Sherman County area

Sherman County, Nebraska covers 571.6 square miles: 565.9 square miles of land and 5.768 square miles of water. Its county seat is Loup City. An estimated 2,924 people lived there in 2025.

Official Census measurements · GEOID 311632026 Gazetteer · retrieved September 27, 2026
Land area565.9 mi²
Water area5.768 mi²
Population (2025)2,924
People per mi²5.2

County outline

Generalized outline of Sherman County, Nebraska
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 99% of Sherman County’s measured area and water for 1%. Its combined area converts to 1,480.6 square kilometers or approximately 365,853 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land565.8771,465.615362,161.3
Water5.76814.9393,691.5
Total571.6451,480.554365,852.8

How Sherman County compares

By original Census land area, Sherman County ranks #64 of 93 in Nebraska and #1809 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.984 times the Nebraska county-equivalent median of 575.2 square miles. It accounts for 0.7% of the combined county land area in the state.

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

Population and density of Sherman County

The Census Bureau estimates that 2,924 people lived in Sherman County on July 1, 2025. That ranks #3,038 of 3,222 county equivalents nationally and #66 of 93 in Nebraska. Since the April 1, 2020 estimates base of 2,963, the population has declined by 39 (−1.3%), compared with +2.9% for Nebraska as a whole.

With 565.9 square miles of land, that is 5.2 people per square mile (2 per km²), placing Sherman County #2,844 nationally for density and #60 in Nebraska. The median county equivalent has 47 people per square mile; the Nebraska median is 8. Put another way, there are about 124 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate2,9602,9723,0062,9822,9532,924
Change—+12+34−24−29−29

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

5 incorporated places lie at least partly in Sherman County. Together they are home to 1,586 people (54.2%); the other 1,338 (45.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Loup City city, with 1,026 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Loup City cityCounty seat1,026−2.4%0.942
Litchfield village213−1.8%0.304
Ashton village200−2%0.592
Rockville village88−1.1%0.222
Hazard village59−1.7%0.256

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

8 ZIP Code Tabulation Areas have land in Sherman County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

6881568817688446885268853688596886968871

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 5 county equivalents. Each of them has more land than Sherman County. The largest neighbor is Custer County (2,575.5 mi²) and the smallest is Valley County (568.1 mi²). Together with its neighbors, Sherman County forms a block of 5,816.8 mi² of land, of which it holds 9.7%.

Map of Sherman County and the 5 county equivalents that border it Custer County, Nebraska: 2,575.5 mi² landHoward County, Nebraska: 569.3 mi² landBuffalo County, Nebraska: 968.2 mi² landValley County, Nebraska: 568.1 mi² landGreeley County, Nebraska: 569.8 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
Custer County2,575.54.6× largerCompare
Buffalo County968.21.7× largerCompare
Greeley County569.8about the sameCompare
Howard County569.3about the sameCompare
Valley County568.1about the sameCompare

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

Sherman County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.8 times as much. Nebraska’s county land could hold about 136 areas the size of Sherman County.

Land area: Sherman County and the closest-sized states
Sherman County565.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 23.8 miles (38.3 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 1,413 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Sherman County565.9 mi²
Nebraska median575.2 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 #1,910 nationally by total area, 101 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% — 0.2 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
#1808Marshall County, Alabama566Compare
#1809Sherman County, Nebraska565.9This county
#1810Nowata County, Oklahoma565.8Compare

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 41.218743, -98.972849. 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: 1,465,613,574 m²; AWATER: 14,937,776 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, Nebraska has 565.9 square miles (1,465.6 km²) of land and 5.768 square miles of water, for a total area of 571.6 square miles. It ranks #1809 of 3,222 U.S. county equivalents by land area.

Is Sherman County the largest county in Nebraska?

No. Sherman County ranks #64 of 93 in Nebraska by land area. The largest is Cherry County, with 5,960.1 square miles of land.

What counties border Sherman County?

Sherman County shares a land border with Custer County, Howard County, Buffalo County, Valley County, and Greeley County.

What is the population of Sherman County?

The Census Bureau estimates Sherman County had 2,924 residents on July 1, 2025, ranking #3,038 of 3,222 county equivalents. That is 5.2 people per square mile of land.

What is the county seat of Sherman County?

The county seat of Sherman County is Loup City.

What cities and towns are in Sherman County?

Sherman County has 5 incorporated places. The most populous are Loup City city, Litchfield village, Ashton village, Rockville village, and Hazard village; 1,338 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?

8 ZIP Code Tabulation Areas have land in Sherman County, and 5 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 less land than every state. Rhode Island, the smallest, has 1.8 times as much land.

How many acres of land are in Sherman County?

The land measurement converts to approximately 362,161 acres. Including water, total area is approximately 365,853 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