Capital city Oklahoma City
Population 3.963.516 (2020)
Surface 181.196 km²
Governor Kevin Stitt (R)
Member of the US since 1907

Oklahoma is one of the fifty states of the United States. The state is located in the center of the country. Oklahoma’s abbreviation is OK. Its nickname is ‘The Sooner State’. With 3,791,508 residents, Oklahoma is the 27th most populous state in the US. Oklahoma borders the states of New Mexico, Colorado, Kansas, Missouri, Arkansas, and Texas. Oklahoma is located in the middle of Tornado Alley. Tornado Alley is an area in the US where many tornadoes occur, on average about a thousand a year, but not all of them are equally bad. Oklahoma City ‘s capital is Oklahoma City.


There are a number of cities in Oklahoma. Here are the five largest.

Oklahoma’s Largest Cities

Name Residents County
1. Oklahoma City 591.967 Oklahoma County
2. Tulsa 396.466 Tulsa County
3. Norman 113.273 Cleveland County
4. Broken Arrow 100.073 Tulsa County
5. Lawton 98.177 Comanche County

How many counties in Oklahoma? The State of Oklahoma comprises 77 counties.

Adair County, Oklahoma
Alfalfa County, Oklahoma
Atoka County, Oklahoma
Beaver County, Oklahoma
Beckham County, Oklahoma
Blaine County, Oklahoma
Bryan County, Oklahoma
Caddo County, Oklahoma
Canadian County, Oklahoma
Carter County, Oklahoma
Cherokee County, Oklahoma
Choctaw County, Oklahoma
Cimarron County, Oklahoma
Cleveland County, Oklahoma
Coal County, Oklahoma
Comanche County, Oklahoma
Cotton County, Oklahoma
Craig County, Oklahoma
Creek County, Oklahoma
Custer County, Oklahoma
Delaware County, Oklahoma
Dewey County, Oklahoma
Ellis County, Oklahoma
Garfield County, Oklahoma
Garvin County, Oklahoma
Grady County, Oklahoma
Grant County, Oklahoma
Greer County, Oklahoma
Harmon County, Oklahoma
Harper County, Oklahoma
Haskell County, Oklahoma
Hughes County, Oklahoma
Jackson County, Oklahoma
Jefferson County, Oklahoma
Johnston County, Oklahoma
Kay County, Oklahoma
Kingfisher County, Oklahoma
Kiowa County, Oklahoma
Latimer County, Oklahoma
Le Flore County, Oklahoma
Lincoln County, Oklahoma
Logan County, Oklahoma
Love County, Oklahoma
Major County, Oklahoma
Marshall County, Oklahoma
Mayes County, Oklahoma
McClain County, Oklahoma
McCurtain County, Oklahoma
McIntosh County, Oklahoma
Murray County, Oklahoma
Muskogee County, Oklahoma
Noble County, Oklahoma
Nowata County, Oklahoma
Okfuskee County, Oklahoma
Oklahoma County, Oklahoma
Okmulgee County, Oklahoma
Osage County, Oklahoma
Ottawa County, Oklahoma
Pawnee County, Oklahoma
Payne County, Oklahoma
Pittsburg County, Oklahoma
Pontotoc County, Oklahoma
Pottawatomie County, Oklahoma
Pushmataha County, Oklahoma
Roger Mills County, Oklahoma
Rogers County, Oklahoma
Seminole County, Oklahoma
Sequoyah County, Oklahoma
Stephens County, Oklahoma
Texas County, Oklahoma
Tillman County, Oklahoma
Tulsa County, Oklahoma
Wagoner County, Oklahoma
Washington County, Oklahoma
Washita County, Oklahoma
Woods County, Oklahoma
Woodward County, Oklahoma


Tulsa skyline

Tulsa is a major city in the United States with a population of 385,640 in the year 2008. After Oklahoma City, this is the largest city in the state of Oklahoma in the US. An important river flows through the city, the Arkansas River. Geographically, Tulsa is located in northeastern Oklahoma. Tulsa has a very fast growing population. In the future, the population will reach 400,000. The metropolitan area of ​​Tulsa has approximately 930,000 inhabitants. Along with Oklahoma City, Tulsa is the financial, industrial, political, and cultural center of all of Oklahoma. Tulsa is known for its tall skyscrapers and old buildings. The city was founded a long time ago. The oil industry used to be the main source of economy in the city, now it is banking and telecommunications. You can fly abroad by plane via Tulsa International Airport.

