Harney County area

Harney County, Oregon covers 10,227.7 square miles: 10,134.5 square miles of land and 93.2 square miles of water. Its county seat is Burns. An estimated 7,380 people lived there in 2025.

Official Census measurements · GEOID 410252026 Gazetteer · retrieved September 27, 2026
Land area10,134.5 mi²
Water area93.2 mi²
Population (2025)7,380
People per mi²0.73

County outline

Generalized outline of Harney County, Oregon
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 Harney County is located

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

Area breakdown

Land accounts for 99.1% of Harney County’s measured area and water for 0.9%. Its combined area converts to 26,489.6 square kilometers or approximately 6,545,733 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land10,134.4626,248.1316,486,054.4
Water93.248241.51159,678.7
Total10,227.70826,489.6426,545,733.1

How Harney County compares

By original Census land area, Harney County ranks #1 of 36 in Oregon and #23 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 5.549 times the Oregon county-equivalent median of 1,826.2 square miles. It accounts for 10.6% of the combined county land area in the state.

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

Population and density of Harney County

The Census Bureau estimates that 7,380 people lived in Harney County on July 1, 2025. That ranks #2,704 of 3,222 county equivalents nationally and #32 of 36 in Oregon. Since the April 1, 2020 estimates base of 7,502, the population has declined by 122 (−1.6%), compared with +0.9% for Oregon as a whole.

With 10,134.5 square miles of land, that is 0.73 people per square mile (0.28 per km²), placing Harney County #3,177 nationally for density and #36 in Oregon. The median county equivalent has 47 people per square mile; the Oregon median is 25. Put another way, there are about 879 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate7,5077,6047,5407,4587,4237,380
Change—+97−64−82−35−43

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 Harney County

2 incorporated places lie at least partly in Harney County. Together they are home to 4,302 people (58.3%); the other 3,078 (41.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Burns city, with 2,692 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Burns cityCounty seat2,692−1.4%3.55
Hines city1,610−2.3%2.063

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

Metropolitan area

Harney 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

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

97710977209772197722977329773697738977549775897904

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 Harney County

Harney County shares a land border with 7 county equivalents, including 2 in Nevada. It has more land than every one of them. The largest neighbor is Malheur County (9,887.7 mi²) and the smallest is Crook County (2,978.9 mi²). Together with its neighbors, Harney County forms a block of 54,641.8 mi² of land, of which it holds 18.5%.

Map of Harney County and the 7 county equivalents that border it Lake County, Oregon: 8,138.6 mi² landMalheur County, Oregon: 9,887.7 mi² landGrant County, Oregon: 4,527.8 mi² landHumboldt County, Nevada: 9,640.8 mi² landCrook County, Oregon: 2,978.9 mi² landDeschutes County, Oregon: 3,017.6 mi² landWashoe County, Nevada: 6,315.9 mi² land
Harney 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. HarneyCompare
Malheur County9,887.7about the sameCompare
Humboldt CountyNevada9,640.81.1× smallerCompare
Lake County8,138.61.2× smallerCompare
Washoe CountyNevada6,315.91.6× smallerCompare
Grant County4,527.82.2× smallerCompare
Deschutes County3,017.63.4× smallerCompare
Crook County2,978.93.4× smallerCompare

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

Harney County has more land than 9 of the 50 states. It is about 1 times the land area of Maryland (9,711 mi²), while West Virginia, the next larger state, has 2.4 times as much land (24,041.4 mi²). Oregon’s county land could hold about 9.5 areas the size of Harney County.

Land area: Harney County and the closest-sized states
Maryland9,711 mi²
Harney County10,134.5 mi²
West Virginia24,041.4 mi²

Another way to picture it: the same land area would fill a square about 100.7 miles (162 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 Harney County?

Harney County has more land than 3,199 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Harney County10,134.5 mi²
Oregon median1,826.2 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 Harney County at #27 nationally by total area, 4 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 0.9%, compared with a national county-equivalent median of 1.2% — 0.3 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 Harney County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#22Inyo County, California10,197.3Compare
#23Harney County, Oregon10,134.5This county
#24Navajo County, Arizona9,949.5Compare

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 43.064449, -118.987169. 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: 26,248,128,943 m²; AWATER: 241,512,209 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 Harney County?

Harney County, Oregon has 10,134.5 square miles (26,248.1 km²) of land and 93.2 square miles of water, for a total area of 10,227.7 square miles. It ranks #23 of 3,222 U.S. county equivalents by land area.

Is Harney County the largest county in Oregon?

Yes. Harney County has the most land of the 36 county equivalents in Oregon.

What counties border Harney County?

Harney County shares a land border with Lake County, Malheur County, Grant County, Humboldt County, Nevada, Crook County, Deschutes County, and Washoe County, Nevada.

What is the population of Harney County?

The Census Bureau estimates Harney County had 7,380 residents on July 1, 2025, ranking #2,704 of 3,222 county equivalents. That is 0.73 people per square mile of land.

What is the county seat of Harney County?

The county seat of Harney County is Burns.

What cities and towns are in Harney County?

Harney County has 2 incorporated places. The most populous are Burns city and Hines city; 3,078 residents live outside any incorporated place.

Is Harney County part of a metropolitan area?

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

How many ZIP codes are in Harney County?

10 ZIP Code Tabulation Areas have land in Harney County, and 9 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has more land than 9 of the 50 states, including Maryland (9,711 square miles of land).

How many acres of land are in Harney County?

The land measurement converts to approximately 6,486,054 acres. Including water, total area is approximately 6,545,733 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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