County outline
Where Murray County is located
Area breakdown
Land accounts for 97.9% of Murray County’s measured area and water for 2.1%. Its combined area converts to 1,101.1 square kilometers or approximately 272,092 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 416.375 | 1,078.406 | 266,480 |
| Water | 8.769 | 22.712 | 5,612.2 |
| Total | 425.144 | 1,101.118 | 272,092.2 |
How Murray County compares
By original Census land area, Murray County ranks #75 of 77 in Oklahoma and #2427 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.519 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 0.6% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
Population and density of Murray County
The Census Bureau estimates that 13,805 people lived in Murray County on July 1, 2025. That ranks #2,244 of 3,222 county equivalents nationally and #49 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 13,900, the population has declined by 95 (−0.7%), compared with +4.1% for Oklahoma as a whole.
With 416.4 square miles of land, that is 33 people per square mile (13 per km²), placing Murray County #1,915 nationally for density and #33 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 19 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 13,873 | 13,729 | 13,693 | 13,771 | 13,857 | 13,805 |
| Change | — | −144 | −36 | +78 | +86 | −52 |
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 Murray County
4 incorporated places lie at least partly in Murray County. Together they are home to 7,992 people (57.9%); the other 5,813 (42.1%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Sulphur city, with 4,878 residents in the county. By land, Davis city is the largest at 9.105 mi² across all its counties. Among places with at least 1,000 residents in 2020, Davis city grew fastest since then (+0.2%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Sulphur cityCounty seat | 4,878 | −1.7% | 6.031 |
| Davis cityAlso in 1 other county | 2,836 | +0.2% | 9.105 |
| Dougherty town | 195 | 0% | 0.37 |
| Hickory town | 83 | −2.4% | 0.521 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Murray County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Murray 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
7 ZIP Code Tabulation Areas have land in Murray County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.
73030730327308673098734447485674865
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 Murray County
Murray County shares a land border with 4 county equivalents. Each of them has more land than Murray County. The largest neighbor is Carter County (822.3 mi²) and the smallest is Johnston County (643.1 mi²). Together with its neighbors, Murray County forms a block of 3,404.2 mi² of land, of which it holds 12.2%.
| Bordering county equivalent | Land mi² | Size vs. Murray | Compare |
|---|---|---|---|
| Carter County | 822.3 | 2× larger | Compare |
| Garvin County | 802.1 | 1.9× larger | Compare |
| Pontotoc County | 720.4 | 1.7× larger | Compare |
| Johnston County | 643.1 | 1.5× larger | Compare |
How big is Murray County compared with U.S. states?
Murray County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.5 times as much. Oklahoma’s county land could hold about 165 areas the size of Murray County.
Another way to picture it: the same land area would fill a square about 20.4 miles (32.8 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 Murray County?
Murray County has more land than 795 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 Murray County at #2,467 nationally by total area, 40 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 2.1%, compared with a national county-equivalent median of 1.2% — 0.9 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 Murray County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2426 | Morgan County, Ohio | 416.4 | Compare |
| #2427 | Murray County, Oklahoma | 416.4 | This county |
| #2428 | Charlevoix County, Michigan | 416.3 | 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 34.485766, -97.071556. 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: 1,078,405,742 m²; AWATER: 22,710,765 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 Murray County?
Murray County, Oklahoma has 416.4 square miles (1,078.4 km²) of land and 8.769 square miles of water, for a total area of 425.1 square miles. It ranks #2427 of 3,222 U.S. county equivalents by land area.
Is Murray County the largest county in Oklahoma?
No. Murray County ranks #75 of 77 in Oklahoma by land area. The largest is Osage County, with 2,246.7 square miles of land.
What counties border Murray County?
Murray County shares a land border with Garvin County, Carter County, Johnston County, and Pontotoc County.
What is the population of Murray County?
The Census Bureau estimates Murray County had 13,805 residents on July 1, 2025, ranking #2,244 of 3,222 county equivalents. That is 33 people per square mile of land.
What is the county seat of Murray County?
The county seat of Murray County is Sulphur.
What cities and towns are in Murray County?
Murray County has 4 incorporated places. The most populous are Sulphur city, Davis city, Dougherty town, and Hickory town; 5,813 residents live outside any incorporated place.
Is Murray County part of a metropolitan area?
No. Murray County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Murray County?
7 ZIP Code Tabulation Areas have land in Murray 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 Murray County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.5 times as much land.
How many acres of land are in Murray County?
The land measurement converts to approximately 266,480 acres. Including water, total area is approximately 272,092 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.