Oklahoma Flag

Oklahoma

Statehood Year:
1907
Capital:
Oklahoma City
Largest Cities:
Oklahoma City, Tulsa, Norman
Abbreviation:
OK

Oklahoma is a state in the Southwest region of the United States, known for the Great Plains, Native American heritage, and oil fields. It has a population of 4,126,900, making it the 28th most populated state in the country. The capital city is Oklahoma City. Oklahoma has a energy-focused economy with growing aerospace sector.

4,126,900
Total Population
59
Population Density (mi²)
28
Population Rank
31.5K 0.77%
Annual Population Growth

Oklahoma Population

Demographics

Economics and Income Statistics

Population by County

Population by County

2025 Pop.

100K

200K

300K

400K

500K

600K

700K

800K

Population Growth by County

Change (2020)

-0.05

-0.025

0

0.025

0.05

0.075

Population Density by County

Density

100

200

300

400

500

600

700

800

900

1000

1.1K

1.2K

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)