" pledged loyalty to the Continental Congress of the United States.

Later, Cahokia was named the county seat of St. Clair County. The Cahokia Courthouse served as a United States territorial courthouse and a major political center for the next 24 years. When in 1801 St. Clair County was enlarged, Henry Harrison named the Cahokia Courthouse the legal and governmental center of a sizeable area extending to the Canada-US border. By 1814, other counties and territories had been organized, and St. Clair County was defined as its current size. The county seat was moved to the more centrally located Belleville, Illinois when a local developer offered to donate a generous amount of land for development of the county courthouse and seat.

In the late 1950s, Cahokia annexed some population and territory, markedly increasing its population by more than 15,000 in 1960.

Falling Springs, natural beauty in Cahokia area


Cahokia is located at 38°33?43?N 90°10?22?W / 38.561901°N 90.172878°W / 38.561901; -90.172878.[3]

According to the 2010 census, Cahokia has a total area of 9.9 square miles (25.64 km2), of which 9.4 square miles (24.35 km2) (or 94.95%) is land and 0.5 square miles (1.29 km2) (or 5.05%) is water.[4]


As of the census[6] of 2000, there were 16,391 people, 5,693 households, and 4,252 families residing in the village. The population density was 1,705.8 people per square mile (658.5/km²). There were 6,213 housing units at an average density of 646.6 per square mile (249.6/km²). The racial makeup of the village was 58.28% African American, 38.69% White, 0.32% Native American, 0.38% Asian, 0.03% Pacific Islander, 0.73% from other races, and 1.56% from two or more races. Hispanic or Latino of any race were 2.25% of the population.

There were 5,693 households out of which 41.2% had children under the age of 18 living with them, 43.2% were married couples living together, 25.7% had a female householder with no husband present, and 25.3% were non-families. 20.9% of all households were made up of individuals and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.84 and the average family size was 3.27.

In the village, the population was spread out with 33.4% under the age of 18, 8.7% from 18 to 24, 29.4% from 25 to 44, 16.9% from 45 to 64, and 11.6% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 88.7 males. For every 100 females age 18 and over, there were 82.5 males.

The median income for a household in the village was $31,001, and the median income for a family was $35,582. Males had a median income of $31,806 versus $22,429 for females. The per capita income for the village was $14,545. About 22.8% of families and 24.9% of the population were below the poverty line, including 37.0% of those under age 18 and 5.3% of those age 65 or over.


Cahokia is home to the St. Louis Downtown Airport, a general aviation facility.


Cahokia Unit School District 187 operates public schools.

See also


  1. ^ "2016 U.S. Gazetteer Files". United States Census Bureau. Retrieved 2017. 
  2. ^ a b "Population and Housing Unit Estimates". Retrieved 2017. 
  3. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved . 
  4. ^ "G001 - Geographic Identifiers - 2010 Census Summary File 1". United States Census Bureau. Retrieved . 
  5. ^ "Census of Population and Housing". Archived from the original on April 22, 2013. Retrieved 2015. 
  6. ^ "American FactFinder". United States Census Bureau. Archived from the original on 2013-09-11. Retrieved . 

Further reading

External links

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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