Bryan McAllister’s personal reference notebook
July 30, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Kept by Bryan McAllister — short guides, clear facts, and the Canadian angle when it matters.
Civic Brief • U.S. State

Missouri

Missouri is a state in the Midwestern United States with its capital at Jefferson City.

Updated July 30, 20261 min readCited sources

Missouri is a Midwestern U.S. state with its capital at Jefferson City. It became the 24th state in 1821 and is nicknamed the Show-Me State.

What it is

Missouri is a landlocked state in the Midwestern United States, bordered by eight states: Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas, and Nebraska. The Missouri River crosses the state from west to east, dividing it into northern plains and southern valleys. Its major urban areas include St. Louis, Kansas City, Springfield, and Columbia.

Key details

Missouri covers 69,707 square miles and was originally inhabited by Indigenous peoples, including the Missouri tribe. European settlement began in the 18th century, and the state entered the Union on August 10, 1821, as part of the Missouri Compromise. The state's population in 2020 was 6,154,913, with Kansas City as its largest city.

Why it matters

Missouri has a diverse economy spanning agriculture, manufacturing, and mining, and is home to cultural landmarks like the Gateway Arch in St. Louis. For Canadian readers, Missouri is a key Midwestern hub for transport, trade, and cross-border travel within the central North American economy.

In short

  • Missouri is the 24th U.S. state, admitted in 1821.
  • It borders eight states and is crossed by the Missouri River.
  • Its capital is Jefferson City; largest city is Kansas City.
  • Nicknamed the Show-Me State, with a population of 6.15 million.
Canadian angle

Missouri is relevant to Canadian readers as a major U.S. Midwestern state with transport, trade, and cultural links to Canada through the central U.S. economy and cross-border North American travel.

Quick questions

What is Missouri?
Missouri is a state in the Midwestern United States.
What is the capital of Missouri?
Jefferson City is the capital of Missouri.
Why is Missouri called the Show-Me State?
The nickname is widely associated with the idea that Missourians prefer proof before belief, though its exact origin is unclear.

Sources

  1. Encyclopaedia Britannica — https://www.britannica.com/place/Missouri-state
    Supports: Area, population, capital, statehood, geography, and historical overview.
  2. Encyclopaedia Britannica — https://www.britannica.com/summary/Missouri-state
    Supports: Border states, Missouri River, name origin, settlement history, Missouri Compromise, and general state facts.
  3. Wikipedia — https://en.wikipedia.org/wiki/Missouri
    Supports: Capital, largest cities, population ranking, border states, and regional location.
  4. National Geographic Kids — https://kids.nationalgeographic.com/geography/states/article/missouri
    Supports: Name origin and border states.