Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/OR/COUNTY/UMATILLA

Umatilla County, OR ZIP codes

There are 13 ZIP codes in Umatilla County, OR, in 13 towns, from 97801 to 97886. The largest are 97838 (Hermiston), 97801 (Pendleton) and 97862 (Milton Freewater).

The county seat is Pendleton.

ZIP codes
13
Towns
13
County seat
Pendleton
County FIPS
41059
State
Oregon
Population
79,940
Median household income
$67,728
Land area
3,215 sq mi
Area codes
458, 541

Umatilla County ZIP codes by town

Pendleton (county seat)
97801

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Umatilla County ZIP codes

The ZIP codes of Umatilla County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Umatilla County in numbers

About 79,940 people live in Umatilla County, in 28,707 households, the 14th most populous of Oregon's 36 counties. The median household income is $67,728 a year, 18% below the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $282,600 (41% below the Oregon median), and median gross rent is $997 a month. The median age is 36.9; 18.3% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon); the average commute takes 19 minutes.

Population79,940Umatilla79,940
Households28,707Umatilla28,707
Median age36.9Umatilla36.9Oregon40.4US 38.9
Median household income$67,728Umatilla$67,728Oregon$83,011US $80,734
Median home value$282,600Umatilla$282,600Oregon$477,600US $332,700
Median gross rent$997Umatilla$997Oregon$1,525US $1,413
Bachelor's degree or higher18.3%Umatilla18.3%Oregon36.8%US 35.7%
Mean commute19.1 minUmatilla19.1 minOregon23.0 minUS 26.4 min
Population density25 / sq miUmatilla25 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Umatilla County

Largest towns in Umatilla County
TownZIP codesPopulation
Hermiston 1 19,546
Pendleton 1 16,950
Umatilla 1 7,508
Milton Freewater 1 7,036
Stanfield 1 1,902
Athena 1 1,377
Pilot Rock 1 1,283
Echo 1 494
Helix 1 471
Weston 1 443
Adams 1 292
Ukiah 1 177
Meacham 1 32

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Umatilla County.

Not sure you are in Umatilla County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Umatilla County, with figures

ZIP codes in Umatilla County
ZIP City Type Population Median income Median home
97801 Pendleton , OR Standard 21,575 $71,639 $293,000
97810 Adams , OR Standard 759 $68,654 $281,300
97813 Athena , OR Standard 1,508 $75,700 $241,200
97826 Echo , OR Standard 1,178 $58,750 $423,700
97835 Helix , OR Standard 608 $132,292 $232,600
97838 Hermiston , OR Standard 28,512 $69,599 $306,500
97859 Meacham , OR Standard 95 $61,250 $173,300
97862 Milton Freewater , OR Standard 12,313 $54,786 $274,900
97868 Pilot Rock , OR Standard 1,598 $91,813 $218,200
97875 Stanfield , OR Standard 2,410 $57,451 $208,900
97880 Ukiah , OR Standard 248 — —
97882 Umatilla , OR Standard 7,976 $69,223 $244,800
97886 Weston , OR Standard 1,221 $92,955 $252,500

Cite this page

zipcodes.pro. “Umatilla County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/or/county/umatilla

Underlying data is public domain or openly licensed — sources, vintages and licences.