What is the largest city in Klamath County, OR?

Klamath Falls is the largest city or town in Klamath County, with about 22,115 residents.

How many ZIP codes are in Klamath County?

Klamath County includes 17 ZIP Code Tabulation Areas, including 97601, 97603, 97604, 97621, 97622.

What is the population of Klamath County, OR?

About 70,247 people live in Klamath County, based on American Community Survey 5-year estimates.

What counties border Klamath County?

Klamath County borders Lane County, Jackson County, Deschutes County, Douglas County, Siskiyou County, CA, Modoc County, CA, Lake County.

Klamath County, OR: Cities, ZIP Codes & Local Data

Population

70,247

Land area

5,950sq mi

People per sq mi

12

ZIP codes

17

Klamath County at a glance

Klamath County is 73% less dense than Oregon as a whole.
Households here earn a median of $58,830 a year, 29% less than the Oregon figure of $83,011.
A typical owner-occupied home is valued at $280,400 (41% below Oregon) and median rent is $991 a month.
The biggest population centers are Klamath Falls (22,115), Altamont (19,927) and Keno (1,651).

Local data for Klamath County, OR

Counts from official public data

Housing and community stats

Klamath County, OR, American Community Survey 2020-2024

Full profile

Median household income

$58,830

Poverty rate

18.3%

Median home value

$280,400

Prices +1.4% in a year

Median rent

$991/mo

Homeownership

69.4%

Bachelor's or higher

22.7%

Median age

41.3

Average commute

17.9 min

Largest reported origins and ancestries: German Americans (10,939), Mexican Americans (8,214), Irish Americans (8,146).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

6.8%

Aug 2026, -0.4 pts in a year

Average annual pay

$54,944

23,884 jobs, 2025

Income per person

$54,476

BEA, 2024

Federal spending

$623M

FY 2026, $8,981 per person

PPP loans

$87.02M

1,502 loans, 11,522 jobs reported

Campaign donations

$219K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Klamath County, OR, workers 16 and older. American Community Survey 5-year estimates

Drove alone77.5%
Carpooled8.8%
Public transit0.2%
Walked3.2%
Bicycle0.5%
Taxi, ride-hailing, motorcycle or other1.0%
Worked from home8.8%

Average one-way commute: 17.9 minutes for people who do not work from home.

Environment and hazard risk

Klamath County, OR, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: earthquake

Storm events since 1996

829

Most often heavy snow

Flood insurance policies

51

0.2% of homes, county

July high / Jan low

85° / 19°F

21.1 inches of rain a year

Hazards, floods and storm history Check a flood zone 22 historic places

Health statistics

Share of adults in Klamath County, OR, CDC PLACES estimates

All 40 measures

Obesity

37.9%

U.S. 33.3% +4.6 pts

Diabetes

14.1%

U.S. 12.1% +2.0 pts

Smoking

15.1%

U.S. 12.8% +2.3 pts

Uninsured (18-64)

10.3%

U.S. 11.1% -0.8 pts

Cities, towns and ZIP codes in Klamath County

Population shown

Frequently asked questions

What is the largest city in Klamath County, OR?: Klamath Falls is the largest city or town in Klamath County, with about 22,115 residents.
How many ZIP codes are in Klamath County?: Klamath County includes 17 ZIP Code Tabulation Areas, including 97601, 97603, 97604, 97621, 97622.
What is the population of Klamath County, OR?: About 70,247 people live in Klamath County, based on American Community Survey 5-year estimates.
What counties border Klamath County?: Klamath County borders Lane County, Jackson County, Deschutes County, Douglas County, Siskiyou County, CA, Modoc County, CA, Lake County.