Montgomery County area

Montgomery County, Kentucky covers 198.8 square miles: 197.4 square miles of land and 1.461 square miles of water. Its county seat is Mount Sterling. An estimated 28,822 people lived there in 2025.

Official Census measurements · GEOID 211732026 Gazetteer · retrieved September 27, 2026
Land area197.4 mi²
Water area1.461 mi²
Population (2025)28,822
People per mi²146

County outline

Generalized outline of Montgomery 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 Montgomery County is located

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

Area breakdown

Land accounts for 99.3% of Montgomery County’s measured area and water for 0.7%. Its combined area converts to 515 square kilometers or approximately 127,256 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land197.377511.204126,321.3
Water1.4613.784935
Total198.838514.988127,256.3

How Montgomery County compares

By original Census land area, Montgomery County ranks #103 of 120 in Kentucky and #2999 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.645 times the Kentucky county-equivalent median of 306 square miles. It accounts for 0.5% of the combined county land area in the state.

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

Population and density of Montgomery County

The Census Bureau estimates that 28,822 people lived in Montgomery County on July 1, 2025. That ranks #1,524 of 3,222 county equivalents nationally and #37 of 120 in Kentucky. Since the April 1, 2020 estimates base of 28,109, the population has grown by 713 (+2.5%), compared with +2.2% for Kentucky as a whole.

With 197.4 square miles of land, that is 146 people per square mile (56 per km²), placing Montgomery County #788 nationally for density and #21 in Kentucky. The median county equivalent has 47 people per square mile; the Kentucky median is 59. Put another way, there are about 4.4 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate28,11528,23128,35128,53428,81328,822
Change—+116+120+183+279+9

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 Montgomery County

3 incorporated places lie at least partly in Montgomery County. Together they are home to 10,774 people (37.4%); the other 18,048 (62.6%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Mount Sterling city, with 7,586 residents in the county. Among places with at least 1,000 residents in 2020, Jeffersonville city grew fastest since then (+3.8%).

Incorporated placePopulation 2025Since 2020Land mi²
Mount Sterling cityCounty seat7,586+0.7%4.495
Jeffersonville city2,137+3.8%3.49
Camargo city1,051+3%2.187

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

Metropolitan area

Montgomery County is a central county of the Mount Sterling, KY Micropolitan Statistical Area. Its 3 county equivalents have 48,428 residents on 678.9 square miles of land; Montgomery County accounts for 29.1% of the land and 59.5% of the residents. By combined land it ranks #319 of 542 micropolitan areas, and #237 by population. It belongs to the Lexington-Fayette--Richmond--Frankfort, KY Combined Statistical Area.

County equivalentPopulation 2025Land mi²
Montgomery County28,822197.4
Bath County13,176278
Menifee County6,430203.5

ZIP codes

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

4033740346403534036040361

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 Montgomery County

Montgomery County shares a land border with 5 county equivalents. It has more land than 1 of them. The largest neighbor is Bourbon County (289.8 mi²) and the smallest is Powell County (179 mi²). Together with its neighbors, Montgomery County forms a block of 1,400.1 mi² of land, of which it holds 14.1%.

Map of Montgomery County and the 5 county equivalents that border it Bath County, Kentucky: 278 mi² landClark County, Kentucky: 252.5 mi² landPowell County, Kentucky: 179 mi² landBourbon County, Kentucky: 289.8 mi² landMenifee County, Kentucky: 203.5 mi² land
Montgomery 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. MontgomeryCompare
Bourbon County289.81.5× largerCompare
Bath County2781.4× largerCompare
Clark County252.51.3× largerCompare
Menifee County203.5about the sameCompare
Powell County1791.1× smallerCompare

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

Montgomery County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 5.2 times as much. Kentucky’s county land could hold about 200 areas the size of Montgomery County.

Land area: Montgomery County and the closest-sized states
Montgomery County197.4 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 14 miles (22.6 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 Montgomery County?

Montgomery County has more land than 223 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Montgomery County197.4 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 Montgomery County at #3,027 nationally by total area, 28 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 0.7%, compared with a national county-equivalent median of 1.2% — 0.4 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 Montgomery County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2998Owsley County, Kentucky197.4Compare
#2999Montgomery County, Kentucky197.4This county
#3000Clinton County, Kentucky197.1Compare

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 38.038109, -83.912416. 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: 511,204,129 m²; AWATER: 3,784,712 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 Montgomery County?

Montgomery County, Kentucky has 197.4 square miles (511.2 km²) of land and 1.461 square miles of water, for a total area of 198.8 square miles. It ranks #2999 of 3,222 U.S. county equivalents by land area.

Is Montgomery County the largest county in Kentucky?

No. Montgomery County ranks #103 of 120 in Kentucky by land area. The largest is Pike County, with 786.2 square miles of land.

What counties border Montgomery County?

Montgomery County shares a land border with Bath County, Clark County, Powell County, Bourbon County, and Menifee County.

What is the population of Montgomery County?

The Census Bureau estimates Montgomery County had 28,822 residents on July 1, 2025, ranking #1,524 of 3,222 county equivalents. That is 146 people per square mile of land.

What is the county seat of Montgomery County?

The county seat of Montgomery County is Mount Sterling.

What cities and towns are in Montgomery County?

Montgomery County has 3 incorporated places. The most populous are Mount Sterling city, Jeffersonville city, and Camargo city; 18,048 residents live outside any incorporated place.

Is Montgomery County part of a metropolitan area?

Yes. It is a central county of the Mount Sterling, KY Micropolitan Statistical Area, which has 3 county equivalents and 48,428 residents.

How many ZIP codes are in Montgomery County?

5 ZIP Code Tabulation Areas have land in Montgomery 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 Montgomery County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 5.2 times as much land.

How many acres of land are in Montgomery County?

The land measurement converts to approximately 126,321 acres. Including water, total area is approximately 127,256 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