Bordering states
Missouri vs Oklahoma
Short answer
- MO
- 6,245,466
- OK
- 4,095,393
The two states, county by county
Both maps share one density scale, so the same shade means the same number of people per square mile on either side of the border. Darker counties are denser. Select a county to open its page.
Missouri
Oklahoma
- < 13
- < 22
- < 37
- < 68
- ≥ 68
Side by side
| Measure | Missouri | Oklahoma |
|---|---|---|
| Residents, 2024 | 6,245,466 | 4,095,393 |
| Rank by population | 19th | 28th |
| Land, sq mi | 68,746 | 68,597 |
| People per sq mi | 90.8 | 59.7 |
| County-equivalents | 115 | 77 |
| Median county residents | 19,100 | 20,577 |
| Median county income | $56,121 | $56,166 |
| Most populous county | St. Louis County | Oklahoma County |
| Largest county by land | Texas County | Osage County |
| Capital | Jefferson City | Oklahoma City |
| Daylight at capital, June 21 | 14 h 52 min | 14 h 34 min |
| Census division | West North Central | West South Central |
Population and density
Missouri has 6,245,466 residents, 52% more than Oklahoma's 4,095,393. Missouri ranks 19th and Oklahoma 28th of the 50 states and DC. Missouri is the more crowded, with 90.8 people per square mile against 59.7, 52% more.
Land area
Missouri has 68,746 square miles of land, about the same as Oklahoma's 68,597. The largest county-equivalent in Missouri is Texas County at 1,177 square miles; in Oklahoma it is Osage County at 2,247.
Counties
Missouri is divided into 115 county-equivalents and Oklahoma into 77, so an average Missouri county covers 598 square miles against 891. The typical county in Missouri has 19,100 residents, against 20,577 in Oklahoma. The most populous are St. Louis County (992,929) and Oklahoma County (816,490).
8 county names appear on both sides of the border: Adair, Carter, Jackson, Jefferson, Lincoln, Osage, Texas, Washington. Use the FIPS code, not the name, when joining data across the two states.
Household income
The typical county household income is about the same in both: $56,121 in Missouri and $56,166 in Oklahoma. The highest county incomes are St. Charles County ($98,765) in Missouri and Canadian County ($86,539) in Oklahoma, from SAIPE 2023.
Capitals and daylight
Jefferson City and Oklahoma City are 363 miles apart in a straight line; from Jefferson City the initial bearing is 236°, SW. On June 21, 2026, Jefferson City gets 14 h 52 min of daylight and Oklahoma City 14 h 34 min; on December 21 the figures are 9 h 28 min and 9 h 45 min. Month by month tables are on the Jefferson City and Oklahoma City daylight pages.
Where they sit
The border between them is also a Census region boundary: Missouri is in the Midwest and Oklahoma in the South. By county internal points, Missouri spans 2 UTM zones and Oklahoma 3.
Questions people ask
Which is bigger, Missouri or Oklahoma?
Missouri, with 68,746 square miles of land against 68,597, 1.00 times as large.
Which has more people, Missouri or Oklahoma?
Missouri has 6,245,466 residents, 52% more than Oklahoma's 4,095,393.
How far is Jefferson City from Oklahoma City?
363 miles in a straight line, heading SW (236°) from Jefferson City.
Do Missouri and Oklahoma have counties with the same name?
Yes, 8: Adair, Carter, Jackson, Jefferson, Lincoln, Osage, Texas, Washington.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Bureau regions and divisions of the United States (last verified 2026-09-30)
How every number is computed: methodology. Spotted a wrong figure? Report an error.