County outline
Where Wheeler County is located
Area breakdown
Land accounts for 100% of Wheeler County’s measured area and water for 0%. Its combined area converts to 4,445.7 square kilometers or approximately 1,098,560 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 1,716.021 | 4,444.474 | 1,098,253.4 |
| Water | 0.479 | 1.241 | 306.6 |
| Total | 1,716.5 | 4,445.715 | 1,098,560 |
How Wheeler County compares
By original Census land area, Wheeler County ranks #20 of 36 in Oregon and #348 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.94 times the Oregon county-equivalent median of 1,826.2 square miles. It accounts for 1.8% of the combined county land area in the state.
See the complete Oregon ranking · What counts as a county equivalent?
Population and density of Wheeler County
The Census Bureau estimates that 1,472 people lived in Wheeler County on July 1, 2025. That ranks #3,159 of 3,222 county equivalents nationally and #36 of 36 in Oregon. Since the April 1, 2020 estimates base of 1,449, the population has grown by 23 (+1.6%), compared with +0.9% for Oregon as a whole.
With 1,716 square miles of land, that is 0.86 people per square mile (0.33 per km²), placing Wheeler County #3,168 nationally for density and #35 in Oregon. The median county equivalent has 47 people per square mile; the Oregon median is 25. Put another way, there are about 746 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 1,460 | 1,453 | 1,435 | 1,439 | 1,454 | 1,472 |
| Change | — | −7 | −18 | +4 | +15 | +18 |
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 Wheeler County
3 incorporated places lie at least partly in Wheeler County. Together they are home to 742 people (50.4%); the other 730 (49.6%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Fossil city, with 456 residents in the county. By land, Mitchell city is the largest at 1.278 mi².
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Fossil cityCounty seat | 456 | +1.3% | 0.783 |
| Mitchell city | 144 | +1.4% | 1.278 |
| Spray town | 142 | +0.7% | 0.289 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Wheeler County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Wheeler 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
5 ZIP Code Tabulation Areas have land in Wheeler County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.
9775097823978309784897874
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 Wheeler County
Wheeler County shares a land border with 6 county equivalents. It has more land than 1 of them. The largest neighbor is Grant County (4,527.8 mi²) and the smallest is Gilliam County (1,204.7 mi²). Together with its neighbors, Wheeler County forms a block of 16,620.8 mi² of land, of which it holds 10.3%.
| Bordering county equivalent | Land mi² | Size vs. Wheeler | Compare |
|---|---|---|---|
| Grant County | 4,527.8 | 2.6× larger | Compare |
| Crook County | 2,978.9 | 1.7× larger | Compare |
| Wasco County | 2,381.1 | 1.4× larger | Compare |
| Morrow County | 2,030.5 | 1.2× larger | Compare |
| Jefferson County | 1,781.7 | about the same | Compare |
| Gilliam County | 1,204.7 | 1.4× smaller | Compare |
How big is Wheeler County compared with U.S. states?
Wheeler County has more land than 1 of the 50 states. It is about 1.7 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). Oregon’s county land could hold about 56 areas the size of Wheeler County.
Another way to picture it: the same land area would fill a square about 41.4 miles (66.7 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 Wheeler County?
Wheeler County has more land than 2,874 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 Wheeler County at #391 nationally by total area, 43 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 Wheeler County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #347 | Hamilton County, New York | 1,717.4 | Compare |
| #348 | Wheeler County, Oregon | 1,716 | This county |
| #349 | Brown County, South Dakota | 1,713 | 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 44.736415, -120.026861. 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: 4,444,475,020 m²; AWATER: 1,241,033 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 Wheeler County?
Wheeler County, Oregon has 1,716 square miles (4,444.5 km²) of land and 0.479 square miles of water, for a total area of 1,716.5 square miles. It ranks #348 of 3,222 U.S. county equivalents by land area.
Is Wheeler County the largest county in Oregon?
No. Wheeler County ranks #20 of 36 in Oregon by land area. The largest is Harney County, with 10,134.5 square miles of land.
What counties border Wheeler County?
Wheeler County shares a land border with Crook County, Grant County, Gilliam County, Wasco County, Jefferson County, and Morrow County.
What is the population of Wheeler County?
The Census Bureau estimates Wheeler County had 1,472 residents on July 1, 2025, ranking #3,159 of 3,222 county equivalents. That is 0.86 people per square mile of land.
What is the county seat of Wheeler County?
The county seat of Wheeler County is Fossil.
What cities and towns are in Wheeler County?
Wheeler County has 3 incorporated places. The most populous are Fossil city, Mitchell city, and Spray town; 730 residents live outside any incorporated place.
Is Wheeler County part of a metropolitan area?
No. Wheeler County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Wheeler County?
5 ZIP Code Tabulation Areas have land in Wheeler 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 Wheeler 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 Wheeler County?
The land measurement converts to approximately 1,098,253 acres. Including water, total area is approximately 1,098,560 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.