County Maps US

Montgomery County, Kentucky

A county in Kentucky, ranked 37 of 120 by population.

CountyFIPS 21173

Within Kentucky
Montgomery County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Mount Sterling, the county seat, located via the 2025 Census Gazetteer.

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Population
28,822
+707 (+2.5%) since 2020
Land area
197.4
square miles. A further 0.7% of the total area is water
Population density
146
people per square mile, computed rather than published
County seat
Mount Sterling
Seat of county government.
Established
1796
229 years ago
Largest city
Mount Sterling city
Population 7,586.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Montgomery County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Montgomery County, Kentucky from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 712 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Montgomery County ranks

Position among the 120 counties of Kentucky, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn KentuckyNationally
Population28,82237th of 1201,483rd of 3,144
Land area197.4 sq mi103rd of 1202,999th of 3,144
Population density146 per sq mi21st of 120710th of 3,144
Median household income$56,39664th of 1202,384th of 3,143

Full data for Montgomery County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population28,822Vintage 2025 Population Estimates
Population in 202028,115Vintage 2025 Population Estimates
2020 estimates base?28,109Vintage 2025 Population Estimates
Land area197.4 sq mi2025 Gazetteer Files
Water area1.5 sq mi2025 Gazetteer Files
Total area198.8 sq mi2025 Gazetteer Files
Population density?146 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$56,396American Community Survey 2020-2024 5-Year Estimates
Median home value$172,200American Community Survey 2020-2024 5-Year Estimates
Median age40.4American Community Survey 2020-2024 5-Year Estimates
Households11,005American Community Survey 2020-2024 5-Year Estimates
Housing units12,231American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-6
340 births, 346 deaths
Net migration
+13
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Montgomery County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Bath CountyKentucky25 mi13,176
Clark CountyKentucky14 mi37,888
Powell CountyKentucky14 mi12,812
Menifee CountyKentucky7.9 mi6,430
Bourbon CountyKentucky7.9 mi20,243
Nicholas CountyKentuckya single point7,949

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 120 counties of Kentucky

Open the interactive Kentucky county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.