Postal Codes

97603 ZIP Code

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ZIP code 97603 covers Klamath Falls, Oregon, with a population of about 32,212 and a median household income of $64,272.

Population
32,21295 per square mile
Median age
39about the US average
Median household income
$64,27220% below the Oregon median
Poverty rate
16.7%4.3 points above the US average
Typical home value
$327,940up 25.5% in five years
Median rent
$98732% below the Oregon median
Degree or higher
22%13 points below the US average
Homeownership
67.6%2.6 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
697

Where 97603 is

Klamath Falls, 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

Population32,212
Median age39
Family households66.1%
Born outside the US4.4%
Speaks a language other than English at home8.7%
White (non-Hispanic)73.1%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0.5%
Hispanic or Latino15.4%
Veterans9.3%
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$64,272
Income per person$31,973
Poverty rate16.7%
Households on SNAP or cash assistance22.3%

Household income distribution

Under $10k7.3%
$10–15k4.5%
$15–20k4.0%
$20–25k3.6%
$25–30k3.3%
$30–35k3.9%
$35–40k3.3%
$40–45k4.2%
$45–50k5.0%
$50–60k8.2%
$60–75k10.2%
$75–100k15.7%
$100–125k8.9%
$125–150k6.0%
$150–200k7.4%
$200k or more4.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed13,390
Mean adjusted gross income$61,122
Returns declaring $200,000 or more3.1%
Returns, under $25k30.7%
Returns, $25k–$50k26.7%
Returns, $50k–$75k15.3%
Returns, $75k–$100k9.5%
Returns, $100k–$200k14.6%
Returns, $200k or more3.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$251,100
Median gross rent$987
Rent as a share of household income28.9%
Owner-occupied67.6%
Vacant homes4.7%
Median year built1974

What the homes are

Detached house68.3%
Attached house4.1%
2 to 4 units6.7%
5 to 19 units4%
20 or more units3.4%
Mobile home13.3%
Boat, RV or van0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$327,940as of 2026-07
Typical home value, 1 yearup 1.9%
Typical home value, 5 yearsup 25.5%
Typical home value, 10 yearsup 101.6%
Typical asking rent$1,333as of 2026-07
Typical asking rent, 1 yearup 3.1%
Typical home value since 2000
201620212026$327,940$162,629

$162,629 in 2016 to $327,940 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.4%
Bachelor's degree or higher22%
High school diploma or higher90.9%
Works from home7%
Drives to work alone81.9%
Takes public transport0.2%
Commutes 45 minutes or more3.2%
Health

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

Obesity37% 3.6 pts above the national average of 33.4%
Diagnosed diabetes13.2% 1.2 pts above the national average of 12%
Currently smokes14.6% 1.4 pts above the national average of 13.2%
High blood pressure38.6% 4.5 pts above the national average of 34.1%
Fair or poor general health22.5% 2.2 pts above the national average of 20.3%
No health insurance (18–64)10% 1.3 pts below the national average of 11.3%
Depression27.4% 5.5 pts above the national average of 21.9%
No leisure-time physical activity25.4% same as the national average of 25.4%
Arthritis31.4% 6.3 pts above the national average of 25.1%
Binge drinking15% 1 pts below the national average of 16%
Taking blood pressure medication73.1% 1.6 pts below the national average of 74.7%
Cancer (non-skin)9.7% 2 pts above the national average of 7.7%
Current asthma12.6% 2.2 pts above the national average of 10.4%
Coronary heart disease8% 1.8 pts above the national average of 6.2%
Routine check-up in past year73.3% 3.4 pts below the national average of 76.7%
Cholesterol screening83.1% 2.8 pts below the national average of 85.9%
Cognitive disability16.7% 1.9 pts above the national average of 14.8%
Colorectal screening64.7% same as the national average of 64.3%
COPD8.9% 2.3 pts above the national average of 6.6%
Visited a dentist60.6% 0.7 pts below the national average of 61.3%
Any disability35.3% 4.6 pts above the national average of 30.7%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol35.8% same as the national average of 36.2%
Independent living disability9.6% 1.2 pts above the national average of 8.4%
Mammography use76.2% same as the national average of 75.9%
Poor mental health (14+ days)18.7% 1.9 pts above the national average of 16.8%
Mobility disability16.7% 2.7 pts above the national average of 14%
Poor physical health (14+ days)16.2% 2.7 pts above the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Sleeps under 7 hours33.1% 3.3 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost16.8% 3.8 pts above the national average of 13%
Vision disability5.9% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments697
People employed7,671
Annual payroll$294,602,000
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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 66.3% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 12 census tracts this ZIP code covers
Expected annual loss62.6 out of 100
Community resilience22.5 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.

