Hamblen County area

Hamblen County, Tennessee covers 175.8 square miles: 161.2 square miles of land and 14.6 square miles of water. Its county seat is Morristown. An estimated 68,843 people lived there in 2025.

Official Census measurements · GEOID 470632026 Gazetteer · retrieved September 27, 2026
Land area161.2 mi²
Water area14.6 mi²
Population (2025)68,843
People per mi²427

County outline

Generalized outline of Hamblen County, Tennessee
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 Hamblen County is located

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

Area breakdown

Land accounts for 91.7% of Hamblen County’s measured area and water for 8.3%. Its combined area converts to 455.3 square kilometers or approximately 112,514 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land161.188417.475103,160.3
Water14.61537.8539,353.6
Total175.803455.328112,513.9

How Hamblen County compares

By original Census land area, Hamblen County ranks #93 of 95 in Tennessee and #3049 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.37 times the Tennessee county-equivalent median of 436.1 square miles. It accounts for 0.4% of the combined county land area in the state.

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

Population and density of Hamblen County

The Census Bureau estimates that 68,843 people lived in Hamblen County on July 1, 2025. That ranks #812 of 3,222 county equivalents nationally and #21 of 95 in Tennessee. Since the April 1, 2020 estimates base of 64,507, the population has grown by 4,336 (+6.7%), compared with +5.8% for Tennessee as a whole.

With 161.2 square miles of land, that is 427 people per square mile (165 per km²), placing Hamblen County #389 nationally for density and #9 in Tennessee. The median county equivalent has 47 people per square mile; the Tennessee median is 76. Put another way, there are about 1.5 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate64,55364,39065,30366,58268,17768,843
Change—−163+913+1,279+1,595+666

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 Hamblen County

2 incorporated places lie at least partly in Hamblen County. Together they are home to 33,513 people (48.7%); the other 35,330 (51.3%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Morristown city, with 33,513 residents in the county (the city extends into 1 other county).

Incorporated placePopulation 2025Since 2020Land mi²
Morristown cityCounty seat · Also in 1 other county33,513+10.3%28.3
White Pine townAlso in 1 other county0—2.872

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

Metropolitan area

Hamblen County is a central county of the Morristown, TN Metropolitan Statistical Area. Its 2 county equivalents have 128,867 residents on 436.3 square miles of land; Hamblen County accounts for 36.9% of the land and 53.4% of the residents. By combined land it ranks #370 of 393 metropolitan areas, and #322 by population. It belongs to the Knoxville-Morristown-Sevierville, TN Combined Statistical Area.

County equivalentPopulation 2025Land mi²
Hamblen County68,843161.2
Jefferson County60,024275.2

ZIP codes

7 ZIP Code Tabulation Areas have land in Hamblen County; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.

37711378133781437860378773789037891

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 Hamblen County

Hamblen County shares a land border with 5 county equivalents. Each of them has more land than Hamblen County. The largest neighbor is Greene County (622.2 mi²) and the smallest is Jefferson County (275.2 mi²). Together with its neighbors, Hamblen County forms a block of 2,262.3 mi² of land, of which it holds 7.1%.

Map of Hamblen County and the 5 county equivalents that border it Hawkins County, Tennessee: 487.1 mi² landGrainger County, Tennessee: 280.6 mi² landJefferson County, Tennessee: 275.2 mi² landCocke County, Tennessee: 436.1 mi² landGreene County, Tennessee: 622.2 mi² land
Hamblen 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. HamblenCompare
Greene County622.23.9× largerCompare
Hawkins County487.13× largerCompare
Cocke County436.12.7× largerCompare
Grainger County280.61.7× largerCompare
Jefferson County275.21.7× largerCompare

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

Hamblen County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 6.4 times as much. Tennessee’s county land could hold about 256 areas the size of Hamblen County.

Land area: Hamblen County and the closest-sized states
Hamblen County161.2 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 12.7 miles (20.4 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 Hamblen County?

Hamblen County has more land than 173 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Hamblen County161.2 mi²
Tennessee median436.1 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 Hamblen County at #3,056 nationally by total area, 7 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 8.3%, compared with a national county-equivalent median of 1.2% — 7.1 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 Hamblen County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#3048Union County, Indiana161.2Compare
#3049Hamblen County, Tennessee161.2This county
#3050Barrow County, Georgia161.1Compare

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 36.218397, -83.266071. 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: 417,476,213 m²; AWATER: 37,852,328 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 Hamblen County?

Hamblen County, Tennessee has 161.2 square miles (417.5 km²) of land and 14.6 square miles of water, for a total area of 175.8 square miles. It ranks #3049 of 3,222 U.S. county equivalents by land area.

Is Hamblen County the largest county in Tennessee?

No. Hamblen County ranks #93 of 95 in Tennessee by land area. The largest is Shelby County, with 752.8 square miles of land.

What counties border Hamblen County?

Hamblen County shares a land border with Hawkins County, Grainger County, Jefferson County, Cocke County, and Greene County.

What is the population of Hamblen County?

The Census Bureau estimates Hamblen County had 68,843 residents on July 1, 2025, ranking #812 of 3,222 county equivalents. That is 427 people per square mile of land.

What is the county seat of Hamblen County?

The county seat of Hamblen County is Morristown.

What cities and towns are in Hamblen County?

Hamblen County has 2 incorporated places. The most populous are Morristown city and White Pine town; 35,330 residents live outside any incorporated place.

Is Hamblen County part of a metropolitan area?

Yes. It is a central county of the Morristown, TN Metropolitan Statistical Area, which has 2 county equivalents and 128,867 residents.

How many ZIP codes are in Hamblen County?

7 ZIP Code Tabulation Areas have land in Hamblen County, and 4 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 6.4 times as much land.

How many acres of land are in Hamblen County?

The land measurement converts to approximately 103,160 acres. Including water, total area is approximately 112,514 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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