State size comparison

compared to

Oklahoma is around the same size as South Dakota.

South Dakota is approximately 196,540 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 90.49% the size of South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (2.9 million more people live in Oklahoma).
Tip: This to-scale comparison of South Dakota vs. Oklahoma uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Oklahoma vs. South Dakota

Flip Comparison · See true size
See Oklahoma on top of South Dakota
→
Quality of Life Comparison · 17 statistics
Be 36.8% less likely to be unemployed in South Dakota
→
Cost of Living Comparison · 7 categories - 2026 data
South Dakota is 10.0% cheaper than Oklahoma
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
Download on the App Store GET IT ON Google Play