County Maps US

Orange County, Indiana

A county in Indiana, ranked 74 of 92 by population.

CountyFIPS 18117

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

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Population
19,834
-11 (-0.1%) since 2020
Land area
398.4
square miles. A further 2.4% of the total area is water
Population density
49.8
people per square mile, computed rather than published
County seat
Paoli
Seat of county government.
Established
1816
209 years ago
Largest city
Paoli town
Population 3,596.

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 Orange 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 Orange 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 798 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 Orange 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
Population19,83474th of 921,834th of 3,144
Land area398.4 sq mi45th of 922,534th of 3,144
Population density49.8 per sq mi78th of 921,478th of 3,144
Median household income$65,87358th of 921,555th of 3,143

Full data for Orange County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population19,834Vintage 2025 Population Estimates
Population in 202019,845Vintage 2025 Population Estimates
2020 estimates base?19,865Vintage 2025 Population Estimates
Land area398.4 sq mi2025 Gazetteer Files
Water area9.8 sq mi2025 Gazetteer Files
Total area408.2 sq mi2025 Gazetteer Files
Population density?49.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$65,873American Community Survey 2020-2024 5-Year Estimates
Median home value$158,700American Community Survey 2020-2024 5-Year Estimates
Median age42.7American Community Survey 2020-2024 5-Year Estimates
Households7,970American Community Survey 2020-2024 5-Year Estimates
Housing units9,101American 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
-65
208 births, 273 deaths
Net migration
+100
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 5 areas bordering Orange 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
Crawford CountyIndiana22 mi10,509
Lawrence CountyIndiana20 mi45,568
Washington CountyIndiana18 mi28,383
Martin CountyIndiana11 mi9,856
Dubois CountyIndiana9.1 mi44,016

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.