Hickman County area

Hickman County, Kentucky covers 253 square miles: 242.3 square miles of land and 10.7 square miles of water. Its county seat is Clinton. An estimated 4,372 people lived there in 2025.

Official Census measurements · GEOID 211052026 Gazetteer · retrieved September 27, 2026
Land area242.3 mi²
Water area10.7 mi²
Population (2025)4,372
People per mi²18

County outline

Generalized outline of Hickman 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 Hickman County is located

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

Area breakdown

Land accounts for 95.8% of Hickman County’s measured area and water for 4.2%. Its combined area converts to 655.4 square kilometers or approximately 161,946 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land242.331627.634155,091.8
Water10.70927.7366,853.8
Total253.04655.371161,945.6

How Hickman County compares

By original Census land area, Hickman County ranks #88 of 120 in Kentucky and #2925 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.792 times the Kentucky county-equivalent median of 306 square miles. It accounts for 0.6% of the combined county land area in the state.

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

Population and density of Hickman County

The Census Bureau estimates that 4,372 people lived in Hickman County on July 1, 2025. That ranks #2,939 of 3,222 county equivalents nationally and #118 of 120 in Kentucky. Since the April 1, 2020 estimates base of 4,520, the population has declined by 148 (−3.3%), compared with +2.2% for Kentucky as a whole.

With 242.3 square miles of land, that is 18 people per square mile (7 per km²), placing Hickman County #2,384 nationally for density and #120 in Kentucky. The median county equivalent has 47 people per square mile; the Kentucky median is 59. Put another way, there are about 35 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate4,5284,4264,4134,4254,3904,372
Change—−102−13+12−35−18

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 Hickman County

2 incorporated places lie at least partly in Hickman County. Together they are home to 1,321 people (30.2%); the other 3,051 (69.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Clinton city, with 1,177 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Clinton cityCounty seat1,177−3%1.613
Columbus city144−3.4%0.318

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

Metropolitan area

Hickman 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

7 ZIP Code Tabulation Areas have land in Hickman County; 2 of them have most of their land inside the county, and the others mainly cover neighboring areas.

42021420314203242039420414208542088

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 Hickman County

Hickman County shares a land border with 6 county equivalents, including 3 in Missouri and Tennessee. It has more land than 2 of them. The largest neighbor is Weakley County (580.4 mi²) and the smallest is Carlisle County (189.5 mi²). Together with its neighbors, Hickman County forms a block of 2,726.3 mi² of land, of which it holds 8.9%.

Map of Hickman County and the 6 county equivalents that border it Fulton County, Kentucky: 205.9 mi² landGraves County, Kentucky: 551.8 mi² landCarlisle County, Kentucky: 189.5 mi² landMississippi County, Missouri: 411.6 mi² landWeakley County, Tennessee: 580.4 mi² landObion County, Tennessee: 544.9 mi² land
Hickman 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. HickmanCompare
Weakley CountyTennessee580.42.4× largerCompare
Graves County551.82.3× largerCompare
Obion CountyTennessee544.92.2× largerCompare
Mississippi CountyMissouri411.61.7× largerCompare
Fulton County205.91.2× smallerCompare
Carlisle County189.51.3× smallerCompare

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

Hickman County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 4.3 times as much. Kentucky’s county land could hold about 163 areas the size of Hickman County.

Land area: Hickman County and the closest-sized states
Hickman County242.3 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 15.6 miles (25.1 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 Hickman County?

Hickman County has more land than 297 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Hickman County242.3 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 Hickman County at #2,943 nationally by total area, 18 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 4.2%, compared with a national county-equivalent median of 1.2% — 3.1 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 Hickman County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2924Candler County, Georgia243.1Compare
#2925Hickman County, Kentucky242.3This county
#2926Milwaukee County, Wisconsin241.5Compare

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 36.675896, -88.972084. 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: 627,634,135 m²; AWATER: 27,735,814 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 Hickman County?

Hickman County, Kentucky has 242.3 square miles (627.6 km²) of land and 10.7 square miles of water, for a total area of 253 square miles. It ranks #2925 of 3,222 U.S. county equivalents by land area.

Is Hickman County the largest county in Kentucky?

No. Hickman County ranks #88 of 120 in Kentucky by land area. The largest is Pike County, with 786.2 square miles of land.

What counties border Hickman County?

Hickman County shares a land border with Fulton County, Graves County, Carlisle County, Mississippi County, Missouri, Weakley County, Tennessee, and Obion County, Tennessee.

What is the population of Hickman County?

The Census Bureau estimates Hickman County had 4,372 residents on July 1, 2025, ranking #2,939 of 3,222 county equivalents. That is 18 people per square mile of land.

What is the county seat of Hickman County?

The county seat of Hickman County is Clinton.

What cities and towns are in Hickman County?

Hickman County has 2 incorporated places. The most populous are Clinton city and Columbus city; 3,051 residents live outside any incorporated place.

Is Hickman County part of a metropolitan area?

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

How many ZIP codes are in Hickman County?

7 ZIP Code Tabulation Areas have land in Hickman County, and 2 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 4.3 times as much land.

How many acres of land are in Hickman County?

The land measurement converts to approximately 155,092 acres. Including water, total area is approximately 161,946 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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