Admitted · XLVI · 1907

A state plate

Oklahoma.

The Sooner State

Capital Oklahoma City

Oklahoma is a south-central US state in the heart of Tornado Alley, with rich Native American heritage (more than 39 tribal nations), oil-and-gas economy, and the historic Route 66.

01 · State motto
Labor omnia vincit

— Labour conquers all things

Capital
Oklahoma City
Population
4M
Area
181,037 km²
Statehood
1907
Region
South
05 · About

On the state.

Oklahoma is a south-central US state in the heart of Tornado Alley, with rich Native American heritage (more than 39 tribal nations), oil-and-gas economy, and the historic Route 66.

Geography & climate

Oklahoma lies in the South of the United States, set at approximately 35.5°N, 97.5°W and falling within a temperate climate band. The state covers around 181,037 km² of land, with topography that runs from coastal lowlands and river basins to interior plains and (where present) mountain ranges. Local weather, growing seasons and outdoor recreation in Oklahoma all flow from this geographic profile.

Capital, principal city & population

The capital of Oklahoma is Oklahoma City, where the legislature, governor’s office and state supreme court are based. The largest city by population is Oklahoma City, often the economic and cultural anchor of the state. Total population sits at around 4M, distributed across metropolitan areas, smaller cities, and rural counties — each with its own dialect, demographics and economic character.

Statehood & history

Oklahoma was admitted to the Union in 1907 as the 46th state. The path to admission typically passed through territorial status, an enabling act of Congress and the drafting of a state constitution. Each generation since has added its layer to the state’s political and cultural identity — from frontier settlement and industrial expansion to the civic and demographic shifts of the modern era.

Symbols & emblems

Oklahoma is nicknamed “The Sooner State”, with the state motto Labor omnia vincit (Labour conquers all things). The state seal, flag and coat of arms each carry historic meaning, often referencing founding settlers, native communities, agricultural roots or pivotal episodes of state history. State legislatures have additionally adopted official symbols — a state bird, flower, tree, song, fossil and more — chosen by lawmakers (and sometimes by schoolchildren) to celebrate distinctive elements of the state’s natural and cultural heritage.

Economy & industry

The economy of Oklahoma is shaped by its geography, infrastructure and population centres. Major sectors typically span agriculture, manufacturing, energy or natural resources, services, tourism and (in metropolitan corridors) finance and technology. Federal facilities, military bases and research institutions can also be substantial regional employers in Oklahoma.

Travel, food & culture

For visitors, Oklahoma offers a mix of urban culture (museums, music venues, sports teams, cuisine) and outdoor experience (state parks, trails, coastline or mountains, depending on the geography). Regional foodways, festivals and dialects make travel between counties feel meaningfully different — even short drives across Oklahoma can shift the cultural landscape noticeably.

By the numbers

Sort or filter the table to find the values you need at a glance.

Field Value Note
Abbreviation OK two-letter postal code
Capital Oklahoma City
Largest city Oklahoma City
US region South
Population 4M people
Area 181,037 km²
Statehood 1907 year admitted
Admission order 46 order joining the Union
Nickname The Sooner State
Motto Labor omnia vincit (Labour conquers all things)
Latitude 35.5 degrees
Longitude -97.5 degrees

Did you know?

Oklahoma is the only US state with a population that has 39 federally recognised tribal nations — more than any other state.

Frequently asked questions

What is the capital of Oklahoma?

Oklahoma City.

When did Oklahoma become a state?

Oklahoma achieved statehood in 1907, becoming the 46th state to join the Union. That makes it about a century old.

What is the population of Oklahoma?

Oklahoma has a population of approximately 4M, across 181,037 km² of territory.

Where is Oklahoma located?

Oklahoma is located in the South region of the United States.

What is Oklahoma's nickname?

Oklahoma is known as the "The Sooner State".

What is the state motto of Oklahoma?

The state motto of Oklahoma is "Labor omnia vincit (Labour conquers all things)".

06 · Symbols & timeline

A state in context.

Oklahoma is the 46th state to join the Union. Achieved statehood in 1907, in the 20th century.

Admitted
#46 · XLVI
Statehood
1907
Age
about a century old
Nickname
The Sooner State
Density
22/km²
Capital
Oklahoma City
US region
South
Dispatch 12 · MAY · 26

A small thing, worth noting.

Oklahoma is the only US state with a population that has 39 federally recognised tribal nations — more than any other state.

— filed from Oklahoma