Lake Oswego, Oregon Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Lake Oswego, Oregon is 40,367 as of the 2023 American Community Survey, making it the 14th-largest city in Oregon. The median household income is $140,441, the median home value is $894,000, and the median age is 46.5.
The population has grown 8.7% since 2010 (36,813 → 40,029).
40,367
Population
3713
People / sq mi
$140,441
Median Income
$894,000
Median Home Value
Get Lake Oswego's next ACS population data
Subscribe for Population Review updates by email. No spam, unsubscribe anytime.
Lake Oswego covers 10.9 sq mi of land at 3713 people per square mile.
About Lake Oswego, OR
Educational attainment is the headline number in Lake Oswego: 75.1% of adults 25 and older have a four-year degree. Lake Oswego is a city in Oregon with a population of 40,367. It ranks #14 among cities in Oregon by population.
Income is a real outlier — the median household pulls in $140,441, putting Lake Oswego near the top of US cities. Hardship is rare relative to US cities: a poverty rate of just 1.7%, below the national 12.4%. Housing is expensive: the median home is worth $894,000, with typical rent around $2,031.
Degree attainment is near the top of the range for US cities: 75.1% of adults 25+ hold a bachelor’s, above the 35.0% national rate. Working from home is common here: 29.8% of workers do so, above the national 14.0%, and the average commute runs about 22 minutes each way.
The education numbers are the throughline: a college-heavy population in Lake Oswego usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Lake Oswego city Population History (2010-2024)
The city of Lake Oswego city had a population of 36,813 in 2010 and 40,029 in 2024, a 8.7% growth over 14 years. The peak was 40,889 in 2020. Average annual growth rate: 0.60%.
40,029
Population (2024)
36,813
Population (2010)
40,889
Peak (2020)
0.60%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 36,813 |
| 2011 | 37,049 |
| 2012 | 37,284 |
| 2013 | 37,475 |
| 2014 | 37,842 |
| 2015 | 38,282 |
| 2016 | 38,699 |
| 2017 | 39,280 |
| 2018 | 39,524 |
| 2019 | 39,822 |
| 2020 | 40,889 |
| 2021 | 40,629 |
| 2022 | 40,226 |
| 2023 | 40,117 |
| 2024 | 40,029 |
Race & Ethnicity
| White | 79.0% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.1% |
Economy & Income
$140,441
Median Household Income
$87,160
Per Capita Income
1.7%
Poverty Rate
2.7%
Unemployment Rate
Housing
$894,000
Median Home Value
$2,031
Median Rent
70.8%
Owner-Occupied
Education
99.0%
High School+
75.1%
Bachelor's+
Commute
1.2%
Drive Alone
61.9%
Public Transit
29.8%
Work From Home
22.2 min
Avg Commute
Community Profile
51.1%
Foreign Born
87.1%
Non-English at Home
5.6%
Veterans
8.7%
With Disability
97.7%
Health Insurance
98.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 26.3% |
| Finance, Insurance & Real Estate | 18.0% |
| Information | 10.4% |
| Manufacturing | 9.7% |
| Education, Health Care & Social Services | 5.9% |
| Arts, Entertainment & Food Services | 5.3% |
| Construction | 4.1% |
| Retail Trade | 3.0% |
| Transportation & Warehousing | 2.7% |
| Public Administration | 2.7% |
Largest cities in Oregon
Largest counties in Oregon
Part of Oregon
Metro areas in Oregon
City rankings
Frequently Asked Questions
Lake Oswego, Oregon has a population of 40,367 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 14th-largest city in Oregon.
The median household income in Lake Oswego, Oregon is $140,441, with 1.7% of residents living below the federal poverty level.
The median home value in Lake Oswego, Oregon is $894,000, with median monthly rent at $2,031 and a homeownership rate of 70.8%.
The median age in Lake Oswego, Oregon is 46.5 years. The population is 50.8% male and 49.2% female.
The population has grown 8.7% since 2010 (36,813 → 40,029).
Lake Oswego city, OR Climate
Lake Oswego city, OR has an average annual temperature of 11.5°C (53°F) and receives about 1152 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
11.5°C
Avg Temp
1152
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 4° / 40° | 171 mm |
| February | 6° / 43° | 131 mm |
| March | 8° / 47° | 118 mm |
| April | 10° / 51° | 81 mm |
| May | 14° / 56° | 63 mm |
| June | 16° / 62° | 45 mm |
| July | 19° / 67° | 19 mm |
| August | 19° / 67° | 25 mm |
| September | 17° / 62° | 49 mm |
| October | 12° / 53° | 89 mm |
| November | 7° / 45° | 172 mm |
| December | 4° / 40° | 189 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lake Oswego city, OR
The most comfortable months to visit Lake Oswego city, OR are typically July, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 26°C high). The coldest is January (near 1°C low). December is usually the wettest month.
Where to stay near Lake Oswego
Visiting or relocating to Lake Oswego, OR? Compare hotels and short-term rentals across the metro — live availability and prices.
Top-rated places to stay near Lake Oswego
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Lake Oswego?
Get relocation and cost-of-living insights for Lake Oswego, OR by email. No spam, unsubscribe anytime.
More from Oregon
Population 642,715
Population 177,520
Population 176,666
Population 112,818
Population 107,050
Full rankings of Oregon cities by population
Statewide data for Oregon
Population, race, income, age, and trends across Oregon
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.