1687Culture
The 40,000 square feet (3,700 m2) facility is located at 1687 Missouri State Road behind the Arnold Library and Recreation Center.
1776History
In 1776 French Canadian settler Jean Baptiste Gamache, who operated a ferry boat across the Meramec River was granted 1050 arpents of land by king Charles III of Spain.
1955Government
The district became K-12 when Fox High School was established in 1955.
1988Education
=== Notable events ===
On October 24, 1988 Republican vice-presidential candidate Dan Quayle addressed the students at Fox High School, listening to questions and discussing the...
1993Disaster
On July 17, 1993 President Bill Clinton with several members of his cabinet held a "flood summit" at Fox High School during the Great Flood of 1993.
2000History
=== 2000 census ===
As of the census of 2000, there were 19,965 people, 7,550 households, and 5,564 families living in the city.
2004History
In January 2004, the City of Arnold announced that THF Realty had approached them regarding developing a section of Arnold known as the Triangle, an area bordered by Route 141, ...
2005History
The city voted in favor of the Triangle Development project proceeding on September 16, 2005.
2007Education
The Jefferson College (Missouri) Arnold campus was opened in 2007 to expand educational services to those in northern Jefferson County.
2008History
According to Money Magazine, Arnold was ranked the 12th best and most affordable city to live in the United States in 2008.
2009History
A 2009 lawsuit against the cameras was dismissed on procedural grounds.
2010History
=== 2010 census ===
As of the census of 2010, there were 20,808 people, 8,090 households, and 5,695 families living in the city.
2013History
In 2013 the Missouri Court of Appeals Eastern District ruled the Arnold red-light camera ordinance to be unconstitutional.
2014Economy
== Economy ==
In 2014, Anheuser-Busch InBev's subsidiary Metal Container Corp, made the decision to expand their aluminum can and bottle manufacturing plant in Arnold, making th...
2015Disaster
=== Meramec River flooding ===
The Meramec River crested at a record level of 47.26 feet on December 31, 2015, after a weekend of heavy rain, affecting over 300 homes and breaki...
2016History
The 2016-2020 5-year American Community Survey estimates show that the median household income was $64,678 (with a margin of error of +/- $6,401) and the median family income $7...
2017Disaster
Flooding struck again in 2017 after heavy rains, with the Meramec cresting at 45.62 feet on May 3.
2020History
== Demographics ==
=== 2020 census ===
The 2020 United States census counted 20,858 people, 8,518 households, and 5,607 families in Arnold.