Kanawha County area

Kanawha County, West Virginia covers 911 square miles: 901.7 square miles of land and 9.286 square miles of water. Its county seat is Charleston. An estimated 172,381 people lived there in 2025.

Official Census measurements · GEOID 540392026 Gazetteer · retrieved September 27, 2026
Land area901.7 mi²
Water area9.286 mi²
Population (2025)172,381
People per mi²191

County outline

Generalized outline of Kanawha 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 Kanawha County is located

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

Area breakdown

Land accounts for 99% of Kanawha County’s measured area and water for 1%. Its combined area converts to 2,359.5 square kilometers or approximately 583,055 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land901.7382,335.491577,112.3
Water9.28624.0515,943
Total911.0242,359.541583,055.4

How Kanawha County compares

By original Census land area, Kanawha County ranks #4 of 55 in West Virginia and #844 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 2.152 times the West Virginia county-equivalent median of 419 square miles. It accounts for 3.8% 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 Kanawha County

The Census Bureau estimates that 172,381 people lived in Kanawha County on July 1, 2025. That ranks #412 of 3,222 county equivalents nationally and #1 of 55 in West Virginia. Since the April 1, 2020 estimates base of 180,733, the population has declined by 8,352 (−4.6%), compared with −1.5% for West Virginia as a whole.

With 901.7 square miles of land, that is 191 people per square mile (74 per km²), placing Kanawha County #653 nationally for density and #9 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 3.3 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate180,215178,124175,864174,434173,423172,381
Change—−2,091−2,260−1,430−1,011−1,042

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 Kanawha County

16 incorporated places lie at least partly in Kanawha County. Together they are home to 89,669 people (52%); the other 82,712 (48%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Charleston city, with 46,117 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Charleston cityCounty seat46,117−5.5%31.4
South Charleston city13,072−5.9%9.775
St. Albans city10,210−6%3.615
Dunbar city7,050−5.8%2.802
Nitro cityAlso in 1 other county5,217−5.1%5.345
Marmet city1,416−5.3%1.274
Chesapeake town1,270−5.1%0.481
Belle town1,088−6.1%0.69
Clendenin town859+0.7%1.442
East Bank town772−5.4%0.482
Cedar Grove town682−5.4%0.717
Glasgow town682−3.8%0.466
Montgomery cityAlso in 1 other county564−5.8%1.621
Pratt town458−5.8%0.286
Handley town210−5.8%0.954
Show the other 1 places
NamePopulation 2025Since 2020Land mi²
Smithers cityAlso in 1 other county20%1.441

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

Metropolitan area

Kanawha County is a central county of the Charleston, WV Metropolitan Statistical Area. Its 3 county equivalents have 200,170 residents on 1,746.1 square miles of land; Kanawha County accounts for 51.6% of the land and 86.1% of the residents. By combined land it ranks #180 of 393 metropolitan areas, and #237 by population. It belongs to the Charleston-Huntington-Ashland, WV-OH-KY Combined Statistical Area.

County equivalentPopulation 2025Land mi²
Kanawha County172,381901.7
Boone County20,251502.4
Clay County7,538342

ZIP codes

48 ZIP Code Tabulation Areas have land in Kanawha County; 44 of them have most of their land inside the county, and the others mainly cover neighboring areas.

250032501525025250352503625039250452505425061250642506725071250752508325086251022510325107251102511225124251262513225134251362514325156251602516225177252012520225214252482530125302253032530425305253062530925311253122531325314253152532025387

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 Kanawha County

Kanawha County shares a land border with 8 county equivalents. It has more land than every one of them. The largest neighbor is Fayette County (662 mi²) and the smallest is Clay County (342 mi²). Together with its neighbors, Kanawha County forms a block of 4,743.7 mi² of land, of which it holds 19%.

Map of Kanawha County and the 8 county equivalents that border it Boone County, West Virginia: 502.4 mi² landPutnam County, West Virginia: 345.7 mi² landFayette County, West Virginia: 662 mi² landClay County, West Virginia: 342 mi² landRoane County, West Virginia: 483.6 mi² landJackson County, West Virginia: 464.4 mi² landLincoln County, West Virginia: 437.1 mi² landRaleigh County, West Virginia: 605 mi² land
Kanawha 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. KanawhaCompare
Fayette County6621.4× smallerCompare
Raleigh County6051.5× smallerCompare
Boone County502.41.8× smallerCompare
Roane County483.61.9× smallerCompare
Jackson County464.41.9× smallerCompare
Lincoln County437.12.1× smallerCompare
Putnam County345.72.6× smallerCompare
Clay County3422.6× smallerCompare

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

Kanawha County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.1 times as much. West Virginia’s county land could hold about 27 areas the size of Kanawha County.

Land area: Kanawha County and the closest-sized states
Kanawha County901.7 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 30 miles (48.3 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 Kanawha County?

Kanawha County has more land than 2,378 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Kanawha County901.7 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 Kanawha County at #927 nationally by total area, 83 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 1%, compared with a national county-equivalent median of 1.2% — 0.1 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 Kanawha County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#843Menard County, Texas902Compare
#844Kanawha County, West Virginia901.7This county
#845Dickens County, Texas901.7Compare

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 38.325037, -81.532775. 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: 2,335,490,840 m²; AWATER: 24,050,221 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 Kanawha County?

Kanawha County, West Virginia has 901.7 square miles (2,335.5 km²) of land and 9.286 square miles of water, for a total area of 911 square miles. It ranks #844 of 3,222 U.S. county equivalents by land area.

Is Kanawha County the largest county in West Virginia?

No. Kanawha County ranks #4 of 55 in West Virginia by land area. The largest is Randolph County, with 1,039.7 square miles of land.

What counties border Kanawha County?

Kanawha County shares a land border with Boone County, Putnam County, Fayette County, Clay County, Roane County, Jackson County, Lincoln County, and Raleigh County.

What is the population of Kanawha County?

The Census Bureau estimates Kanawha County had 172,381 residents on July 1, 2025, ranking #412 of 3,222 county equivalents. That is 191 people per square mile of land.

What is the county seat of Kanawha County?

The county seat of Kanawha County is Charleston.

What cities and towns are in Kanawha County?

Kanawha County has 16 incorporated places. The most populous five are Charleston city, South Charleston city, St. Albans city, Dunbar city, and Nitro city; 82,712 residents live outside any incorporated place.

Is Kanawha County part of a metropolitan area?

Yes. It is a central county of the Charleston, WV Metropolitan Statistical Area, which has 3 county equivalents and 200,170 residents.

How many ZIP codes are in Kanawha County?

48 ZIP Code Tabulation Areas have land in Kanawha County, and 44 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 1.1 times as much land.

How many acres of land are in Kanawha County?

The land measurement converts to approximately 577,112 acres. Including water, total area is approximately 583,055 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