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ZIP Code Database - Facts & Stats

Data Last Updated: July 1, 2022

ZIP Codes for City of Lake Oswego, OR

Lake Oswego, OR Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 97034StandardClackamas18,905503
ZIP Code 97035StandardClackamas23,912503

Timezone(s):Pacific (GMT -08:00)
Population:36,619 (More Details)
Male Population:17,320
Female Population:19,299
Median Age:46
ZIP Codes:2
Area Codes:1
Total Area:1,883 square miles (county)
Land Area:1,870 square miles (county)
Water Area:12 square miles (county)

Lake Oswego, OR Demographic Information *

Total population36,619
Male population17,320
Female population19,299
Median age (years)45.8
White Population32,694
Black Population264
Indian Population149
Asian Population2,056
Hawaiian Population66
Hispanic Population1,356
Median age (Male)44
Median age (Female)47.2
Total households15,893
Family households (families)10,079
Average household size2.29
Average family size2.88
Total housing units16,995
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 7/1/2022],
  2. Internal Data Creation [Last Updated: 7/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],