Sherman County area

Sherman County, Kansas covers 1,056.3 square miles: 1,056.1 square miles of land and 0.212 square miles of water. Its county seat is Goodland. An estimated 5,763 people lived there in 2025.

Official Census measurements · GEOID 201812026 Gazetteer · retrieved September 27, 2026
Land area1,056.1 mi²
Water area0.212 mi²
Population (2025)5,763
People per mi²5.5

County outline

Generalized outline of Sherman County, Kansas
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 Sherman County is located

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

Area breakdown

Land accounts for 100% of Sherman County’s measured area and water for 0%. Its combined area converts to 2,735.7 square kilometers or approximately 676,017 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,056.0642,735.193675,881
Water0.2120.549135.7
Total1,056.2762,735.742676,016.6

How Sherman County compares

By original Census land area, Sherman County ranks #14 of 105 in Kansas and #617 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.447 times the Kansas county-equivalent median of 729.7 square miles. It accounts for 1.3% of the combined county land area in the state.

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

Population and density of Sherman County

The Census Bureau estimates that 5,763 people lived in Sherman County on July 1, 2025. That ranks #2,827 of 3,222 county equivalents nationally and #58 of 105 in Kansas. Since the April 1, 2020 estimates base of 5,936, the population has declined by 173 (−2.9%), compared with +1.3% for Kansas as a whole.

With 1,056.1 square miles of land, that is 5.5 people per square mile (2.1 per km²), placing Sherman County #2,825 nationally for density and #69 in Kansas. The median county equivalent has 47 people per square mile; the Kansas median is 8.1. Put another way, there are about 117 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate5,9075,9415,8615,7905,7925,763
Change—+34−80−71+2−29

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 Sherman County

2 incorporated places lie at least partly in Sherman County. Together they are home to 4,514 people (78.3%); the other 1,249 (21.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Goodland city, with 4,366 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Goodland cityCounty seat4,366−2.9%4.522
Kanorado city148−3.9%0.261

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

Metropolitan area

Sherman 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

4 ZIP Code Tabulation Areas have land in Sherman County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.

67732677336773567741

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 Sherman County

Sherman County shares a land border with 6 county equivalents, including 1 in Colorado. It has more land than 2 of them. The largest neighbor is Kit Carson County (2,160.8 mi²) and the smallest is Wallace County (913.7 mi²). Together with its neighbors, Sherman County forms a block of 8,367.5 mi² of land, of which it holds 12.6%.

Map of Sherman County and the 6 county equivalents that border it Cheyenne County, Kansas: 1,019.9 mi² landKit Carson County, Colorado: 2,160.8 mi² landThomas County, Kansas: 1,074.7 mi² landWallace County, Kansas: 913.7 mi² landLogan County, Kansas: 1,073 mi² landRawlins County, Kansas: 1,069.4 mi² land
Sherman 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. ShermanCompare
Kit Carson CountyColorado2,160.82× largerCompare
Thomas County1,074.7about the sameCompare
Logan County1,073about the sameCompare
Rawlins County1,069.4about the sameCompare
Cheyenne County1,019.9about the sameCompare
Wallace County913.71.2× smallerCompare

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

Sherman County has more land than 1 of the 50 states. It is about 1 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.8 times as much land (1,948.6 mi²). Kansas’s county land could hold about 77 areas the size of Sherman County.

Land area: Sherman County and the closest-sized states
Rhode Island1,033.9 mi²
Sherman County1,056.1 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 32.5 miles (52.3 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 Sherman County?

Sherman County has more land than 2,605 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Sherman County1,056.1 mi²
Kansas median729.7 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 Sherman County at #715 nationally by total area, 98 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%, compared with a national county-equivalent median of 1.2% — 1.1 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 Sherman County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#616Colleton County, South Carolina1,056.5Compare
#617Sherman County, Kansas1,056.1This county
#618Bell County, Texas1,053.8Compare

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 39.351352, -101.719859. 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: 2,735,192,873 m²; AWATER: 548,248 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 Sherman County?

Sherman County, Kansas has 1,056.1 square miles (2,735.2 km²) of land and 0.212 square miles of water, for a total area of 1,056.3 square miles. It ranks #617 of 3,222 U.S. county equivalents by land area.

Is Sherman County the largest county in Kansas?

No. Sherman County ranks #14 of 105 in Kansas by land area. The largest is Butler County, with 1,429.7 square miles of land.

What counties border Sherman County?

Sherman County shares a land border with Cheyenne County, Kit Carson County, Colorado, Thomas County, Wallace County, Logan County, and Rawlins County.

What is the population of Sherman County?

The Census Bureau estimates Sherman County had 5,763 residents on July 1, 2025, ranking #2,827 of 3,222 county equivalents. That is 5.5 people per square mile of land.

What is the county seat of Sherman County?

The county seat of Sherman County is Goodland.

What cities and towns are in Sherman County?

Sherman County has 2 incorporated places. The most populous are Goodland city and Kanorado city; 1,249 residents live outside any incorporated place.

Is Sherman County part of a metropolitan area?

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

How many ZIP codes are in Sherman County?

4 ZIP Code Tabulation Areas have land in Sherman County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has more land than 1 of the 50 states, including Rhode Island (1,033.9 square miles of land).

How many acres of land are in Sherman County?

The land measurement converts to approximately 675,881 acres. Including water, total area is approximately 676,017 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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