County Maps US

Bureau County, Illinois

A county in Illinois, ranked 46 of 102 by population.

CountyFIPS 17011

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

Download SVGFull Illinois map downloads

Population
32,510
-705 (-2.1%) since 2020
Land area
869.1
square miles. A further 0.5% of the total area is water
Population density
37.4
people per square mile, computed rather than published
County seat
Princeton
Seat of county government.
Established
1837
188 years ago
Largest city
Princeton city
Population 7,674.

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 Bureau 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 Bureau 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 800 by 681 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 Bureau 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
Population32,51046th of 1021,386th of 3,144
Land area869.1 sq mi8th of 102941st of 3,144
Population density37.4 per sq mi64th of 1021,737th of 3,144
Median household income$69,25744th of 1021,252nd of 3,143

Full data for Bureau County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population32,510Vintage 2025 Population Estimates
Population in 202033,215Vintage 2025 Population Estimates
2020 estimates base?33,269Vintage 2025 Population Estimates
Land area869.1 sq mi2025 Gazetteer Files
Water area4.4 sq mi2025 Gazetteer Files
Total area873.5 sq mi2025 Gazetteer Files
Population density?37.4 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$69,257American Community Survey 2020-2024 5-Year Estimates
Median home value$126,900American Community Survey 2020-2024 5-Year Estimates
Median age44.1American Community Survey 2020-2024 5-Year Estimates
Households14,028American Community Survey 2020-2024 5-Year Estimates
Housing units15,630American 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
-112
302 births, 414 deaths
Net migration
+102
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 Bureau 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
Putnam CountyIllinois26 mi5,619
Henry CountyIllinois24 mi48,095
Lee CountyIllinois24 mi32,914
LaSalle CountyIllinois19 mi107,773
Stark CountyIllinois17 mi5,319
Whiteside CountyIllinois12 mi54,121
Marshall CountyIllinois9.0 mi11,473

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.