County outline
Where Jackson County is located
Area breakdown
Land accounts for 98.8% of Jackson County’s measured area and water for 1.2%. Its combined area converts to 1,661.3 square kilometers or approximately 410,524 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 633.611 | 1,641.045 | 405,511 |
| Water | 7.832 | 20.285 | 5,012.5 |
| Total | 641.443 | 1,661.33 | 410,523.5 |
How Jackson County compares
By original Census land area, Jackson County ranks #42 of 75 in Arkansas and #1508 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.979 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 Jackson County
The Census Bureau estimates that 16,741 people lived in Jackson County on July 1, 2025. That ranks #2,054 of 3,222 county equivalents nationally and #44 of 75 in Arkansas. Since the April 1, 2020 estimates base of 16,755, the population has declined by 14 (−0.1%), compared with +3.4% for Arkansas as a whole.
With 633.6 square miles of land, that is 26 people per square mile (10 per km²), placing Jackson County #2,107 nationally for density and #39 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 24 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 16,742 | 16,762 | 16,582 | 16,741 | 16,638 | 16,741 |
| Change | — | +20 | −180 | +159 | −103 | +103 |
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 Jackson County
11 incorporated places lie at least partly in Jackson County. Together they are home to 12,696 people (75.8%); the other 4,045 (24.2%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Newport city, with 8,193 residents in the county. Among places with at least 1,000 residents in 2020, Newport city grew fastest since then (+2.3%).
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Newport cityCounty seat | 8,193 | +2.3% | 13.6 |
| Tuckerman city | 1,649 | −3.3% | 2.676 |
| Diaz city | 1,200 | −1.9% | 5.919 |
| Swifton city | 709 | −2.2% | 0.541 |
| Grubbs city | 299 | −1% | 0.566 |
| Campbell Station city | 218 | −4.8% | 1.703 |
| Jacksonport town | 148 | −5.1% | 0.376 |
| Beedeville town | 81 | −2.4% | 1.139 |
| Amagon town | 71 | 0% | 0.111 |
| Tupelo town | 69 | −2.8% | 0.278 |
| Weldon town | 59 | 0% | 0.244 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Jackson County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Jackson 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
12 ZIP Code Tabulation Areas have land in Jackson County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.
720057201472020720757210172112721697234772431724717247372479
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 Jackson County
Jackson County shares a land border with 7 county equivalents. It has more land than 3 of them. The largest neighbor is White County (1,034 mi²) and the smallest is Woodruff County (586 mi²). Together with its neighbors, Jackson County forms a block of 5,686.6 mi² of land, of which it holds 11.1%.
| Bordering county equivalent | Land mi² | Size vs. Jackson | Compare |
|---|---|---|---|
| White County | 1,034 | 1.6× larger | Compare |
| Independence County | 763.7 | 1.2× larger | Compare |
| Poinsett County | 758.3 | 1.2× larger | Compare |
| Craighead County | 707.2 | 1.1× larger | Compare |
| Cross County | 616.3 | about the same | Compare |
| Lawrence County | 587.5 | 1.1× smaller | Compare |
| Woodruff County | 586 | 1.1× smaller | Compare |
How big is Jackson County compared with U.S. states?
Jackson County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.6 times as much. Arkansas’s county land could hold about 82 areas the size of Jackson County.
Another way to picture it: the same land area would fill a square about 25.2 miles (40.5 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 Jackson County?
Jackson County has more land than 1,714 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 Jackson County at #1,606 nationally by total area, 98 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 1.2%, compared with a national county-equivalent median of 1.2%. The two percentages are within 0.1 percentage points of each other. 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 Jackson County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1507 | Franklin County, Alabama | 634 | Compare |
| #1508 | Jackson County, Arkansas | 633.6 | This county |
| #1509 | Lafayette County, Wisconsin | 633.6 | 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 35.596467, -91.223205. 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: 1,641,044,493 m²; AWATER: 20,284,491 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 Jackson County?
Jackson County, Arkansas has 633.6 square miles (1,641 km²) of land and 7.832 square miles of water, for a total area of 641.4 square miles. It ranks #1508 of 3,222 U.S. county equivalents by land area.
Is Jackson County the largest county in Arkansas?
No. Jackson County ranks #42 of 75 in Arkansas by land area. The largest is Union County, with 1,039.1 square miles of land.
What counties border Jackson County?
Jackson County shares a land border with Independence County, Woodruff County, White County, Poinsett County, Craighead County, Lawrence County, and Cross County.
What is the population of Jackson County?
The Census Bureau estimates Jackson County had 16,741 residents on July 1, 2025, ranking #2,054 of 3,222 county equivalents. That is 26 people per square mile of land.
What is the county seat of Jackson County?
The county seat of Jackson County is Newport.
What cities and towns are in Jackson County?
Jackson County has 11 incorporated places. The most populous five are Newport city, Tuckerman city, Diaz city, Swifton city, and Grubbs city; 4,045 residents live outside any incorporated place.
Is Jackson County part of a metropolitan area?
No. Jackson County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Jackson County?
12 ZIP Code Tabulation Areas have land in Jackson 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 Jackson County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.6 times as much land.
How many acres of land are in Jackson County?
The land measurement converts to approximately 405,511 acres. Including water, total area is approximately 410,524 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.