AR · GEOID 05093

Mississippi County area

Mississippi County, Arkansas covers 930 square miles: 902.1 square miles of land and 27.9 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area902.1 mi²
Water area27.9 mi²
Total area930 mi²
National land rank#842

County outline

Generalized outline of Mississippi County, Arkansas
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Mississippi County is located

Mississippi County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 97% of Mississippi County’s measured area and water for 3%. Its combined area converts to 2,408.6 square kilometers or approximately 595,187 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land902.0932,336.41577,339.5
Water27.88672.22417,847
Total929.9792,408.635595,186.6

How Mississippi County compares

By original Census land area, Mississippi County ranks #7 of 75 in Arkansas and #842 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.394 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 1.7% of the combined county land area in the state.

See the complete Arkansas ranking · What counts as a county equivalent?

What stands out about Mississippi County?

Mississippi County has more land than 2,380 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Mississippi County902.1 mi²
Arkansas median647.2 mi²
National median604.5 mi²

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 Mississippi County at #883 nationally by total area, 41 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 3%, compared with a national county-equivalent median of 1.2% — 1.8 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 Mississippi County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#841Kent County, Texas902.5Compare
#842Mississippi County, Arkansas902.1This county
#843Menard County, Texas902Compare

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 35.766944, -90.052207. 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: 2,336,409,849 m²; AWATER: 72,224,595 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How many acres of land are in Mississippi County?

The land measurement converts to approximately 577,340 acres. Including water, total area is approximately 595,187 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.

Cite this county

Download the complete CSV or JSON dataset