County Maps US

Starke County, Indiana

A county in Indiana, ranked 66 of 92 by population.

CountyFIPS 18149

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

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Population
23,425
+28 (+0.1%) since 2020
Land area
309.1
square miles. A further 1.0% of the total area is water
Population density
75.8
people per square mile, computed rather than published
County seat
Knox
Seat of county government.
Established
1850
175 years ago
Largest city
Knox city
Population 3,601.

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 Starke 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 Starke County, Indiana 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 622 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 Starke County ranks

Position among the 92 counties of Indiana, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn IndianaNationally
Population23,42566th of 921,673rd of 3,144
Land area309.1 sq mi77th of 922,788th of 3,144
Population density75.8 per sq mi53rd of 921,124th of 3,144
Median household income$63,96067th of 921,711th of 3,143

Full data for Starke County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population23,425Vintage 2025 Population Estimates
Population in 202023,397Vintage 2025 Population Estimates
2020 estimates base?23,381Vintage 2025 Population Estimates
Land area309.1 sq mi2025 Gazetteer Files
Water area3.1 sq mi2025 Gazetteer Files
Total area312.2 sq mi2025 Gazetteer Files
Population density?75.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,960American Community Survey 2020-2024 5-Year Estimates
Median home value$157,700American Community Survey 2020-2024 5-Year Estimates
Median age42.1American Community Survey 2020-2024 5-Year Estimates
Households8,983American Community Survey 2020-2024 5-Year Estimates
Housing units11,273American 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
-76
249 births, 325 deaths
Net migration
+95
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 7 areas bordering Starke 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
LaPorte CountyIndiana28 mi111,294
Pulaski CountyIndiana24 mi12,463
Marshall CountyIndiana18 mi46,599
Jasper CountyIndiana4.5 mi33,894
St. Joseph CountyIndiana3.0 mi272,861
Fulton CountyIndianaa single point20,091
Porter CountyIndianaa single point176,049

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

All 92 counties of Indiana

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

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