Wetzel County area

Wetzel County, West Virginia covers 361.3 square miles: 358.1 square miles of land and 3.257 square miles of water. Its county seat is New Martinsville. An estimated 13,734 people lived there in 2025.

Official Census measurements · GEOID 541032026 Gazetteer · retrieved September 27, 2026
Land area358.1 mi²
Water area3.257 mi²
Population (2025)13,734
People per mi²38

County outline

Generalized outline of Wetzel County, West 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 Wetzel County is located

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

Area breakdown

Land accounts for 99.1% of Wetzel County’s measured area and water for 0.9%. Its combined area converts to 935.8 square kilometers or approximately 231,251 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land358.072927.402229,166.1
Water3.2578.4362,084.5
Total361.329935.838231,250.6

How Wetzel County compares

By original Census land area, Wetzel County ranks #34 of 55 in West Virginia and #2661 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.855 times the West Virginia county-equivalent median of 419 square miles. It accounts for 1.5% of the combined county land area in the state.

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

Population and density of Wetzel County

The Census Bureau estimates that 13,734 people lived in Wetzel County on July 1, 2025. That ranks #2,247 of 3,222 county equivalents nationally and #38 of 55 in West Virginia. Since the April 1, 2020 estimates base of 14,451, the population has declined by 717 (−5%), compared with −1.5% for West Virginia as a whole.

With 358.1 square miles of land, that is 38 people per square mile (15 per km²), placing Wetzel County #1,785 nationally for density and #33 in West Virginia. The median county equivalent has 47 people per square mile; the West Virginia median is 45. Put another way, there are about 17 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate14,40414,20614,01213,99313,81213,734
Change—−198−194−19−181−78

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Wetzel County

5 incorporated places lie at least partly in Wetzel County. Together they are home to 7,322 people (53.3%); the other 6,412 (46.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is New Martinsville city, with 5,039 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
New Martinsville cityCounty seat5,039−3.3%2.673
Paden City cityAlso in 1 other county1,606−6.4%0.846
Pine Grove town341−6.3%0.352
Hundred town240−6.6%0.502
Smithfield town96−5.9%0.292

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Wetzel County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Wetzel County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

13 ZIP Code Tabulation Areas have land in Wetzel County; 11 of them have most of their land inside the county, and the others mainly cover neighboring areas.

26055261552615926162261672634826377264192643726562265752658126585

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Wetzel County

Wetzel County shares a land border with 8 county equivalents, including 2 in Ohio and Pennsylvania. It has more land than 4 of them. The largest neighbor is Greene County (575.9 mi²) and the smallest is Tyler County (256.3 mi²). Together with its neighbors, Wetzel County forms a block of 3,355.9 mi² of land, of which it holds 10.7%.

Map of Wetzel County and the 8 county equivalents that border it Tyler County, West Virginia: 256.3 mi² landMarshall County, West Virginia: 305.4 mi² landMarion County, West Virginia: 308.8 mi² landMonroe County, Ohio: 455.6 mi² landMonongalia County, West Virginia: 360.1 mi² landGreene County, Pennsylvania: 575.9 mi² landDoddridge County, West Virginia: 319.7 mi² landHarrison County, West Virginia: 416 mi² land
Wetzel County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. WetzelCompare
Greene CountyPennsylvania575.91.6× largerCompare
Monroe CountyOhio455.61.3× largerCompare
Harrison County4161.2× largerCompare
Monongalia County360.1about the sameCompare
Doddridge County319.71.1× smallerCompare
Marion County308.81.2× smallerCompare
Marshall County305.41.2× smallerCompare
Tyler County256.31.4× smallerCompare

How big is Wetzel County compared with U.S. states?

Wetzel County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.9 times as much. West Virginia’s county land could hold about 67 areas the size of Wetzel County.

Land area: Wetzel County and the closest-sized states
Wetzel County358.1 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 18.9 miles (30.5 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Wetzel County?

Wetzel County has more land than 561 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Wetzel County358.1 mi²
West Virginia median419 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 Wetzel County at #2,710 nationally by total area, 49 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 0.9%, compared with a national county-equivalent median of 1.2% — 0.3 percentage points lower. 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 Wetzel County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2660St. Mary's County, Maryland358.6Compare
#2661Wetzel County, West Virginia358.1This county
#2662Amelia County, Virginia357.8Compare

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 39.598180, -80.635399. 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: 927,402,613 m²; AWATER: 8,435,782 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 big is Wetzel County?

Wetzel County, West Virginia has 358.1 square miles (927.4 km²) of land and 3.257 square miles of water, for a total area of 361.3 square miles. It ranks #2661 of 3,222 U.S. county equivalents by land area.

Is Wetzel County the largest county in West Virginia?

No. Wetzel County ranks #34 of 55 in West Virginia by land area. The largest is Randolph County, with 1,039.7 square miles of land.

What counties border Wetzel County?

Wetzel County shares a land border with Tyler County, Marshall County, Marion County, Monroe County, Ohio, Monongalia County, Greene County, Pennsylvania, Doddridge County, and Harrison County.

What is the population of Wetzel County?

The Census Bureau estimates Wetzel County had 13,734 residents on July 1, 2025, ranking #2,247 of 3,222 county equivalents. That is 38 people per square mile of land.

What is the county seat of Wetzel County?

The county seat of Wetzel County is New Martinsville.

What cities and towns are in Wetzel County?

Wetzel County has 5 incorporated places. The most populous are New Martinsville city, Paden City city, Pine Grove town, Hundred town, and Smithfield town; 6,412 residents live outside any incorporated place.

Is Wetzel County part of a metropolitan area?

No. Wetzel County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Wetzel County?

13 ZIP Code Tabulation Areas have land in Wetzel County, and 11 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Wetzel County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 2.9 times as much land.

How many acres of land are in Wetzel County?

The land measurement converts to approximately 229,166 acres. Including water, total area is approximately 231,251 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

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