Lake Oswego city, Oregon Demographics & Population 2026

Population Overview

Lake Oswego city is a mid-sized community located in Oregon. The total population is 40,367. It ranks as the 14th most populous out of 419 cities and towns in Oregon.

Age Demographics

The median age in Lake Oswego city is 46.5 years. This is 16% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Lake Oswego city is $140,441. This is 75% higher than the state median of $80,426. Compared to the national median of $78,538, household income here is 79% higher. The poverty rate stands at 3.1%. This is 74% lower than the state poverty rate of 11.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.3%. This is 19% lower than the state rate of 5.4%. The median home value is $894,000. Housing costs are 97% higher than the state median of $454,200. The home-value-to-income ratio of 6.4x suggests that housing affordability is a significant concern for many residents. 70.8% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 63.4%.

Race & Ethnicity

The largest racial or ethnic group in Lake Oswego city is White (non-Hispanic), making up 77.9% of the population. Asian residents account for 8.3%. The Hispanic or Latino population (4.9%) is well below the state average of 14.3%. The Asian population is significantly higher than the state average (8.3% vs 4.4%).

Education

75.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Lake Oswego city in the top 10% of all cities in the state for educational attainment. This is 107% higher than the state rate of 36.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 99.0%. Notably, 33.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Lake Oswego city, Oregon is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Oregon state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 419 Census-designated places in Oregon. For official data, visit data.census.gov.