County Maps US

Champaign County, Illinois

A county in Illinois, ranked 10 of 102 by population.

CountyFIPS 17019

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

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Population
209,972
+3,750 (+1.8%) since 2020
Land area
996.1
square miles. A further 0.2% of the total area is water
Population density
211
people per square mile, computed rather than published
County seat
Urbana
Seat of county government.
Established
1833
192 years ago
Largest city
Champaign city
Population 91,195.

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 Champaign 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 Champaign County, Illinois 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 646 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 Champaign County ranks

Position among the 102 counties of Illinois, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn IllinoisNationally
Population209,97210th of 102344th of 3,144
Land area996.1 sq mi5th of 102688th of 3,144
Population density211 per sq mi14th of 102544th of 3,144
Median household income$63,68365th of 1021,735th of 3,143

Full data for Champaign County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population209,972Vintage 2025 Population Estimates
Population in 2020206,222Vintage 2025 Population Estimates
2020 estimates base?206,445Vintage 2025 Population Estimates
Land area996.1 sq mi2025 Gazetteer Files
Water area2.4 sq mi2025 Gazetteer Files
Total area998.5 sq mi2025 Gazetteer Files
Population density?211 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,683American Community Survey 2020-2024 5-Year Estimates
Median home value$211,500American Community Survey 2020-2024 5-Year Estimates
Median age30.7American Community Survey 2020-2024 5-Year Estimates
Households85,472American Community Survey 2020-2024 5-Year Estimates
Housing units95,115American 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
+470
1,925 births, 1,455 deaths
Net migration
+331
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 Champaign 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
Vermilion CountyIllinois37 mi71,259
Piatt CountyIllinois28 mi16,791
Douglas CountyIllinois28 mi19,880
Ford CountyIllinois28 mi13,216
McLean CountyIllinois8.1 mi171,419
Edgar CountyIllinoisa single point16,323

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

All 102 counties of Illinois

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

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