Floyd County area

Floyd County, Kentucky covers 395.7 square miles: 393.3 square miles of land and 2.404 square miles of water. Its county seat is Prestonsburg. An estimated 34,401 people lived there in 2025.

Official Census measurements · GEOID 210712026 Gazetteer · retrieved September 27, 2026
Land area393.3 mi²
Water area2.404 mi²
Population (2025)34,401
People per mi²87

County outline

Generalized outline of Floyd County, Kentucky
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 Floyd County is located

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

Area breakdown

Land accounts for 99.4% of Floyd County’s measured area and water for 0.6%. Its combined area converts to 1,024.9 square kilometers or approximately 253,251 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land393.3011,018.645251,712.6
Water2.4046.2261,538.6
Total395.7051,024.871253,251.2

How Floyd County compares

By original Census land area, Floyd County ranks #34 of 120 in Kentucky and #2560 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.285 times the Kentucky county-equivalent median of 306 square miles. It accounts for 1% of the combined county land area in the state.

See the complete Kentucky ranking · What counts as a county equivalent?

Population and density of Floyd County

The Census Bureau estimates that 34,401 people lived in Floyd County on July 1, 2025. That ranks #1,361 of 3,222 county equivalents nationally and #31 of 120 in Kentucky. Since the April 1, 2020 estimates base of 35,946, the population has declined by 1,545 (−4.3%), compared with +2.2% for Kentucky as a whole.

With 393.3 square miles of land, that is 87 people per square mile (34 per km²), placing Floyd County #1,090 nationally for density and #39 in Kentucky. The median county equivalent has 47 people per square mile; the Kentucky median is 59. Put another way, there are about 7.3 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate35,80535,29235,51835,00134,63034,401
Change—−513+226−517−371−229

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 Floyd County

5 incorporated places lie at least partly in Floyd County. Together they are home to 5,673 people (16.5%); the other 28,728 (83.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Prestonsburg city, with 3,618 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Prestonsburg cityCounty seat3,618−7.5%14.8
Wheelwright city1,048+109.6%1.76
Martin city480−7.5%0.732
Wayland city359−6.8%2.708
Allen city168−7.2%0.179

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

Metropolitan area

Floyd County is an outlying county of the Pikeville, KY Micropolitan Statistical Area. Its 2 county equivalents have 89,122 residents on 1,179.5 square miles of land; Floyd County accounts for 33.3% of the land and 38.6% of the residents. By combined land it ranks #145 of 542 micropolitan areas, and #49 by population.

County equivalentPopulation 2025Land mi²
Pike County54,721786.2
Floyd County34,401393.3

ZIP codes

34 ZIP Code Tabulation Areas have land in Floyd County; 31 of them have most of their land inside the county, and the others mainly cover neighboring areas.

41216412654160141602416034160441605416064160741612416154161641619416214162241630416314163541636416404164241645416474164941650416514165341655416594166041663416664166741669

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 Floyd County

Floyd County shares a land border with 5 county equivalents. It has more land than 4 of them. The largest neighbor is Pike County (786.2 mi²) and the smallest is Martin County (229.6 mi²). Together with its neighbors, Floyd County forms a block of 2,331.1 mi² of land, of which it holds 16.9%.

Map of Floyd County and the 5 county equivalents that border it Pike County, Kentucky: 786.2 mi² landKnott County, Kentucky: 351.5 mi² landJohnson County, Kentucky: 262 mi² landMagoffin County, Kentucky: 308.4 mi² landMartin County, Kentucky: 229.6 mi² land
Floyd 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. FloydCompare
Pike County786.22× largerCompare
Knott County351.51.1× smallerCompare
Magoffin County308.41.3× smallerCompare
Johnson County2621.5× smallerCompare
Martin County229.61.7× smallerCompare

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

Floyd County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.6 times as much. Kentucky’s county land could hold about 100 areas the size of Floyd County.

Land area: Floyd County and the closest-sized states
Floyd County393.3 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 19.8 miles (31.9 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 Floyd County?

Floyd County has more land than 662 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Floyd County393.3 mi²
Kentucky median306 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 Floyd County at #2,620 nationally by total area, 60 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 0.6%, compared with a national county-equivalent median of 1.2% — 0.6 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 Floyd County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2559Bamberg County, South Carolina393.4Compare
#2560Floyd County, Kentucky393.3This county
#2561Cherokee County, South Carolina393Compare

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 37.546952, -82.734863. 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: 1,018,645,942 m²; AWATER: 6,225,824 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 Floyd County?

Floyd County, Kentucky has 393.3 square miles (1,018.6 km²) of land and 2.404 square miles of water, for a total area of 395.7 square miles. It ranks #2560 of 3,222 U.S. county equivalents by land area.

Is Floyd County the largest county in Kentucky?

No. Floyd County ranks #34 of 120 in Kentucky by land area. The largest is Pike County, with 786.2 square miles of land.

What counties border Floyd County?

Floyd County shares a land border with Pike County, Knott County, Johnson County, Magoffin County, and Martin County.

What is the population of Floyd County?

The Census Bureau estimates Floyd County had 34,401 residents on July 1, 2025, ranking #1,361 of 3,222 county equivalents. That is 87 people per square mile of land.

What is the county seat of Floyd County?

The county seat of Floyd County is Prestonsburg.

What cities and towns are in Floyd County?

Floyd County has 5 incorporated places. The most populous are Prestonsburg city, Wheelwright city, Martin city, Wayland city, and Allen city; 28,728 residents live outside any incorporated place.

Is Floyd County part of a metropolitan area?

Yes. It is an outlying county of the Pikeville, KY Micropolitan Statistical Area, which has 2 county equivalents and 89,122 residents.

How many ZIP codes are in Floyd County?

34 ZIP Code Tabulation Areas have land in Floyd County, and 31 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.6 times as much land.

How many acres of land are in Floyd County?

The land measurement converts to approximately 251,713 acres. Including water, total area is approximately 253,251 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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