Leslie County area

Leslie County, Kentucky covers 404.4 square miles: 400.9 square miles of land and 3.523 square miles of water. Its county seat is Hyden. An estimated 9,627 people lived there in 2025.

Official Census measurements · GEOID 211312026 Gazetteer · retrieved September 27, 2026
Land area400.9 mi²
Water area3.523 mi²
Population (2025)9,627
People per mi²24

County outline

Generalized outline of Leslie 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 Leslie County is located

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

Area breakdown

Land accounts for 99.1% of Leslie County’s measured area and water for 0.9%. Its combined area converts to 1,047.4 square kilometers or approximately 258,817 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land400.8781,038.269256,561.9
Water3.5239.1252,254.7
Total404.4011,047.394258,816.6

How Leslie County compares

By original Census land area, Leslie County ranks #33 of 120 in Kentucky and #2523 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.31 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 Leslie County

The Census Bureau estimates that 9,627 people lived in Leslie County on July 1, 2025. That ranks #2,512 of 3,222 county equivalents nationally and #99 of 120 in Kentucky. Since the April 1, 2020 estimates base of 10,515, the population has declined by 888 (−8.4%), compared with +2.2% for Kentucky as a whole.

With 400.9 square miles of land, that is 24 people per square mile (9.3 per km²), placing Leslie County #2,172 nationally for density and #116 in Kentucky. The median county equivalent has 47 people per square mile; the Kentucky median is 59. Put another way, there are about 27 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate10,47010,28510,0459,8719,7499,627
Change—−185−240−174−122−122

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 Leslie County

1 incorporated place lies at least partly in Leslie County. Together they are home to 279 people (2.9%); the other 9,348 (97.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Hyden city, with 279 residents in the county.

Metropolitan area

Leslie 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

23 ZIP Code Tabulation Areas have land in Leslie County; 18 of them have most of their land inside the county, and the others mainly cover neighboring areas.

4080340808408104081640827408404084440858408684087440914409724097941714417234174941754417624176441766417754177641777

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 Leslie County

Leslie County shares a land border with 4 county equivalents. It has more land than 2 of them. The largest neighbor is Clay County (469.3 mi²) and the smallest is Perry County (339.7 mi²). Together with its neighbors, Leslie County forms a block of 2,034.7 mi² of land, of which it holds 19.7%.

Map of Leslie County and the 4 county equivalents that border it Perry County, Kentucky: 339.7 mi² landClay County, Kentucky: 469.3 mi² landHarlan County, Kentucky: 465.8 mi² landBell County, Kentucky: 359 mi² land
Leslie 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. LeslieCompare
Clay County469.31.2× largerCompare
Harlan County465.81.2× largerCompare
Bell County3591.1× smallerCompare
Perry County339.71.2× smallerCompare

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

Leslie 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 98 areas the size of Leslie County.

Land area: Leslie County and the closest-sized states
Leslie County400.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 20 miles (32.2 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 Leslie County?

Leslie County has more land than 699 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Leslie County400.9 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 Leslie County at #2,581 nationally by total area, 58 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 0.9%, compared with a national county-equivalent median of 1.2% — 0.3 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 Leslie County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2522Putnam County, Tennessee401.1Compare
#2523Leslie County, Kentucky400.9This county
#2524Macon County, Georgia400.7Compare

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 37.087846, -83.388617. 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: 1,038,270,181 m²; AWATER: 9,125,308 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 Leslie County?

Leslie County, Kentucky has 400.9 square miles (1,038.3 km²) of land and 3.523 square miles of water, for a total area of 404.4 square miles. It ranks #2523 of 3,222 U.S. county equivalents by land area.

Is Leslie County the largest county in Kentucky?

No. Leslie County ranks #33 of 120 in Kentucky by land area. The largest is Pike County, with 786.2 square miles of land.

What counties border Leslie County?

Leslie County shares a land border with Perry County, Clay County, Harlan County, and Bell County.

What is the population of Leslie County?

The Census Bureau estimates Leslie County had 9,627 residents on July 1, 2025, ranking #2,512 of 3,222 county equivalents. That is 24 people per square mile of land.

What is the county seat of Leslie County?

The county seat of Leslie County is Hyden.

Is Leslie County part of a metropolitan area?

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

How many ZIP codes are in Leslie County?

23 ZIP Code Tabulation Areas have land in Leslie County, and 18 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Leslie 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 Leslie County?

The land measurement converts to approximately 256,562 acres. Including water, total area is approximately 258,817 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

Download the complete CSV or JSON dataset