Wildfire92.5Relatively High at its worst in this ZIP code
Winter weather88.4Very High at its worst in this ZIP code
Volcanic activity83.8Relatively Low at its worst in this ZIP code
Earthquake81.6Relatively High at its worst in this ZIP code
Drought80.1Relatively Low at its worst in this ZIP code
Avalanche76.4Relatively Low at its worst in this ZIP code
Landslide73.6Relatively Low at its worst in this ZIP code
River flooding64.8Relatively High at its worst in this ZIP code
Cold wave56Relatively High at its worst in this ZIP code
Hail45.4Relatively Low at its worst in this ZIP code
Heat wave43.5Relatively Moderate at its worst in this ZIP code
Lightning36.1Relatively Moderate at its worst in this ZIP code
Strong wind11.8Very Low at its worst in this ZIP code
Ice storm6.7Very Low at its worst in this ZIP code
Tornado2Very 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$64,272$80,426$78,538
Income per person$31,973$44,063$43,289
Poverty rate16.7%11.9%12.4%
Median home value$251,100$454,200$303,400
Median gross rent$987$1,450$1,348
Homeownership67.6%63.4%65%
Bachelor's degree or higher22%36.2%35%
Unemployment rate7.4%5.4%5.2%
Works from home7%17%13.5%
Born outside the US4.4%9.7%13.9%
Median age3940.138.7
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 stationKLAMATH FALLS INTL AP, OR US5 km away
Rain in a year11 in

Average high and low by month

January41.5°F / 21.5°F1.51 in rain
February46.3°F / 23.5°F1.12 in rain
March52.3°F / 26.5°F1.03 in rain
April57.8°F / 29.1°F1.06 in rain
May67.2°F / 36.2°F1.04 in rain
June76.2°F / 41.4°F0.66 in rain
July86.3°F / 47.8°F0.22 in rain
August84.8°F / 46.5°F0.28 in rain
September77.5°F / 39°F0.3 in rain
October64.2°F / 30.7°F0.74 in rain
November49.1°F / 24.9°F1.38 in rain
December40.3°F / 20.6°F1.8 in rain
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 supermarket46% of this ZIP code's area
Far from a supermarket3% of this ZIP code's area
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Klamath County School District98.8% of this ZIP code's land area
Klamath Falls City Schools1.2% 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 vulnerability48more vulnerable than 48% of US census tracts
Socioeconomic status35more vulnerable than 35% of US census tracts
Household characteristics75more vulnerable than 75% of US census tracts
Racial and ethnic minority status38more vulnerable than 38% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

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

97602 Klamath Falls, OR6 km away
97634 Midland, OR10.4 km away
97601 Klamath Falls, OR13.6 km away
97625 Dairy, OR17.4 km away
97627 Keno, OR18.5 km away
97633 Merrill, OR20.8 km away
97632 Malin, OR31.4 km away
97623 Bonanza, OR32.7 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.

Klamath County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area340.62 sq mi
Water area5.03 sq mi
Population density95 people per sq mi
Latitude, longitude42.1919, -121.7241

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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