VA · GEOID 51115

Mathews County area

Mathews County, Virginia covers 252 square miles: 85.9 square miles of land and 166.1 square miles of water.

Official Census measurements2026 Gazetteer · retrieved September 27, 2026
Land area85.9 mi²
Water area166.1 mi²
Total area252 mi²
National land rank#3095

County outline

Generalized outline of Mathews County, Virginia
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 Mathews County is located

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

Area breakdown

Land accounts for 34.1% of Mathews County’s measured area and water for 65.9%. Its combined area converts to 652.6 square kilometers or approximately 161,256 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land85.912222.51154,983.7
Water166.051430.07106,272.6
Total251.963652.581161,256.3

How Mathews County compares

By original Census land area, Mathews County ranks #97 of 133 in Virginia and #3095 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.277 times the Virginia county-equivalent median of 310 square miles. It accounts for 0.2% of the combined county land area in the state.

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

What stands out about Mathews County?

Mathews County has more land than 127 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Mathews County85.9 mi²
Virginia median310 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 Mathews County at #2,948 nationally by total area, 147 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 65.9%, compared with a national county-equivalent median of 1.2% — 64.7 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 Mathews County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#3094Ohio County, Indiana86.2Compare
#3095Mathews County, Virginia85.9This county
#3096Hancock County, West Virginia82.6Compare

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 37.429301, -76.263794. 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: 222,510,315 m²; AWATER: 430,069,413 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 Mathews County?

The land measurement converts to approximately 54,984 acres. Including water, total area is approximately 161,256 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