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Oregon ZIP Codes
Lake County
Summer Lake, OR
97640
97640 ZIP Code — Summer Lake, OR
Lake County, Oregon
ZIP code 97640 is located in
Summer Lake ,
Oregon ,
within Lake County .
It covers approximately 364.86 square miles and serves a population of
130 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 541 .
97640 ZIP code map
View map of 97640
Cities in ZIP code 97640
Below are the cities the US Postal Service accepts for ZIP code 97640. Using any city not on this list may result in mail delivery delays.
Demographics
updated 06/2026
Population
Total population
130
Population density
0 / sq mi
State FIPS
41
County FIPS
037
Geography
Land area
364.86 sq mi
Water area
50.36 sq mi
Latitude
42.9168
Longitude
-121.1366
Timezone
Pacific (PT)
Area code
541
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
47.9%
53.3%
38.1%
$50k – $100k
29.8%
29.9%
31.4%
$100k – $200k
19.1%
14.9%
23.2%
Over $200k
3.2%
1.9%
7.2%
Demographics & statistics
$58,333
Median household income
$256,800
Median home value
29.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 15 11.5%
18 and over 115 88.5%
65 and over 54 41.5%
Median age 61.9 years
Race & ethnicity
Group Count %
White 100 62.5%
Hispanic or Latino 30 18.8%
Two or more races 30 18.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
47.9%
53.3%
38.1%
$50k – $100k
29.8%
29.9%
31.4%
$100k – $200k
19.1%
14.9%
23.2%
Over $200k
3.2%
1.9%
7.2%
Range % of households
Under $10k 16.7%
$25k–$35k 10.4%
$35k–$50k 10.4%
$50k–$75k 29.2%
$75k–$100k 16.7%
$100k–$150k 10.4%
$200k+ 6.3%
Median income $58,333
Housing
Housing overview
Metric Value
Median home value $256,800
Median rent / month $0
Owner occupied 64.6%
Renter occupied 35.4%
Vacant 58.6%
Single-family detached 83.6%
Large apartment buildings 0.0%
Mobile homes 14.7%
Median rooms 5.2
Avg household size (owned) 2.81
Year built
Era %
2020 or later 0.0%
2010–2019 24.1%
2000–2009 35.3%
1990–1999 12.9%
1980–1989 6.0%
1970–1979 0.9%
1960–1969 10.3%
1950–1959 2.6%
1940–1949 0.0%
1939 or earlier 7.8%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 7.8%
2 bedrooms 26.7%
3 bedrooms 56.9%
4 bedrooms 7.8%
5+ bedrooms 0.9%
Vehicles per household
Vehicles % of households
No vehicle 4.2%
1 vehicle 14.6%
2 vehicles 39.6%
3 or more 41.7%
Heating fuel
Fuel type %
Electricity 25.0%
Propane / LP gas 12.5%
Fuel oil 18.8%
Wood 39.6%
Solar 4.2%
Households & families
Household type Count %
Married-couple family 28 58.3%
Cohabiting couple 2 4.2%
Male householder, no spouse 3 6.3%
Female householder, no spouse 15 31.3%
Households with children under 18 6 12.5%
Households with seniors (65+) 24 50.0%
Average household size 2.71
Marital status
Status Male Female
Never married 15.6% 11.8%
Married 45.3% 66.7%
Separated 0.0% 0.0%
Widowed 35.9% 13.7%
Divorced 3.1% 7.8%
Education
Some college, no degree
16.7%
Graduate / professional
3.7%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 29.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 7 26.9%
Elementary school 8 30.8%
High school 4 15.4%
College / grad school 7 26.9%
Employment
Industry of employment
Education & healthcare
41.5%
Agriculture & mining
24.5%
Public administration
13.2%
Arts, food & hospitality
5.7%
Occupation
Category %
Management, business & arts 22.6%
Service 15.1%
Sales & office 5.7%
Natural resources & construction 28.3%
Production & transportation 28.3%
Employment type
Type %
Private sector 58.5%
Government 35.8%
Self-employed 5.7%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 60.4%
Carpool 0.0%
Public transit 0.0%
Walk 11.3%
Work from home 28.3%
Other means 0.0%
Avg commute (minutes) 34.9
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 56.3%
Retirement income 33.3%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 33.0%
High blood pressure 40.7%
High cholesterol 37.5%
Diabetes 13.6%
Heart disease 9.3%
Stroke 4.6%
Asthma 11.2%
Arthritis 33.8%
Kidney disease 3.9%
Pulmonary disease 10.8%
Cancer 8.6%
Behavior / access %
Smoking 20.9%
Binge drinking 14.3%
No physical activity 23.6%
Less than 7 hrs sleep 30.5%
Depression 22.8%
Fair or poor health 19.7%
Poor mental health 14.9%
Poor physical health 14.4%
No health insurance 11.0%
Visited doctor (checkup) 75.6%
Visited dentist 61.0%
Cholesterol screening 92.2%
Teeth loss 16.6%
Veterans & disability
Veterans Count %
Civilian veterans 27 23.5%
Disability %
Any disability 34.6%
Under 18 0.0%
18–64 years 18.0%
65 and over 63.0%
Health insurance coverage
Type %
Private insurance 73.1%
Public insurance 53.1%
No insurance 6.9%
Uninsured under 19 5.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 130 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 125 96.2%
Born in same state 125 96.2%
Born in different state 85 65.4%
Foreign born 0 0.0%
Naturalized citizen 5 3.8%
Not a US citizen 2 40.0%
Ancestry
Ancestry Count %
French 17 13.1%
Italian 16 12.3%
Polish 3 2.3%
Ancestry Count %
Dutch 2 1.5%
Arab 2 1.5%
Technology access
Metric % of households
Computer access 36.9%
Internet access 93.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 97640
What city is ZIP code 97640 in?
ZIP code 97640 is primarily assigned to Summer Lake, Oregon.
What county is ZIP code 97640 in?
ZIP code 97640 falls within Lake County, Oregon.
Does ZIP code 97640 have an older population?
42% of residents in ZIP code 97640 are 65 or older, above the national average of ~17%.
Does ZIP code 97640 have a large retiree population?
56% of households in ZIP code 97640 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 97640 have a large veteran population?
24% of civilians in ZIP code 97640 are veterans, above the national average of ~7%.
What is the population of ZIP code 97640?
ZIP code 97640 has an estimated population of 130 residents.
What timezone is ZIP code 97640 in?
ZIP code 97640 observes the PST timezone.
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