Lake Oswego Flag

Lake Oswego

County Seat:
No
Area (mi²):
10.83
State:
Oregon

Lake Oswego is a city located in Clackamas County, Oregon. Lake Oswego has a 2026 population of 39,599. Lake Oswego is currently declining at a rate of -0.54% annually and its population has decreased by -3.15% since the most recent census, which recorded a population of 40,889 in 2020.

The median household income in Lake Oswego is $141,549 with a poverty rate of 3.44%. The median age in Lake Oswego is 46.7 years: 43.8 years for males, and 49.7 years for females. For every 100 females there are 102.1 males.

39.6K
Total Population
3,656
Density (mi²)
-215 -0.54%
Growth

Lake Oswego Population

Lake Oswego Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202639,599-215-0.54%
202539,814-215-0.54%
202440,029-88-0.22%
202340,117-109-0.27%
202240,226-403-0.99%
202140,629-216-0.53%
202040,8891,0922.74%
201939,7972790.71%
201839,5182170.55%
201739,3015831.51%
201638,7184391.15%
201538,2794451.18%
201437,8343731%
201337,4611980.53%
201237,2632390.65%
201137,0242400.65%
201036,7841650.45%
200035,2784,70215.38%
199030,5768,04935.73%
198022,5277,91254.14%
197014,6155,70964.1%
19608,9065,590168.58%
19503,3161,61695.06%
19401,70041532.3%
19301,285-533-29.32%
19201,8181,318263.6%
1900500-44-8.09%
1890544448466.67%
18809600%

Median Age

Overall: 46.7 years
Female: 49.7 years
Male: 43.8 years

Lake Oswego Adults

There are 31,432 adults, (9,501 of whom are seniors) in Lake Oswego.

Sex Ratio

Female: 19,980 (49.5%)
Male: 20,401 (50.5%)

Demographics

The racial composition of Lake Oswego includes 76.89% White, 9.15% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White31,04876.89%
Two or more races4,56811.31%
Asian3,6969.15%
Other race6411.59%
Black or African American2690.67%
Native American1040.26%
Native Hawaiian or Pacific Islander550.14%
Race
Population ↓
Percentage (of total)
Two or more races1,5623.87%
White4010.99%
Other race2510.62%
Native American730.18%
Race
Population ↓
Percentage (of total)
White30,64775.89%
Asian3,6969.15%
Two or more races3,0067.44%
Other race3900.97%
Black or African American2690.67%
Native Hawaiian or Pacific Islander550.14%
Native American310.08%

Lake Oswego Marital Status

Economics and Income Statistics

Lake Oswego 's average per capita income is $84,859. Household income levels show a median of $141,549. The poverty rate stands at 3.44%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$198,145-
Families$177,240$257,299
Households$141,549$216,371
Non Families$86,280$124,272

$84,859

Average Income

$141,549

Median Household Income

3.44%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)