County Maps US

Robertson County, Kentucky

The least populous of Kentucky's 120 counties.

CountyFIPS 21201

Within Kentucky
Robertson 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 Olivet, the county seat, located via the 2025 Census Gazetteer.

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Population
2,325
+143 (+6.6%) since 2020
Land area
99.6
square miles. A further 0.5% of the total area is water
Population density
23.3
people per square mile, computed rather than published
County seat
Mount Olivet
Seat of county government.
Established
1867
158 years ago
Largest city
Mount Olivet city
Population 363.

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 Robertson 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 Robertson 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 800 by 756 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 Robertson 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
Population2,325120th of 1203,017th of 3,144
Land area99.6 sq mi119th of 1203,088th of 3,144
Population density23.3 per sq mi117th of 1202,112th of 3,144
Median household income$51,83077th of 1202,672nd of 3,143

Full data for Robertson County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population2,325Vintage 2025 Population Estimates
Population in 20202,182Vintage 2025 Population Estimates
2020 estimates base?2,193Vintage 2025 Population Estimates
Land area99.6 sq mi2025 Gazetteer Files
Water area0.52 sq mi2025 Gazetteer Files
Total area100.1 sq mi2025 Gazetteer Files
Population density?23.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$51,830American Community Survey 2020-2024 5-Year Estimates
Median home value$165,100American Community Survey 2020-2024 5-Year Estimates
Median age38.0American Community Survey 2020-2024 5-Year Estimates
Households810American Community Survey 2020-2024 5-Year Estimates
Housing units1,003American 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
-21
21 births, 42 deaths
Net migration
-6
More people moved out than moved in.

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

The 5 areas bordering Robertson 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
Bracken CountyKentucky21 mi8,511
Harrison CountyKentucky14 mi19,627
Nicholas CountyKentucky11 mi7,949
Mason CountyKentucky9.2 mi16,936
Fleming CountyKentucky5.0 mi15,787

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.