County outline
Where Fulton County is located
Area breakdown
Land accounts for 99.6% of Fulton County’s measured area and water for 0.4%. Its combined area converts to 1,607 square kilometers or approximately 397,087 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 617.994 | 1,600.597 | 395,516.2 |
| Water | 2.455 | 6.358 | 1,571.2 |
| Total | 620.449 | 1,606.956 | 397,087.4 |
How Fulton County compares
By original Census land area, Fulton County ranks #47 of 75 in Arkansas and #1561 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.955 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 1.2% of the combined county land area in the state.
See the complete Arkansas ranking · What counts as a county equivalent?
Population and density of Fulton County
The Census Bureau estimates that 12,492 people lived in Fulton County on July 1, 2025. That ranks #2,322 of 3,222 county equivalents nationally and #55 of 75 in Arkansas. Since the April 1, 2020 estimates base of 12,072, the population has grown by 420 (+3.5%), compared with +3.4% for Arkansas as a whole.
With 618 square miles of land, that is 20 people per square mile (7.8 per km²), placing Fulton County #2,321 nationally for density and #55 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 32 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 12,052 | 12,139 | 12,357 | 12,431 | 12,554 | 12,492 |
| Change | — | +87 | +218 | +74 | +123 | −62 |
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 Fulton County
7 incorporated places lie at least partly in Fulton County. Together they are home to 3,933 people (31.5%); the other 8,559 (68.5%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Salem city, with 1,611 residents in the county. By land, Cherokee Village city is the largest at 20.4 mi² across all its counties.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Salem cityCounty seat | 1,611 | +2.5% | 2.412 |
| Mammoth Spring city | 941 | +1.4% | 1.292 |
| Cherokee Village cityAlso in 1 other county | 869 | +3.9% | 20.4 |
| Viola town | 371 | +3.6% | 1.571 |
| Ash Flat cityAlso in 1 other county | 98 | −12.5% | 6.365 |
| Hardy cityAlso in 1 other county | 36 | +5.9% | 5.18 |
| Horseshoe Bend cityAlso in 2 other counties | 7 | 0% | 13.4 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Fulton County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Fulton 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
14 ZIP Code Tabulation Areas have land in Fulton County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.
7251272513725157251972520725297253172538725397254272554725767257872583
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 Fulton County
Fulton County shares a land border with 6 county equivalents, including 3 in Missouri. It has more land than 3 of them. The largest neighbor is Howell County (927.2 mi²) and the smallest is Baxter County (553.9 mi²). Together with its neighbors, Fulton County forms a block of 4,818.8 mi² of land, of which it holds 12.8%.
| Bordering county equivalent | Land mi² | Size vs. Fulton | Compare |
|---|---|---|---|
| Howell CountyMissouri | 927.2 | 1.5× larger | Compare |
| Oregon CountyMissouri | 789.8 | 1.3× larger | Compare |
| Ozark CountyMissouri | 745 | 1.2× larger | Compare |
| Sharp County | 604.6 | about the same | Compare |
| Izard County | 580.2 | 1.1× smaller | Compare |
| Baxter County | 553.9 | 1.1× smaller | Compare |
How big is Fulton County compared with U.S. states?
Fulton County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.7 times as much. Arkansas’s county land could hold about 84 areas the size of Fulton County.
Another way to picture it: the same land area would fill a square about 24.9 miles (40 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 Fulton County?
Fulton County has more land than 1,661 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 Fulton County at #1,675 nationally by total area, 114 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 0.4%, compared with a national county-equivalent median of 1.2% — 0.8 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 Fulton County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1560 | Logan County, Illinois | 618.1 | Compare |
| #1561 | Fulton County, Arkansas | 618 | This county |
| #1562 | Bollinger County, Missouri | 617.9 | 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 36.381322, -91.819285. 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: 1,600,597,359 m²; AWATER: 6,357,865 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 Fulton County?
Fulton County, Arkansas has 618 square miles (1,600.6 km²) of land and 2.455 square miles of water, for a total area of 620.4 square miles. It ranks #1561 of 3,222 U.S. county equivalents by land area.
Is Fulton County the largest county in Arkansas?
No. Fulton County ranks #47 of 75 in Arkansas by land area. The largest is Union County, with 1,039.1 square miles of land.
What counties border Fulton County?
Fulton County shares a land border with Sharp County, Izard County, Howell County, Missouri, Baxter County, Oregon County, Missouri, and Ozark County, Missouri.
What is the population of Fulton County?
The Census Bureau estimates Fulton County had 12,492 residents on July 1, 2025, ranking #2,322 of 3,222 county equivalents. That is 20 people per square mile of land.
What is the county seat of Fulton County?
The county seat of Fulton County is Salem.
What cities and towns are in Fulton County?
Fulton County has 7 incorporated places. The most populous five are Salem city, Mammoth Spring city, Cherokee Village city, Viola town, and Ash Flat city; 8,559 residents live outside any incorporated place.
Is Fulton County part of a metropolitan area?
No. Fulton County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Fulton County?
14 ZIP Code Tabulation Areas have land in Fulton 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 Fulton County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.7 times as much land.
How many acres of land are in Fulton County?
The land measurement converts to approximately 395,516 acres. Including water, total area is approximately 397,087 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.