Postal Codes

97640 ZIP Code

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ZIP code 97640 covers Summer Lake, Oregon, with a median household income of $61,591.

Median age
54.816.1 points above the US average
Median household income
$61,59123% below the Oregon median
Poverty rate
5.6%6.8 points below the US average
Degree or higher
27%8 points below the US average
Homeownership
53.7%11.3 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time

Where 97640 is

Summer Lake, Oregon — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Median age54.8
Family households63%
Born outside the US1.9%
Speaks a language other than English at home0%
White (non-Hispanic)78.1%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino21.9%
Veterans20.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$61,591
Income per person$29,784
Poverty rate5.6%
Households on SNAP or cash assistance3.7%

Household income distribution

Under $10k16.7%
$10–15k0.0%
$15–20k0.0%
$20–25k3.7%
$25–30k0.0%
$30–35k5.6%
$35–40k0.0%
$40–45k0.0%
$45–50k5.6%
$50–60k5.6%
$60–75k24.1%
$75–100k27.8%
$100–125k1.9%
$125–150k0.0%
$150–200k5.6%
$200k or more3.7%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied53.7%
Vacant homes54.6%
Median year built2003

What the homes are

Detached house75.6%
Attached house1.7%
Mobile home22.7%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher27%
High school diploma or higher100%
Works from home17.3%
Drives to work alone77.3%
Takes public transport0%
Commutes 45 minutes or more30.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.4% 3 pts above the national average of 33.4%
Diagnosed diabetes14.9% 2.9 pts above the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure42.2% 8.1 pts above the national average of 34.1%
Fair or poor general health23.9% 3.6 pts above the national average of 20.3%
No health insurance (18–64)8% 3.3 pts below the national average of 11.3%
Depression27.6% 5.7 pts above the national average of 21.9%
No leisure-time physical activity25.9% 0.5 pts above the national average of 25.4%
Arthritis37.4% 12.3 pts above the national average of 25.1%
Binge drinking13.2% 2.8 pts below the national average of 16%
Taking blood pressure medication78.8% 4.1 pts above the national average of 74.7%
Cancer (non-skin)12.2% 4.5 pts above the national average of 7.7%
Current asthma12.4% 2 pts above the national average of 10.4%
Coronary heart disease10.5% 4.3 pts above the national average of 6.2%
Routine check-up in past year76.4% same as the national average of 76.7%
Cholesterol screening83.7% 2.2 pts below the national average of 85.9%
Cognitive disability16.4% 1.6 pts above the national average of 14.8%
Colorectal screening68.7% 4.4 pts above the national average of 64.3%
COPD11.2% 4.6 pts above the national average of 6.6%
Visited a dentist60.3% 1 pts below the national average of 61.3%
Any disability38% 7.3 pts above the national average of 30.7%
Hearing disability11.1% 4.4 pts above the national average of 6.7%
High cholesterol39.3% 3.1 pts above the national average of 36.2%
Independent living disability10.4% 2 pts above the national average of 8.4%
Mammography use71.2% 4.7 pts below the national average of 75.9%
Poor mental health (14+ days)17.8% 1 pts above the national average of 16.8%
Mobility disability19.4% 5.4 pts above the national average of 14%
Poor physical health (14+ days)17.2% 3.7 pts above the national average of 13.5%
Self-care disability4.8% 0.8 pts above the national average of 4%
Sleeps under 7 hours29.5% 6.9 pts below the national average of 36.4%
Stroke5.1% 1.7 pts above the national average of 3.4%
All natural teeth lost19.4% 6.4 pts above the national average of 13%
Vision disability6.1% 0.5 pts above the national average of 5.6%
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 95.7% of US census tracts
FEMA ratingRelatively High
Expected annual loss92.6 out of 100
Community resilience13.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather99.4Very High at its worst in this ZIP code
River flooding98.9Very High at its worst in this ZIP code
Wildfire98.9Relatively High at its worst in this ZIP code
Volcanic activity97.1Relatively Low at its worst in this ZIP code
Landslide90.1Relatively Low at its worst in this ZIP code
Earthquake85.6Relatively Moderate at its worst in this ZIP code
Drought84.5Relatively Low at its worst in this ZIP code
Lightning80.7Relatively High at its worst in this ZIP code
Hail68.7Relatively Low at its worst in this ZIP code
Heat wave47.9Relatively Low at its worst in this ZIP code
Cold wave45.4Relatively Low at its worst in this ZIP code
Ice storm33.3Very Low at its worst in this ZIP code
Avalanche27.6Very Low at its worst in this ZIP code
Strong wind10.4Very Low at its worst in this ZIP code
Tornado5.9Very Low at its worst in this ZIP code
Compared with Oregon and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPOregonUnited States
Median household income$61,591$80,426$78,538
Income per person$29,784$44,063$43,289
Poverty rate5.6%11.9%12.4%
Median home value$454,200$303,400
Median gross rent$1,450$1,348
Homeownership53.7%63.4%65%
Bachelor's degree or higher27%36.2%35%
Unemployment rate0%5.4%5.2%
Works from home17.3%17%13.5%
Born outside the US1.9%9.7%13.9%
Median age54.840.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSUMMER LAKE 1 S, OR US1.7 km away
Rain in a year13 in
Snow in a year7 in

Average high and low by month

January44.4°F / 21.5°F1.58 in rain, 2 in snow
February47.5°F / 23.3°F1.2 in rain, 1.6 in snow
March54°F / 27°F1.2 in rain, 0.5 in snow
April60.4°F / 30.6°F1.18 in rain
May70.1°F / 37.3°F1.41 in rain
June79.2°F / 43°F0.82 in rain
July89.7°F / 49°F0.38 in rain
August88.7°F / 46.8°F0.42 in rain
September80.9°F / 39.6°F0.6 in rain
October66.3°F / 31.6°F0.94 in rain
November51°F / 25.5°F1.48 in rain, 0.8 in snow
December42.5°F / 21°F1.85 in rain, 2.5 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket100% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Paisley School District 11100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability64more vulnerable than 64% of US census tracts
Socioeconomic status78more vulnerable than 78% of US census tracts
Household characteristics33more vulnerable than 33% of US census tracts
Racial and ethnic minority status11more vulnerable than 11% of US census tracts
Housing type and transport72more vulnerable than 72% of US census tracts
Walkability4.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

97638 Silver Lake, OR27.3 km away
97636 Paisley, OR33.3 km away
97641 Christmas Valley, OR34.9 km away
97735 Fort Rock, OR50.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Lake County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area364.86 sq mi
Water area50.36 sq mi
Latitude, longitude42.9447, -120.7946

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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