County Maps US

Fulton County, Indiana

A county in Indiana, ranked 72 of 92 by population.

CountyFIPS 18049

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

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Population
20,091
-385 (-1.9%) since 2020
Land area
368.4
square miles. A further 0.8% of the total area is water
Population density
54.5
people per square mile, computed rather than published
County seat
Rochester
Seat of county government.
Established
1836
189 years ago
Largest city
Rochester city
Population 6,132.

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 Fulton 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 Fulton 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 563 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 Fulton 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
Population20,09172nd of 921,822nd of 3,144
Land area368.4 sq mi65th of 922,635th of 3,144
Population density54.5 per sq mi72nd of 921,391st of 3,144
Median household income$61,36075th of 921,947th of 3,143

Full data for Fulton County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population20,091Vintage 2025 Population Estimates
Population in 202020,476Vintage 2025 Population Estimates
2020 estimates base?20,484Vintage 2025 Population Estimates
Land area368.4 sq mi2025 Gazetteer Files
Water area2.9 sq mi2025 Gazetteer Files
Total area371.3 sq mi2025 Gazetteer Files
Population density?54.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$61,360American Community Survey 2020-2024 5-Year Estimates
Median home value$156,500American Community Survey 2020-2024 5-Year Estimates
Median age42.3American Community Survey 2020-2024 5-Year Estimates
Households8,051American Community Survey 2020-2024 5-Year Estimates
Housing units9,584American 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
-70
214 births, 284 deaths
Net migration
+128
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 Fulton 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
Marshall CountyIndiana20 mi46,599
Pulaski CountyIndiana18 mi12,463
Miami CountyIndiana18 mi34,487
Kosciusko CountyIndiana16 mi80,892
Cass CountyIndiana16 mi37,836
Wabash CountyIndiana3.1 mi30,713
Starke CountyIndianaa single point23,425

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.