County outline
Where Pemiscot County is located
Area breakdown
Land accounts for 95.9% of Pemiscot County’s measured area and water for 4.1%. Its combined area converts to 1,329.8 square kilometers or approximately 328,590 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 492.605 | 1,275.841 | 315,267.2 |
| Water | 20.817 | 53.916 | 13,322.9 |
| Total | 513.422 | 1,329.757 | 328,590.1 |
How Pemiscot County compares
By original Census land area, Pemiscot County ranks #85 of 115 in Missouri and #2110 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.832 times the Missouri county-equivalent median of 592 square miles. It accounts for 0.7% of the combined county land area in the state.
See the complete Missouri ranking · What counts as a county equivalent?
Population and density of Pemiscot County
The Census Bureau estimates that 14,465 people lived in Pemiscot County on July 1, 2025. That ranks #2,191 of 3,222 county equivalents nationally and #72 of 115 in Missouri. Since the April 1, 2020 estimates base of 15,658, the population has declined by 1,193 (−7.6%), compared with +1.9% for Missouri as a whole.
With 492.6 square miles of land, that is 29 people per square mile (11 per km²), placing Pemiscot County #2,024 nationally for density and #60 in Missouri. The median county equivalent has 47 people per square mile; the Missouri median is 31. Put another way, there are about 22 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 15,583 | 15,239 | 14,864 | 14,661 | 14,479 | 14,465 |
| Change | — | −344 | −375 | −203 | −182 | −14 |
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 Pemiscot County
11 incorporated places lie at least partly in Pemiscot County. Together they are home to 10,641 people (73.6%); the other 3,824 (26.4%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Caruthersville city, with 5,211 residents in the county.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Caruthersville cityCounty seat | 5,211 | −6.3% | 5.158 |
| Hayti city | 2,277 | −8.7% | 2.296 |
| Steele city | 1,692 | −8.5% | 2.162 |
| Hayti Heights city | 466 | −8.3% | 0.981 |
| Cooter city | 319 | −7.8% | 0.295 |
| Wardell town | 283 | −8.4% | 0.282 |
| Holland town | 181 | −7.2% | 0.167 |
| Pascola village | 82 | −6.8% | 0.16 |
| Homestown city | 67 | −8.2% | 0.123 |
| Bragg City town | 63 | −8.7% | 0.204 |
| Portageville cityAlso in 1 other county | 0 | — | 2.04 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Pemiscot County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Pemiscot 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 Pemiscot County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.
6382663827638306383963840638486384963851638526385363857638736387763879
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 Pemiscot County
Pemiscot County shares a land border with 5 county equivalents, including 3 in Tennessee and Arkansas. It has more land than 1 of them. The largest neighbor is Mississippi County (902.1 mi²) and the smallest is Lake County (165.8 mi²). Together with its neighbors, Pemiscot County forms a block of 3,289.6 mi² of land, of which it holds 15%.
| Bordering county equivalent | Land mi² | Size vs. Pemiscot | Compare |
|---|---|---|---|
| Mississippi CountyArkansas | 902.1 | 1.8× larger | Compare |
| New Madrid County | 674.9 | 1.4× larger | Compare |
| Dunklin County | 541.9 | 1.1× larger | Compare |
| Dyer CountyTennessee | 512.4 | about the same | Compare |
| Lake CountyTennessee | 165.8 | 3× smaller | Compare |
How big is Pemiscot County compared with U.S. states?
Pemiscot County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.1 times as much. Missouri’s county land could hold about 140 areas the size of Pemiscot County.
Another way to picture it: the same land area would fill a square about 22.2 miles (35.7 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 Pemiscot County?
Pemiscot County has more land than 1,112 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 Pemiscot County at #2,126 nationally by total area, 16 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 4.1%, compared with a national county-equivalent median of 1.2% — 2.9 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 Pemiscot County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2109 | Genesee County, New York | 493 | Compare |
| #2110 | Pemiscot County, Missouri | 492.6 | This county |
| #2111 | Essex County, Massachusetts | 492.5 | 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 36.209916, -89.785942. 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: 1,275,841,036 m²; AWATER: 53,915,404 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 Pemiscot County?
Pemiscot County, Missouri has 492.6 square miles (1,275.8 km²) of land and 20.8 square miles of water, for a total area of 513.4 square miles. It ranks #2110 of 3,222 U.S. county equivalents by land area.
Is Pemiscot County the largest county in Missouri?
No. Pemiscot County ranks #85 of 115 in Missouri by land area. The largest is Texas County, with 1,177.3 square miles of land.
What counties border Pemiscot County?
Pemiscot County shares a land border with Dunklin County, New Madrid County, Lake County, Tennessee, Dyer County, Tennessee, and Mississippi County, Arkansas.
What is the population of Pemiscot County?
The Census Bureau estimates Pemiscot County had 14,465 residents on July 1, 2025, ranking #2,191 of 3,222 county equivalents. That is 29 people per square mile of land.
What is the county seat of Pemiscot County?
The county seat of Pemiscot County is Caruthersville.
What cities and towns are in Pemiscot County?
Pemiscot County has 11 incorporated places. The most populous five are Caruthersville city, Hayti city, Steele city, Hayti Heights city, and Cooter city; 3,824 residents live outside any incorporated place.
Is Pemiscot County part of a metropolitan area?
No. Pemiscot County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Pemiscot County?
14 ZIP Code Tabulation Areas have land in Pemiscot 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 Pemiscot County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.1 times as much land.
How many acres of land are in Pemiscot County?
The land measurement converts to approximately 315,267 acres. Including water, total area is approximately 328,590 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.