Lake Oswego, OR demographics:
population, income, and more

Total population
40,381
0.0% year-over-year change
Median household income
$141,549/yr
0.8% year-over-year change
Housing units
18,140
1.7% year-over-year change

Lake Oswego population

How many people live in Lake Oswego

Lake Oswego is home to 40,381 residents, according to the most recent Census data. Gender-wise, 50.5% of Lake Oswego locals are male, and 49.5% are female.

Total population
40,381
0.0% year-over-year change
Gender ratio
Male
50.5%
20,401
Female
49.5%
19,980
Value Percent YoY change
Male 20,401 50.5% -0.5%
Female 19,980 49.5% 0.6%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Lake Oswego is 47, with the population distributed as follows: about 18% are children under 15, then 7.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.5% of the population, while another 29.1% fall into the 45 to 64 bracket. Finally, around 23.5% are 65 or older.

Median age
46.7
Age breakdown
Under 15
18%
15 to 24
7.9%
25 to 44
21.5%
45 to 64
29.1%
Over 65
23.5%
Value Percent YoY change
Under 15 7,277 18% -0.0%
15 to 24 3,189 7.9% -11.9%
25 to 44 8,675 21.5% 4.8%
45 to 64 11,739 29.1% -1.7%
Over 65 9,501 23.5% 2.7%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Lake Oswego, 86.9% of the population are US-born citizens, while 8.5% have gained naturalized citizenship. At the same time, 4.6% of residents are non-citizens. As for race, 76.9% of locals are Caucasian, 0.7% are African American and 9.2% have Asian roots. Another 0.3% are Indigenous American, 0.1% are Pacific Islanders, while 1.6% identify as another race. There’s also a share of 11.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
86.9%
Non-U.S.-born citizens
8.5%
Non-citizens
4.6%
Value Percent YoY change
U.S.-born citizens 35,100 86.9% -0.3%
Non-U.S.-born citizens 3,441 8.5% -1.4%
Non-citizens 1,840 4.6% 10.8%
Racial breakdown
White
76.9%
Black or African American
0.7%
American Indian and Alaska Native
0.3%
Asian
9.2%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
11.3%
Other
1.6%
Value Percent
White 31,048 76.9%
Black or African American 269 0.7%
American Indian and Alaska Native 104 0.3%
Asian 3,696 9.2%
Native Hawaiian and other Pacific Islander 55 0.1%
Two or more races 4,568 11.3%
Other 641 1.6%

Households in Lake Oswego

A peek inside Lake Oswego households

Lake Oswego has 16,873 households, with an average of 2 members in each. Of these, 68.2% are families, while the remaining 31.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
16,873
1.3% year-over-year change
Average people per household
2
Non-family households
5,372
Family households
11,501
Value Percent YoY change
Non-family households 5,372 31.8% 0.1%
Family households 11,501 68.2% 1.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Lake Oswego

The housing landscape of Lake Oswego

Lake Oswego's housing consists of 18,140 units, with 61.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.4% of the housing landscape.

Housing units
18,140
1.7% year-over-year change
Housing types
Value Percent
1 unit, detached 11,082 61.1%
1 unit, attached 1,413 7.8%
2 units 187 1%
3 or 4 units 1,050 5.8%
5 to 9 units 1,398 7.7%
10 to 19 units 818 4.5%
20 to 49 units 688 3.8%
50 or more units 1,438 7.9%
Mobile home 66 0.4%
Homes built since 2020
302
41.1% year-over-year change

The age of buildings in Lake Oswego

In Lake Oswego, the median construction year is 1982. About 3.5% of homes were built before the 1940s, with another 2.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 10.2% of homes were added from 2000 to 2009, 8.1% between 2010 and 2019, and 1.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 632 3.5% 5.3%
Built between 1940 and 1949 527 2.9% 6.0%
Built between 1950 and 1959 1,219 6.7% 3.7%
Built between 1960 and 1969 1,708 9.4% -8.2%
Built between 1970 and 1979 4,335 23.9% 7.7%
Built between 1980 and 1989 3,917 21.6% 0.8%
Built between 1990 and 1999 2,176 12% -6.2%
Built between 2000 and 2009 1,855 10.2% 0.0%
Built between 2010 and 2019 1,469 8.1% 4.8%
Built in 2020 or later 302 1.7% 41.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Lake Oswego occupancy rates

Out of the 16,873 occupied housing units in Lake Oswego, 69.2% are owner-occupied, while 30.8% are lived in by tenants. Meanwhile, 7% of all homes on the local market sit vacant.

Occupied housing units
16,873
1.3% year-over-year change
Occupancy breakdown
Renter occupied
5,188
Owner occupied
11,685
Value Percent YoY
change
Renter occupied 5,188 30.8% 6.6%
Owner occupied 11,685 69.2% -0.9%
Unoccupied housing units
7.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Lake Oswego housing costs

Housing costs in Lake Oswego come to a median of $2,375 per month, while tenants specifically pay a median gross rent of $2,139.

