County outline
Where Marshall County is located
Area breakdown
Land accounts for 87% of Marshall County’s measured area and water for 13%. Its combined area converts to 1,105.9 square kilometers or approximately 273,268 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 371.49 | 962.155 | 237,753.6 |
| Water | 55.491 | 143.721 | 35,514.2 |
| Total | 426.981 | 1,105.876 | 273,267.8 |
How Marshall County compares
By original Census land area, Marshall County ranks #77 of 77 in Oklahoma and #2629 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.463 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 0.5% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
What stands out about Marshall County?
Marshall County has more land than 593 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Marshall County at #2,456 nationally by total area, 173 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.
Its water share is 13%, compared with a national county-equivalent median of 1.2% — 11.8 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Marshall County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2628 | Queen Anne's County, Maryland | 371.7 | Compare |
| #2629 | Marshall County, Oklahoma | 371.5 | This county |
| #2630 | Rabun County, Georgia | 370.1 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 34.027007, -96.770533. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 962,153,961 m²; AWATER: 143,719,928 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How many acres of land are in Marshall County?
The land measurement converts to approximately 237,754 acres. Including water, total area is approximately 273,268 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.