County outline
Where Sherman County is located
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
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 565.877 | 1,465.615 | 362,161.3 |
| Water | 5.768 | 14.939 | 3,691.5 |
| Total | 571.645 | 1,480.554 | 365,852.8 |
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.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 2,960 | 2,972 | 3,006 | 2,982 | 2,953 | 2,924 |
| 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 place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Loup City cityCounty seat | 1,026 | −2.4% | 0.942 |
| Litchfield village | 213 | −1.8% | 0.304 |
| Ashton village | 200 | −2% | 0.592 |
| Rockville village | 88 | −1.1% | 0.222 |
| Hazard village | 59 | −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%.
| Bordering county equivalent | Land mi² | Size vs. Sherman | Compare |
|---|---|---|---|
| Custer County | 2,575.5 | 4.6× larger | Compare |
| Buffalo County | 968.2 | 1.7× larger | Compare |
| Greeley County | 569.8 | about the same | Compare |
| Howard County | 569.3 | about the same | Compare |
| Valley County | 568.1 | about the same | Compare |
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.
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.
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 rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1808 | Marshall County, Alabama | 566 | Compare |
| #1809 | Sherman County, Nebraska | 565.9 | This county |
| #1810 | Nowata County, Oklahoma | 565.8 | Compare |
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.
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.