AR · GEOID 05107

Phillips County area

Phillips County, Arkansas covers 727.4 square miles: 690.4 square miles of land and 37.1 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area690.4 mi²
Water area37.1 mi²
Total area727.4 mi²
National land rank#1357

County outline

Generalized outline of Phillips 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 Phillips County is located

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

Area breakdown

Land accounts for 94.9% of Phillips County’s measured area and water for 5.1%. Its combined area converts to 1,884 square kilometers or approximately 465,544 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land690.361,788.024441,830.4
Water37.05395.96723,713.9
Total727.4131,883.991465,544.3

How Phillips County compares

By original Census land area, Phillips County ranks #30 of 75 in Arkansas and #1357 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.067 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 1.3% of the combined county land area in the state.

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

What stands out about Phillips County?

Phillips County has more land than 1,865 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Phillips County690.4 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 Phillips County at #1,330 nationally by total area, 27 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 5.1%, compared with a national county-equivalent median of 1.2% — 3.9 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 Phillips County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1356Franklin County, Virginia690.6Compare
#1357Phillips County, Arkansas690.4This county
#1358Winneshiek County, Iowa689.8Compare

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 34.427915, -90.859998. 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: 1,788,024,132 m²; AWATER: 95,966,870 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 Phillips County?

The land measurement converts to approximately 441,830 acres. Including water, total area is approximately 465,544 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