County Maps US

Lawrence County, Illinois

A county in Illinois, ranked 74 of 102 by population.

CountyFIPS 17101

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

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Population
13,790
-1,487 (-9.7%) since 2020
Land area
372.2
square miles. A further 0.5% of the total area is water
Population density
37.1
people per square mile, computed rather than published
County seat
Lawrenceville
Seat of county government.
Established
1821
204 years ago
Largest city
Lawrenceville city
Population 4,356.

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 Lawrence 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 Lawrence 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 710 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 Lawrence 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
Population13,79074th of 1022,175th of 3,144
Land area372.2 sq mi80th of 1022,627th of 3,144
Population density37.1 per sq mi65th of 1021,746th of 3,144
Median household income$55,32495th of 1022,455th of 3,143

Full data for Lawrence County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population13,790Vintage 2025 Population Estimates
Population in 202015,277Vintage 2025 Population Estimates
2020 estimates base?15,301Vintage 2025 Population Estimates
Land area372.2 sq mi2025 Gazetteer Files
Water area2.0 sq mi2025 Gazetteer Files
Total area374.1 sq mi2025 Gazetteer Files
Population density?37.1 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$55,324American Community Survey 2020-2024 5-Year Estimates
Median home value$99,100American Community Survey 2020-2024 5-Year Estimates
Median age40.7American Community Survey 2020-2024 5-Year Estimates
Households5,472American Community Survey 2020-2024 5-Year Estimates
Housing units6,407American 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
-77
99 births, 176 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 4 areas bordering Lawrence 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
Knox CountyIndiana30 mi35,652
Crawford CountyIllinois21 mi18,648
Richland CountyIllinois19 mi15,219
Wabash CountyIllinois14 mi10,907

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.