Population

Lane County is the fourth most populous county (following Multnomah, Washington and Clackamas counties). Since the 1980s, population in the Eugene, Cascades & Coast region has been growing at a slow, steady rate. Eugene is the designated county seat.

In 2008, Portland State University conducted a Population Forecast for Lane County 2008-2035. This report is full of statistical information about Lane County and the Eugene - Springfield populous area.

2021 Eugene, Cascades & Coast Population Estimates

Oregon

4,266,560

Lane County

382,647

1,322

10,792

5,684

1,454

175,626

9,600

1,211

62,352

Source: 2021 Population Research Center, Portland State University

*McKenzie River is unincorporated. Source: 2018 Rural Development Initiative.