Jackson County area

Jackson County, Kentucky covers 346.5 square miles: 345.2 square miles of land and 1.285 square miles of water. Its county seat is McKee. An estimated 13,325 people lived there in 2025.

Official Census measurements · GEOID 211092026 Gazetteer · retrieved September 27, 2026
Land area345.2 mi²
Water area1.285 mi²
Population (2025)13,325
People per mi²39

County outline

Generalized outline of Jackson 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 Jackson County is located

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

Area breakdown

Land accounts for 99.6% of Jackson County’s measured area and water for 0.4%. Its combined area converts to 897.5 square kilometers or approximately 221,768 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land345.227894.134220,945.3
Water1.2853.328822.4
Total346.512897.462221,767.7

How Jackson County compares

By original Census land area, Jackson County ranks #46 of 120 in Kentucky and #2692 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.128 times the Kentucky county-equivalent median of 306 square miles. It accounts for 0.9% of the combined county land area in the state.

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

Population and density of Jackson County

The Census Bureau estimates that 13,325 people lived in Jackson County on July 1, 2025. That ranks #2,272 of 3,222 county equivalents nationally and #79 of 120 in Kentucky. Since the April 1, 2020 estimates base of 12,963, the population has grown by 362 (+2.8%), compared with +2.2% for Kentucky as a whole.

With 345.2 square miles of land, that is 39 people per square mile (15 per km²), placing Jackson County #1,782 nationally for density and #89 in Kentucky. The median county equivalent has 47 people per square mile; the Kentucky median is 59. Put another way, there are about 17 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate12,96912,97812,99013,14113,29413,325
Change—+9+12+151+153+31

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

1 incorporated place lies at least partly in Jackson County. Together they are home to 822 people (6.2%); the other 12,503 (93.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is McKee city, with 822 residents in the county.

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

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

403364040240434404474048140486

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 4 of them. The largest neighbor is Clay County (469.3 mi²) and the smallest is Owsley County (197.4 mi²). Together with its neighbors, Jackson County forms a block of 2,662 mi² of land, of which it holds 13%.

Map of Jackson County and the 7 county equivalents that border it Rockcastle County, Kentucky: 316.6 mi² landOwsley County, Kentucky: 197.4 mi² landLaurel County, Kentucky: 433.7 mi² landClay County, Kentucky: 469.3 mi² landEstill County, Kentucky: 253.1 mi² landMadison County, Kentucky: 437.9 mi² landLee County, Kentucky: 208.8 mi² land
Jackson 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. JacksonCompare
Clay County469.31.4× largerCompare
Madison County437.91.3× largerCompare
Laurel County433.71.3× largerCompare
Rockcastle County316.61.1× smallerCompare
Estill County253.11.4× smallerCompare
Lee County208.81.7× smallerCompare
Owsley County197.41.7× smallerCompare

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 3 times as much. Kentucky’s county land could hold about 114 areas the size of Jackson County.

Land area: Jackson County and the closest-sized states
Jackson County345.2 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 18.6 miles (29.9 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 Jackson County?

Jackson County has more land than 530 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Jackson County345.2 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 Jackson County at #2,742 nationally by total area, 50 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 0.4%, compared with a national county-equivalent median of 1.2% — 0.8 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 Jackson County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2691Lehigh County, Pennsylvania345.3Compare
#2692Jackson County, Kentucky345.2This county
#2693Caldwell County, Kentucky344.8Compare

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 37.403458, -84.020576. 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: 894,134,806 m²; AWATER: 3,328,472 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 Jackson County?

Jackson County, Kentucky has 345.2 square miles (894.1 km²) of land and 1.285 square miles of water, for a total area of 346.5 square miles. It ranks #2692 of 3,222 U.S. county equivalents by land area.

Is Jackson County the largest county in Kentucky?

No. Jackson County ranks #46 of 120 in Kentucky by land area. The largest is Pike County, with 786.2 square miles of land.

What counties border Jackson County?

Jackson County shares a land border with Rockcastle County, Owsley County, Laurel County, Clay County, Estill County, Madison County, and Lee County.

What is the population of Jackson County?

The Census Bureau estimates Jackson County had 13,325 residents on July 1, 2025, ranking #2,272 of 3,222 county equivalents. That is 39 people per square mile of land.

What is the county seat of Jackson County?

The county seat of Jackson County is McKee.

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?

6 ZIP Code Tabulation Areas have land in Jackson 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 Jackson County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 3 times as much land.

How many acres of land are in Jackson County?

The land measurement converts to approximately 220,945 acres. Including water, total area is approximately 221,768 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