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Oregon ZIP Codes
Clackamas County
Lake Oswego, OR
97034
97034 ZIP Code — Lake Oswego, OR
Clackamas County, Oregon
ZIP code 97034 is located in
Lake Oswego ,
Oregon ,
within Clackamas County .
It covers approximately 7.75 square miles and serves a population of
20,930 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 503 .
About ZIP code 97034
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $921,400. Owner-occupancy is high at 76%, well above the national average.
The gap between median ($140,687) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average. Remote work is prevalent — 25% of workers work from home.
Educational attainment is high — 74% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 97034 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.
97034 ZIP code map
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Cities in ZIP code 97034
Below are the cities the US Postal Service accepts for ZIP code 97034. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
20,930
Population density
2,701 / sq mi
State FIPS
41
County FIPS
005
Geography
Land area
7.75 sq mi
Water area
0.83 sq mi
Latitude
45.4108
Longitude
-122.6795
Timezone
Pacific (PT)
Area code
503
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.9%
28.4%
38.1%
$50k – $100k
20.0%
31.6%
31.4%
$100k – $200k
28.9%
28.6%
23.2%
Over $200k
32.2%
11.4%
7.2%
Demographics & statistics
$140,687
Median household income
$921,400
Median home value
$1,957
Median monthly rent
74.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 4,711 22.5%
18 and over 16,219 77.5%
65 and over 5,130 24.5%
Median age 49.0 years
Race & ethnicity
Native Hawaiian / Pacific Islander
0.6%
Black or African American
0.2%
American Indian / Alaska Native
0.1%
Group Count %
White 17,254 78.5%
Two or more races 2,055 9.3%
Asian 1,216 5.5%
Hispanic or Latino 1,063 4.8%
Other race 197 0.9%
Native Hawaiian / Pacific Islander 142 0.6%
Black or African American 47 0.2%
American Indian / Alaska Native 19 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.9%
28.4%
38.1%
$50k – $100k
20.0%
31.6%
31.4%
$100k – $200k
28.9%
28.6%
23.2%
Over $200k
32.2%
11.4%
7.2%
Range % of households
Under $10k 2.5%
$10k–$15k 1.9%
$15k–$25k 4.3%
$25k–$35k 3.3%
$35k–$50k 5.0%
$50k–$75k 10.4%
$75k–$100k 7.4%
$100k–$150k 18.2%
$150k–$200k 9.8%
$200k+ 37.3%
Median income $140,687
Housing
Housing overview
Metric Value
Median home value $921,400
Median rent / month $1,957
Owner occupied 76.1%
Renter occupied 23.9%
Vacant 6.3%
Single-family detached 71.9%
Large apartment buildings 11.2%
Mobile homes 0.3%
Median rooms 7.4
Avg household size (owned) 2.63
Year built
Era %
2020 or later 0.7%
2010–2019 7.9%
2000–2009 11.6%
1990–1999 10.4%
1980–1989 12.0%
1970–1979 19.4%
1960–1969 17.9%
1950–1959 11.0%
1940–1949 4.3%
1939 or earlier 5.0%
Bedrooms
Size % of units
No bedroom (studio) 2.1%
1 bedroom 6.1%
2 bedrooms 18.8%
3 bedrooms 25.5%
4 bedrooms 37.0%
5+ bedrooms 10.5%
Vehicles per household
Vehicles % of households
No vehicle 3.5%
1 vehicle 25.6%
2 vehicles 44.9%
3 or more 25.9%
Heating fuel
Fuel type %
Utility gas 65.3%
Electricity 32.2%
Propane / LP gas 0.6%
Fuel oil 0.5%
Wood 0.5%
Solar 0.3%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 5,322 62.7%
Cohabiting couple 383 4.5%
Male householder, no spouse 1,081 12.7%
Female householder, no spouse 1,700 20.0%
Households with children under 18 2,661 31.4%
Households with seniors (65+) 3,511 41.4%
Average household size 2.46
Marital status
Status Male Female
Never married 25.2% 13.7%
Married 63.4% 65.2%
Separated 0.6% 1.1%