Partner cities

  • San Luis Potosi – Mexico
  • Beihai – China
  • Amiens – France
  • Utsonomiya – Japan
  • Selenograd (Administrative District of Moscow) – Russia
  • Kaohsiung – Taiwan

Oklahoma City

Oklahoma City Skyline

Oklahoma City is the largest city in the US state of Oklahoma with 551,789 in the year 2008. It is also the 31st largest city in the US and the capital of Oklahoma. The agglomeration has around one and a half million inhabitants. It has its own international airport: Will Rogers Airport. Geographically, Oklahoma City is located right in the middle of the state of Oklahoma. The city has been around for quite some time. In 2010 it even existed for exactly 121 years. Oklahoma City is the cultural, financial andindustrial center of Oklahoma. A well-known resident of the town was Carl Magee. He is the inventor of the parking meter. By the way, the city was the first place to have parking meters. Oklahoma City is a beautiful city with many skyscrapers.

Partner cities

  • Rio de Janeiro, Brazil
  • Tainan, Taiwan
  • Haikou, China
  • Taipei, Taiwan
  • Puebla, Mexico

Interstate 235 in Oklahoma

Begin Oklahoma City
End Oklahoma City
Length 5 mi
Length 9 km
  • 1A/B → Amarillo / Dallas / Fort Smith1C Sheridan Avenue
  • 1D Lincoln Boulevard
  • 1E Harrison Avenue
  • 1F 6th Street
  • 1G 10th Street
  • 2A 23rd Street
  • 2B Broadway Avenue
  • 3 36th Street
  • 4 → Wichita Falls / Tulsa

Interstate 235 or I -235 is an Interstate Highway in the U.S. state of Oklahoma. The highway is located entirely within the city limits of Oklahoma City, the capital of Oklahoma. The highway forms a north-south link along downtown Oklahoma City, connecting Interstate 35 and Interstate 40 with Interstate 44. The highway is also called Centennial Expressway and is 9 kilometers long.

Travel directions

I-235 in Oklahoma City.

The freeway begins just east of downtown Oklahoma City, at the interchange with Interstate 35 and Interstate 40. This is one of the most important interchanges in the state of Oklahoma, from here you can go to Amarillo, Dallas, Little Rock, Tulsa and Wichita. The highway has 2×3 lanes here and you have a view of the Oklahoma City skyline. The highway is mostly below ground level. One also passes by the State Capitol, the seat of Oklahoma’s governor and government. On the east side of the highway are mainly industrial estates, on the west side mainly residential areas. At the interchange with Interstate 44I-235 becomes US 77, which has also been converted into a freeway.


I-235 was one of the last highways to be added to the Interstate Highway system. Construction was also very slow. The highway was built from the north to the south, the US 77 already existed as an “extension” before I-235 itself. The first part opened to traffic in 1968, which was extended southwards by a kilometer or two in 1977. It wasn’t until 1989 that the last link along Downtown Oklahoma City opened.

Between 2017 and 2019, the northern portion of I-235 was widened to 2×3 lanes between NW 36th Street and I-44. The $88 million contract was the largest contract ever awarded in the state of Oklahoma at the time. On December 18, 2018, a $105 million contract was awarded to provide flyovers to the interchange between I-235 and I-44. This project was the first 4-level interchange in Oklahoma and officially opened on March 3, 2022.

Opening history

Van Unpleasant Length Opening
Exit 3 Exit 4 3 km 1968
Exit 2A Exit 3 2 km 1977
Exit 1A Exit 2A 3 km 1989

Traffic intensities

92,000 to 94,000 vehicles use I-235 every day.

Oklahoma - The Sooner State

Oklahoma – The Sooner State
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