Garden County area

Garden County, Nebraska covers 1,730.9 square miles: 1,704.8 square miles of land and 26 square miles of water. Its county seat is Oshkosh. An estimated 1,804 people lived there in 2025.

Official Census measurements · GEOID 310692026 Gazetteer · retrieved September 27, 2026
Land area1,704.8 mi²
Water area26 mi²
Population (2025)1,804
People per mi²1.1

County outline

Generalized outline of Garden 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 Garden County is located

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

Area breakdown

Land accounts for 98.5% of Garden County’s measured area and water for 1.5%. Its combined area converts to 4,482.9 square kilometers or approximately 1,107,756 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,704.8264,415.4791,091,088.6
Water26.04367.45116,667.5
Total1,730.8694,482.931,107,756.2

How Garden County compares

By original Census land area, Garden County ranks #7 of 93 in Nebraska and #354 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 2.964 times the Nebraska county-equivalent median of 575.2 square miles. It accounts for 2.2% of the combined county land area in the state.

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

Population and density of Garden County

The Census Bureau estimates that 1,804 people lived in Garden County on July 1, 2025. That ranks #3,132 of 3,222 county equivalents nationally and #75 of 93 in Nebraska. Since the April 1, 2020 estimates base of 1,873, the population has declined by 69 (−3.7%), compared with +2.9% for Nebraska as a whole.

With 1,704.8 square miles of land, that is 1.1 people per square mile (0.41 per km²), placing Garden County #3,142 nationally for density and #82 in Nebraska. The median county equivalent has 47 people per square mile; the Nebraska median is 8. Put another way, there are about 605 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate1,8891,8431,8391,8121,8111,804
Change—−46−4−27−1−7

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 Garden County

2 incorporated places lie at least partly in Garden County. Together they are home to 943 people (52.3%); the other 861 (47.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Oshkosh city, with 775 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Oshkosh cityCounty seat775−4%0.672
Lewellen village168−5.6%0.37

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

Metropolitan area

Garden 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

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

691296914769148691496915469333693356934069351

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 Garden County

Garden County shares a land border with 7 county equivalents. It has more land than 6 of them. The largest neighbor is Sheridan County (2,440.2 mi²) and the smallest is Deuel County (439.8 mi²). Together with its neighbors, Garden County forms a block of 9,758.4 mi² of land, of which it holds 17.5%.

Map of Garden County and the 7 county equivalents that border it Morrill County, Nebraska: 1,423.7 mi² landSheridan County, Nebraska: 2,440.2 mi² landDeuel County, Nebraska: 439.8 mi² landArthur County, Nebraska: 715.2 mi² landGrant County, Nebraska: 776.7 mi² landKeith County, Nebraska: 1,062.1 mi² landCheyenne County, Nebraska: 1,196 mi² land
Garden 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. GardenCompare
Sheridan County2,440.21.4× largerCompare
Morrill County1,423.71.2× smallerCompare
Cheyenne County1,1961.4× smallerCompare
Keith County1,062.11.6× smallerCompare
Grant County776.72.2× smallerCompare
Arthur County715.22.4× smallerCompare
Deuel County439.83.9× smallerCompare

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

Garden County has more land than 1 of the 50 states. It is about 1.6 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.1 times as much land (1,948.6 mi²). Nebraska’s county land could hold about 45 areas the size of Garden County.

Land area: Garden County and the closest-sized states
Rhode Island1,033.9 mi²
Garden County1,704.8 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 41.3 miles (66.4 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 Garden County?

Garden County has more land than 2,868 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Garden County1,704.8 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 Garden County at #390 nationally by total area, 36 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 1.5%, compared with a national county-equivalent median of 1.2% — 0.3 percentage points higher. 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 Garden County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#353Anchorage Municipality, Alaska1,706.8Compare
#354Garden County, Nebraska1,704.8This county
#355Benton County, Washington1,700.1Compare

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 41.633364, -102.302985. 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: 4,415,478,577 m²; AWATER: 67,450,146 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 Garden County?

Garden County, Nebraska has 1,704.8 square miles (4,415.5 km²) of land and 26 square miles of water, for a total area of 1,730.9 square miles. It ranks #354 of 3,222 U.S. county equivalents by land area.

Is Garden County the largest county in Nebraska?

No. Garden County ranks #7 of 93 in Nebraska by land area. The largest is Cherry County, with 5,960.1 square miles of land.

What counties border Garden County?

Garden County shares a land border with Morrill County, Sheridan County, Deuel County, Arthur County, Grant County, Keith County, and Cheyenne County.

What is the population of Garden County?

The Census Bureau estimates Garden County had 1,804 residents on July 1, 2025, ranking #3,132 of 3,222 county equivalents. That is 1.1 people per square mile of land.

What is the county seat of Garden County?

The county seat of Garden County is Oshkosh.

What cities and towns are in Garden County?

Garden County has 2 incorporated places. The most populous are Oshkosh city and Lewellen village; 861 residents live outside any incorporated place.

Is Garden County part of a metropolitan area?

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

How many ZIP codes are in Garden County?

9 ZIP Code Tabulation Areas have land in Garden 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 Garden 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 Garden County?

The land measurement converts to approximately 1,091,089 acres. Including water, total area is approximately 1,107,756 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