Widowed 1.8% 8.3%
Divorced 9.0% 11.8%
Education
Some college, no degree
13.2%
Graduate / professional
31.9%
Metric %
HS diploma or higher 99.2%
Bachelor's or higher 74.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 314 6.2%
Kindergarten 204 4.0%
Elementary school 2,279 45.2%
High school 1,356 26.9%
College / grad school 886 17.6%
Employment
Industry of employment
Education & healthcare
25.7%
Professional & management
20.5%
Finance & real estate
11.8%
Arts, food & hospitality
4.9%
Transportation & utilities
3.3%
Public administration
2.8%
Agriculture & mining
0.1%
Occupation
Category %
Management, business & arts 70.1%
Service 5.5%
Sales & office 16.7%
Natural resources & construction 2.2%
Production & transportation 5.4%
Employment type
Type %
Private sector 76.8%
Government 11.3%
Self-employed 10.3%
Unpaid family workers 1.6%
Commute
Method %
Drive alone 65.9%
Carpool 4.0%
Public transit 2.6%
Walk 1.1%
Work from home 25.4%
Other means 1.1%
Avg commute (minutes) 25.6
Poverty
Married-couple families
2.7%
Female-led households
5.1%
Income support
Source % of households
Social Security 37.1%
Retirement income 29.0%
Supplemental Security 1.8%
Cash public assistance 2.0%
Food stamps / SNAP 3.2%
Health indicators
Condition %
Obesity 22.8%
High blood pressure 32.3%
High cholesterol 33.2%
Diabetes 7.9%
Heart disease 5.3%
Stroke 2.4%
Asthma 9.0%
Arthritis 22.8%
Kidney disease 2.5%
Pulmonary disease 4.2%
Cancer 8.7%
Behavior / access %
Smoking 7.8%
Binge drinking 14.9%
No physical activity 11.1%
Less than 7 hrs sleep 23.7%
Depression 18.9%
Fair or poor health 8.2%
Poor mental health 10.8%
Poor physical health 7.1%
No health insurance 5.3%
Visited doctor (checkup) 75.4%
Visited dentist 80.3%
Cholesterol screening 94.6%
Teeth loss 5.7%
Veterans & disability
Veterans Count %
Civilian veterans 920 5.7%
Disability %
Any disability 10.4%
Under 18 3.0%
18–64 years 8.8%
65 and over 20.6%
Health insurance coverage
Type %
Private insurance 83.9%
Public insurance 32.9%
No insurance 2.6%
Uninsured under 19 3.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 20,068 95.9%
Spanish 243 1.2%
Other Indo-European 65 0.3%
Asian & Pacific Islander 8 0.0%
Other languages 170 0.8%
Place of birth & citizenship
Origin Count %
Native born (US) 19,344 92.4%
Born in same state 19,153 91.5%
Born in different state 8,155 39.0%
Foreign born 191 0.9%
Naturalized citizen 1,586 7.6%
Not a US citizen 1,167 73.6%
Ancestry
Ancestry Count %
French 3,848 18.4%
Italian 2,922 14%
Polish 908 4.3%
Arab 577 2.8%
English 378 1.8%
Ancestry Count %
Dutch 145 0.7%
Irish 104 0.5%
Norwegian 85 0.4%
German 78 0.4%
Technology access
Metric % of households
Computer access 40.5%
Internet access 98.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 97034
What city is ZIP code 97034 in?
ZIP code 97034 is primarily assigned to Lake Oswego, Oregon.
What county is ZIP code 97034 in?
ZIP code 97034 falls within Clackamas County, Oregon.
How educated is the population of ZIP code 97034?
74% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 97034 have a large retiree population?
37% of households in ZIP code 97034 receive Social Security income, suggesting a significant retiree or disability population.
What is the median household income in ZIP code 97034?
The median household income in ZIP code 97034 is $140,687, above the national median of ~$75,000.
What is the typical home value in ZIP code 97034?
The median home value in ZIP code 97034 is $921,400.
What timezone is ZIP code 97034 in?
ZIP code 97034 observes the PST timezone.
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