County outline
Where Woodruff County is located
Area breakdown
Land accounts for 98.6% of Woodruff County’s measured area and water for 1.4%. Its combined area converts to 1,538.7 square kilometers or approximately 380,228 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 585.973 | 1,517.663 | 375,022.7 |
| Water | 8.133 | 21.064 | 5,205.1 |
| Total | 594.106 | 1,538.727 | 380,227.8 |
How Woodruff County compares
By original Census land area, Woodruff County ranks #64 of 75 in Arkansas and #1679 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.905 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 1.1% of the combined county land area in the state.
See the complete Arkansas ranking · What counts as a county equivalent?
Population and density of Woodruff County
The Census Bureau estimates that 5,710 people lived in Woodruff County on July 1, 2025. That ranks #2,833 of 3,222 county equivalents nationally and #74 of 75 in Arkansas. Since the April 1, 2020 estimates base of 6,270, the population has declined by 560 (−8.9%), compared with +3.4% for Arkansas as a whole.
With 586 square miles of land, that is 9.7 people per square mile (3.8 per km²), placing Woodruff County #2,652 nationally for density and #72 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 66 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 6,222 | 6,124 | 6,040 | 5,941 | 5,793 | 5,710 |
| Change | — | −98 | −84 | −99 | −148 | −83 |
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 Woodruff County
5 incorporated places lie at least partly in Woodruff County. Together they are home to 4,116 people (72.1%); the other 1,594 (27.9%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Augusta city, with 1,813 residents in the county. By land, McCrory city is the largest at 2.368 mi².
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Augusta cityCounty seat | 1,813 | −9.5% | 2.072 |
| McCrory city | 1,440 | −9.4% | 2.368 |
| Cotton Plant city | 482 | −8.7% | 1.039 |
| Patterson city | 282 | −8.7% | 1.13 |
| Hunter town | 99 | −7.5% | 0.618 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Woodruff County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Woodruff 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 Woodruff County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.
72006720217203672040720597207472101721127212372392
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 Woodruff County
Woodruff County shares a land border with 6 county equivalents. Each of them has more land than Woodruff County. The largest neighbor is White County (1,034 mi²) and the smallest is Monroe County (607.5 mi²). Together with its neighbors, Woodruff County forms a block of 4,759.6 mi² of land, of which it holds 12.3%.
| Bordering county equivalent | Land mi² | Size vs. Woodruff | Compare |
|---|---|---|---|
| White County | 1,034 | 1.8× larger | Compare |
| Prairie County | 647.5 | 1.1× larger | Compare |
| St. Francis County | 634.8 | 1.1× larger | Compare |
| Jackson County | 633.6 | 1.1× larger | Compare |
| Cross County | 616.3 | 1.1× larger | Compare |
| Monroe County | 607.5 | about the same | Compare |
How big is Woodruff County compared with U.S. states?
Woodruff 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. Arkansas’s county land could hold about 89 areas the size of Woodruff County.
Another way to picture it: the same land area would fill a square about 24.2 miles (39 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 Woodruff County?
Woodruff County has more land than 1,543 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 Woodruff County at #1,762 nationally by total area, 83 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 1.4%, compared with a national county-equivalent median of 1.2% — 0.2 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 Woodruff County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1678 | Kent County, Delaware | 586.1 | Compare |
| #1679 | Woodruff County, Arkansas | 586 | This county |
| #1680 | Baker County, Florida | 585.2 | 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 35.192777, -91.244535. 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: 1,517,662,711 m²; AWATER: 21,064,562 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 Woodruff County?
Woodruff County, Arkansas has 586 square miles (1,517.7 km²) of land and 8.133 square miles of water, for a total area of 594.1 square miles. It ranks #1679 of 3,222 U.S. county equivalents by land area.
Is Woodruff County the largest county in Arkansas?
No. Woodruff County ranks #64 of 75 in Arkansas by land area. The largest is Union County, with 1,039.1 square miles of land.
What counties border Woodruff County?
Woodruff County shares a land border with White County, Jackson County, St. Francis County, Prairie County, Monroe County, and Cross County.
What is the population of Woodruff County?
The Census Bureau estimates Woodruff County had 5,710 residents on July 1, 2025, ranking #2,833 of 3,222 county equivalents. That is 9.7 people per square mile of land.
What is the county seat of Woodruff County?
The county seat of Woodruff County is Augusta.
What cities and towns are in Woodruff County?
Woodruff County has 5 incorporated places. The most populous are Augusta city, McCrory city, Cotton Plant city, Patterson city, and Hunter town; 1,594 residents live outside any incorporated place.
Is Woodruff County part of a metropolitan area?
No. Woodruff County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Woodruff County?
10 ZIP Code Tabulation Areas have land in Woodruff County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Woodruff 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 Woodruff County?
The land measurement converts to approximately 375,023 acres. Including water, total area is approximately 380,228 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.