Lewis County area

Lewis County, West Virginia covers 389.6 square miles: 386.9 square miles of land and 2.714 square miles of water. Its county seat is Weston. An estimated 16,394 people lived there in 2025.

Official Census measurements · GEOID 540412026 Gazetteer · retrieved September 27, 2026
Land area386.9 mi²
Water area2.714 mi²
Population (2025)16,394
People per mi²42

County outline

Generalized outline of Lewis 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 Lewis County is located

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

Area breakdown

Land accounts for 99.3% of Lewis County’s measured area and water for 0.7%. Its combined area converts to 1,009.2 square kilometers or approximately 249,373 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land386.9321,002.149247,636.5
Water2.7147.0291,737
Total389.6461,009.179249,373.4

How Lewis County compares

By original Census land area, Lewis County ranks #30 of 55 in West Virginia and #2579 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.923 times the West Virginia county-equivalent median of 419 square miles. It accounts for 1.6% 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 Lewis County

The Census Bureau estimates that 16,394 people lived in Lewis County on July 1, 2025. That ranks #2,079 of 3,222 county equivalents nationally and #34 of 55 in West Virginia. Since the April 1, 2020 estimates base of 17,031, the population has declined by 637 (−3.7%), compared with −1.5% for West Virginia as a whole.

With 386.9 square miles of land, that is 42 people per square mile (16 per km²), placing Lewis County #1,701 nationally for density and #30 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 15 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate17,02116,88016,72016,60716,47816,394
Change—−141−160−113−129−84

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 Lewis County

2 incorporated places lie at least partly in Lewis County. Together they are home to 4,131 people (25.2%); the other 12,263 (74.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Weston city, with 3,736 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Weston cityCounty seat3,736−5.3%1.944
Jane Lew town395−4.8%0.239

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

Metropolitan area

Lewis 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

11 ZIP Code Tabulation Areas have land in Lewis County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.

2620126321263382634326372263762637826384264122644726452

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 Lewis County

Lewis County shares a land border with 6 county equivalents. It has more land than 3 of them. The largest neighbor is Webster County (553.5 mi²) and the smallest is Doddridge County (319.7 mi²). Together with its neighbors, Lewis County forms a block of 2,880 mi² of land, of which it holds 13.4%.

Map of Lewis County and the 6 county equivalents that border it Upshur County, West Virginia: 354.6 mi² landHarrison County, West Virginia: 416 mi² landGilmer County, West Virginia: 338.5 mi² landBraxton County, West Virginia: 510.7 mi² landDoddridge County, West Virginia: 319.7 mi² landWebster County, West Virginia: 553.5 mi² land
Lewis 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. LewisCompare
Webster County553.51.4× largerCompare
Braxton County510.71.3× largerCompare
Harrison County4161.1× largerCompare
Upshur County354.61.1× smallerCompare
Gilmer County338.51.1× smallerCompare
Doddridge County319.71.2× smallerCompare

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

Lewis County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.7 times as much. West Virginia’s county land could hold about 62 areas the size of Lewis County.

Land area: Lewis County and the closest-sized states
Lewis County386.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 19.7 miles (31.7 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 Lewis County?

Lewis County has more land than 643 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Lewis County386.9 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 Lewis County at #2,636 nationally by total area, 57 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 0.7%, compared with a national county-equivalent median of 1.2% — 0.5 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 Lewis County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2578Fannin County, Georgia387.2Compare
#2579Lewis County, West Virginia386.9This county
#2580Montgomery County, Virginia386.8Compare

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 38.988912, -80.495382. 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: 1,002,149,955 m²; AWATER: 7,030,172 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 Lewis County?

Lewis County, West Virginia has 386.9 square miles (1,002.1 km²) of land and 2.714 square miles of water, for a total area of 389.6 square miles. It ranks #2579 of 3,222 U.S. county equivalents by land area.

Is Lewis County the largest county in West Virginia?

No. Lewis County ranks #30 of 55 in West Virginia by land area. The largest is Randolph County, with 1,039.7 square miles of land.

What counties border Lewis County?

Lewis County shares a land border with Upshur County, Harrison County, Gilmer County, Braxton County, Doddridge County, and Webster County.

What is the population of Lewis County?

The Census Bureau estimates Lewis County had 16,394 residents on July 1, 2025, ranking #2,079 of 3,222 county equivalents. That is 42 people per square mile of land.

What is the county seat of Lewis County?

The county seat of Lewis County is Weston.

What cities and towns are in Lewis County?

Lewis County has 2 incorporated places. The most populous are Weston city and Jane Lew town; 12,263 residents live outside any incorporated place.

Is Lewis County part of a metropolitan area?

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

How many ZIP codes are in Lewis County?

11 ZIP Code Tabulation Areas have land in Lewis County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.7 times as much land.

How many acres of land are in Lewis County?

The land measurement converts to approximately 247,636 acres. Including water, total area is approximately 249,373 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