County Maps US

Franklin County, Kentucky

A county in Kentucky, ranked 19 of 120 by population.

CountyFIPS 21073

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

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Population
52,649
+1,049 (+2.0%) since 2020
Land area
207.9
square miles. A further 1.9% of the total area is water
Population density
253
people per square mile, computed rather than published
County seat
Frankfort
Seat of county government.
Established
1794
231 years ago
Largest city
Frankfort city
Population 28,657.

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 Franklin 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 Franklin 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 682 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 Franklin 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
Population52,64919th of 120978th of 3,144
Land area207.9 sq mi97th of 1202,988th of 3,144
Population density253 per sq mi12th of 120496th of 3,144
Median household income$65,29828th of 1201,613th of 3,143

Full data for Franklin County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population52,649Vintage 2025 Population Estimates
Population in 202051,600Vintage 2025 Population Estimates
2020 estimates base?51,541Vintage 2025 Population Estimates
Land area207.9 sq mi2025 Gazetteer Files
Water area4.1 sq mi2025 Gazetteer Files
Total area212 sq mi2025 Gazetteer Files
Population density?253 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$65,298American Community Survey 2020-2024 5-Year Estimates
Median home value$216,600American Community Survey 2020-2024 5-Year Estimates
Median age40.8American Community Survey 2020-2024 5-Year Estimates
Households22,718American Community Survey 2020-2024 5-Year Estimates
Housing units24,163American 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
-129
529 births, 658 deaths
Net migration
+380
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 Franklin 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
Shelby CountyKentucky19 mi51,243
Anderson CountyKentucky11 mi25,225
Scott CountyKentucky11 mi62,262
Woodford CountyKentucky10 mi27,883
Henry CountyKentucky8.8 mi16,447
Owen CountyKentucky8.4 mi11,601

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.