Median housing costs per month
$2,375/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Lake Oswego
$2,139/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Lake Oswego

Lake Oswego education at a glance

About 7.9% of the population in Lake Oswego went to high school, while 14% pursued college studies. Another 5.7% earned an associate degree and 39.6% hold a bachelor’s. Meanwhile, 32.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 102 0.3% 10.9%
High school diploma 2,473 7.9% 3.9%
College diploma 4,390 14% -1.5%
Associate degree 1,795 5.7% 8.3%
Bachelor's degree 12,459 39.6% -1.0%
Graduate degree 10,213 32.5% 2.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Lake Oswego

How much people earn in Lake Oswego

The average annual household income in Lake Oswego was $216,371 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.4% change from the previous year. At the same time, the median income stood at $141,549, reflecting a +0.8% shift over the same period.

Average household income in Lake Oswego
$216,371/year
4.4% year-over-year change
Median household income in Lake Oswego
$141,549/year
0.8% year-over-year change

Lake Oswego income by age

In Lake Oswego, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $158,544. Those with someone between 45 and 64 in charge, often well established professionally, earn $181,146 overall. Overall, 96.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $158,544 3.7%
45 - 64 $181,146 -6.1%
Over 65 $108,013 4.7%
Above poverty level
38,257
Below poverty level
1,381
Value Percent YoY
change
Above poverty level 38,257 96.5% -0.1%
Below poverty level 1,381 3.5% 10.6%

Average renter income in Lake Oswego

To get a better sense of what renters earn on average in Lake Oswego, their median household income was $82,628 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 31.1%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$82,628
Rent-to-income ratio
31.1%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Lake Oswego

Workforce and job types in Lake Oswego

The job market in Lake Oswego is powered by 19,667 working residents, spread across a range of industries and roles. 91.9% of the working population are employed in professional or administrative positions, while 8.1% are in hands-on or service-based jobs. Also, 18.3% run their own businesses, 59.4% are employed by private companies, and 10.5% work in the public sector.

Workforce demographics

Working population
19,667
2.9% year-over-year change
White collar
18,070
Blue collar
1,597
Value Percent YoY change
White collar 18,070 91.9% 2.3%
Blue collar 1,597 8.1% 9.0%
Employer type
Self employees
18.3%
Private companies
59.4%
Governmental workers
10.5%
Not for profit companies
11.9%
Value Percent YoY change
Self employees 3,602 18.3% 7.8%
Private companies 11,672 59.4% 2.7%
Governmental workers 2,059 10.5% -0.9%
Not for profit companies 2,334 11.9% -0.1%
Unemployment rate
3.4%
-19.9% year-over-year change

Available workforce

The unemployment rate in Lake Oswego stands at 3.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Lake Oswego

How people get around in Lake Oswego

In Lake Oswego, the average commute time is 22 minutes. Commuting methods vary: 64% of residents travel by personal vehicle and 1.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
22 min
Means of transportation
Value Percent YoY change
Car 12,427 64% -0.3%
Bus or trolleybus 102 0.5% -48.5%
Motorcycle 67 0.4% 13.6%
Bicycle 48 0.2% -46.7%
Walk 366 1.9% 48.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Lake Oswego by zipcode?

Zipcode Population Number of households Median income Average income
97034 21,331 8,634 $149,236 $247,418
97035 25,911 11,106 $130,603 $179,593

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FAQs about Lake Oswego demographics 

What is the total population of Lake Oswego?

Lake Oswego has a total population of 40,381 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.0% compared to a year ago.

What is the gender ratio in Lake Oswego?

The gender ratio in Lake Oswego is as follows:
  • 50.5% males (20,401 residents)
  • 49.5% females (19,980 residents)

What is the median age in Lake Oswego?

The median age in Lake Oswego is 46.7.

What is the age distribution of the population in Lake Oswego?

The age distribution in Lake Oswego is as follows:
  • Under 15: 18% (7,277 residents)
  • Ages 15-24: 7.9% (3,189 residents)
  • Ages 25-44: 21.5% (8,675 residents)
  • Ages 45-64: 29.1% (11,739 residents)
  • Over 65: 23.5% (9,501 residents)

What is the racial and ethnic makeup of Lake Oswego?

The racial and ethnic makeup of Lake Oswego is as follows:
  • White: 76.9% (31,048 residents)
  • Black or African American: 0.7% (269 residents)
  • American Indian and Alaska Native: 0.3% (104 residents)
  • Asian: 9.2% (3,696 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (55 residents)
  • Two or More Races: 11.3% (4,568 residents)
  • Other: 1.6% (641 residents)

What percentage of the population in Lake Oswego are U.S.-born citizens?

U.S.-born citizens represent 86.9% of the population in Lake Oswego.

How many housing units are there in Lake Oswego?

There are 18,140 housing units in Lake Oswego, reflecting a +1.7% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Lake Oswego and what is the average household size?

Lake Oswego has a total of 16,873 households, with an average of 2 people in each.

What is the median household income in Lake Oswego?

Lake Oswego has a median household income of $141,549, representing a +0.8% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Lake Oswego?

The employment rate is 96.6% in Lake Oswego, with a workforce of 19,667 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 91.9% (18,070 residents)
  • Blue-collar workers: 8.1% (1,597 residents)

Places of employment:
  • Self-employed: 18.3% (3,602 residents)
  • Private companies: 59.4% (11,672 residents)
  • Governmental workers: 10.5% (2,059 residents)
  • Not-for-profit companies: 11.9% (2,334 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025