Summer Lake ZIP Code List — Lake County, OR

There is one unique ZIP code in Summer Lake, Oregon and it is 97640. Area code: 541.

ZIP codes

364.86

sq mi land

50.36

sq mi water

541

area code

Summer Lake, OR ZIP code map

About Summer Lake, OR

Summer Lake is a small town located in southern Oregon, known for its serene landscapes and outdoor recreational opportunities. Nestled in Lake County, it offers a tranquil atmosphere that attracts nature enthusiasts and those seeking a peaceful retreat. The area is characterized by its stunning geological features and expansive sky, making it a unique place to visit or reside.

Location & geography

Summer Lake, Oregon covers a land area of 364.86 square miles and includes 50.36 square miles of water, providing ample opportunities for fishing and boating. It is situated approximately 45 miles northeast of the city of Klamath Falls, and about 140 miles southeast of Bend. The terrain is predominantly flat with surrounding hills, and the nearby Summer Lake and the Foster Reservoir are notable water bodies that enhance the beauty of the area.

Community & economy

The character of Summer Lake is deeply rooted in its outdoor lifestyle, with many residents engaging in farming, ranching, and tourism-related activities. Daily life in this close-knit community is marked by a strong connection to the land and various seasonal outdoor recreation options such as hiking and birdwatching. The town's slow pace and scenic views create a perfect ambiance for those looking for a rural lifestyle.

Transportation

Access to Summer Lake is primarily via Oregon Route 31, which connects the city to other parts of the state. The closest major airport is in Klamath Falls, which offers regional flights and services. Public transportation options are limited, highlighting the more self-sufficient lifestyle enjoyed by residents.

History

Summer Lake was established in the early 20th century, originally driven by the agricultural industry and the area's natural resources. Over the years, the town has evolved with a focus on tourism and recreation, taking advantage of the beautiful scenery and wildlife. Notable events include the annual Summer Lake Festival, which celebrates the local culture and attracts visitors from surrounding areas.

Did you know?

A surprising fact about Summer Lake is that it serves as a pivotal stop for migratory birds, attracting birdwatchers from across the region. Additionally, despite its small size, it is home to vibrant ecosystems such as marshlands that contribute to its unique biodiversity.

ZIP codes for Summer Lake, OR (1)

ZIP code	City	County	Map
97640	Summer Lake	Lake	View map

Demographics & statistics

130

Population

61.9

Median age

$58,333

Median household income

$30,009

Per capita income

$256,800

Median home value

Median monthly rent

64.6%

Home ownership

6.2%

Poverty rate

0.0%

Unemployment

Housing units

29.6%

Bachelor's or higher

Age distribution

Male Female

5–9

15–19

20–24

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

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

White 62.5%

Hispanic or Latino 18.8%

Two or more races 18.8%

Group	Count	%
White	100	62.5%
Hispanic or Latino	30	18.8%
Two or more races	30	18.8%

Household income

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%

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

Home values

$50k–$100k 25.8%

$100k–$150k 9.7%

$200k–$300k 45.2%

$300k–$500k 6.5%

$500k–$1M 12.9%

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

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 39.8%

Some college, no degree 16.7%

Associate's degree 13.9%

Bachelor's degree 25.9%

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%

Construction 9.4%

Retail trade 5.7%

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%
Other means	0.0%
Avg commute (minutes)	34.9

Poverty

All people 6.2%

Under 18 years 0.0%

18 and over 7.0%

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	%
High blood pressure	40.7%
High cholesterol	37.5%
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	%
Binge drinking	14.3%
No physical activity	23.6%
Less than 7 hrs sleep	30.5%
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%
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

What is the ZIP code for Summer Lake, OR?

Summer Lake, OR has one ZIP code: 97640.

What is the main ZIP code for Summer Lake, OR?

The primary ZIP code for Summer Lake, OR is 97640. The city uses area code 541 for phone service.

What county is Summer Lake, OR in?

Summer Lake is located in Lake County, Oregon.

How many ZIP codes are in Summer Lake, OR?

Summer Lake, OR has 1 ZIP code.