County Maps US

Lane County, Oregon

A county in Oregon, ranked 4 of 36 by population.

CountyFIPS 41039

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

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Population
381,584
-2,658 (-0.7%) since 2020
Land area
4,554
square miles. A further 3.6% of the total area is water
Population density
83.8
people per square mile, computed rather than published
County seat
Eugene
Seat of county government.
Established
1851
174 years ago
Largest city
Eugene city
Population 178,618.

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 Lane 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 Lane County, Oregon 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 439 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 Lane County ranks

Position among the 36 counties of Oregon, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn OregonNationally
Population381,5844th of 36203rd of 3,144
Land area4,554 sq mi6th of 3697th of 3,144
Population density83.8 per sq mi8th of 361,041st of 3,144
Median household income$71,54417th of 361,082nd of 3,143

Full data for Lane County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population381,584Vintage 2025 Population Estimates
Population in 2020384,242Vintage 2025 Population Estimates
2020 estimates base?382,969Vintage 2025 Population Estimates
Land area4,554 sq mi2025 Gazetteer Files
Water area168.4 sq mi2025 Gazetteer Files
Total area4,722 sq mi2025 Gazetteer Files
Population density?83.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$71,544American Community Survey 2020-2024 5-Year Estimates
Median home value$430,600American Community Survey 2020-2024 5-Year Estimates
Median age40.3American Community Survey 2020-2024 5-Year Estimates
Households160,445American Community Survey 2020-2024 5-Year Estimates
Housing units169,788American 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
-1,368
2,858 births, 4,226 deaths
Net migration
+848
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 Lane 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
Douglas CountyOregon147 mi111,951
Linn CountyOregon91 mi132,843
Deschutes CountyOregon62 mi213,072
Benton CountyOregon30 mi97,728
Lincoln CountyOregon21 mi50,636
Klamath CountyOregon21 mi70,274

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

All 36 counties of Oregon

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

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