Lafayette County area

Lafayette County, Arkansas covers 546.1 square miles: 529.5 square miles of land and 16.6 square miles of water. Its county seat is Lewisville. An estimated 5,888 people lived there in 2025.

Official Census measurements · GEOID 050732026 Gazetteer · retrieved September 27, 2026
Land area529.5 mi²
Water area16.6 mi²
Population (2025)5,888
People per mi²11

County outline

Generalized outline of Lafayette County, Arkansas
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Lafayette County is located

Lafayette County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 97% of Lafayette County’s measured area and water for 3%. Its combined area converts to 1,414.4 square kilometers or approximately 349,494 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land529.4721,371.326338,862.1
Water16.61343.02710,632.3
Total546.0851,414.354349,494.4

How Lafayette County compares

By original Census land area, Lafayette County ranks #75 of 75 in Arkansas and #1979 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.818 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 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 Lafayette County

The Census Bureau estimates that 5,888 people lived in Lafayette County on July 1, 2025. That ranks #2,814 of 3,222 county equivalents nationally and #73 of 75 in Arkansas. Since the April 1, 2020 estimates base of 6,306, the population has declined by 418 (−6.6%), compared with +3.4% for Arkansas as a whole.

With 529.5 square miles of land, that is 11 people per square mile (4.3 per km²), placing Lafayette County #2,605 nationally for density and #69 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 58 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate6,2946,1526,1206,0806,0565,888
Change—−142−32−40−24−168

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 Lafayette County

4 incorporated places lie at least partly in Lafayette County. Together they are home to 2,556 people (43.4%); the other 3,332 (56.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Stamps city, with 1,181 residents in the county. The county seat, Lewisville city, has 845 residents.

Incorporated placePopulation 2025Since 2020Land mi²
Stamps city1,181−6.2%3.052
Lewisville cityCounty seat845−7%2.148
Bradley city380−6.9%0.913
Buckner city150−6.3%1.176

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Lafayette County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Lafayette 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

6 ZIP Code Tabulation Areas have land in Lafayette County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

718017182671827718457186071861

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 Lafayette County

Lafayette County shares a land border with 6 county equivalents, including 2 in Louisiana. Each of them has more land than Lafayette County. The largest neighbor is Bossier Parish (839.6 mi²) and the smallest is Webster Parish (593.3 mi²). Together with its neighbors, Lafayette County forms a block of 4,697.5 mi² of land, of which it holds 11.3%.

Map of Lafayette County and the 6 county equivalents that border it Miller County, Arkansas: 624.1 mi² landColumbia County, Arkansas: 766.1 mi² landBossier Parish, Louisiana: 839.6 mi² landHempstead County, Arkansas: 727.2 mi² landNevada County, Arkansas: 617.8 mi² landWebster Parish, Louisiana: 593.3 mi² land
Lafayette County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. LafayetteCompare
Bossier ParishLouisiana839.61.6× largerCompare
Columbia County766.11.4× largerCompare
Hempstead County727.21.4× largerCompare
Miller County624.11.2× largerCompare
Nevada County617.81.2× largerCompare
Webster ParishLouisiana593.31.1× largerCompare

How big is Lafayette County compared with U.S. states?

Lafayette 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 times as much. Arkansas’s county land could hold about 98 areas the size of Lafayette County.

Land area: Lafayette County and the closest-sized states
Lafayette County529.5 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 23 miles (37 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 Lafayette County?

Lafayette County has more land than 1,243 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Lafayette County529.5 mi²
Arkansas median647.2 mi²
National median604.5 mi²

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 Lafayette County at #2,017 nationally by total area, 38 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 3%, compared with a national county-equivalent median of 1.2% — 1.9 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 Lafayette County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1978Caldwell Parish, Louisiana529.8Compare
#1979Lafayette County, Arkansas529.5This county
#1980Sumner County, Tennessee529.5Compare

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 33.240629, -93.611514. 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: 1,371,327,393 m²; AWATER: 43,028,607 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Lafayette County?

Lafayette County, Arkansas has 529.5 square miles (1,371.3 km²) of land and 16.6 square miles of water, for a total area of 546.1 square miles. It ranks #1979 of 3,222 U.S. county equivalents by land area.

Is Lafayette County the largest county in Arkansas?

No. Lafayette County ranks #75 of 75 in Arkansas by land area. The largest is Union County, with 1,039.1 square miles of land.

What counties border Lafayette County?

Lafayette County shares a land border with Miller County, Columbia County, Bossier Parish, Louisiana, Hempstead County, Nevada County, and Webster Parish, Louisiana.

What is the population of Lafayette County?

The Census Bureau estimates Lafayette County had 5,888 residents on July 1, 2025, ranking #2,814 of 3,222 county equivalents. That is 11 people per square mile of land.

What is the county seat of Lafayette County?

The county seat of Lafayette County is Lewisville.

What cities and towns are in Lafayette County?

Lafayette County has 4 incorporated places. The most populous are Stamps city, Lewisville city, Bradley city, and Buckner city; 3,332 residents live outside any incorporated place.

Is Lafayette County part of a metropolitan area?

No. Lafayette County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Lafayette County?

6 ZIP Code Tabulation Areas have land in Lafayette County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Lafayette County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 2 times as much land.

How many acres of land are in Lafayette County?

The land measurement converts to approximately 338,862 acres. Including water, total area is approximately 349,494 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.

Cite this county

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