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 — CITY/OR/KNAPPA

Knappa ZIP codes, Oregon

No ZIP code is named for Knappa, OR; addresses there use a neighbouring town's name. The ZIP code covering it is 97103. Its area codes are 503 and 971.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
806
Area codes
503, 971
State
Oregon

Knappa in numbers

About 806 people live in Knappa, in 309 households. The median household income is $96,641 a year, 16% above the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $442,100 (7% below the Oregon median). The median age is 38.0; 9.8% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon); the average commute takes 30 minutes.

Population806Knappa806
Households309Knappa309
Median age38.0Knappa38.0Oregon40.4US 38.9
Median household income$96,641Knappa$96,641Oregon$83,011US $80,734
Median home value$442,100Knappa$442,100Oregon$477,600US $332,700
Bachelor's degree or higher9.8%Knappa9.8%Oregon36.8%US 35.7%
Mean commute30.3 minKnappa30.3 minOregon23.0 minUS 26.4 min
Population density390 / sq miKnappa390 / sq mi

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

ZIP codes covering Knappa

These ZIP codes cover part of Knappa but are addressed as somewhere else.

ZIP codes overlapping Knappa
ZIP City Type Population Median income Median home
97103 Astoria , OR Standard 17,993 $75,147 $460,100

Map of Knappa ZIP codes

97103

The ZIP codes of Knappa, OR, 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.

Towns near Knappa

The nearest larger towns are Puget Island, WA (1,008 people, 9.5 mi), East Cathlamet, WA (934 people, 11 mi) and Astoria (10,109 people, 11 mi).

Towns near Knappa
TownPopulationDistance
Astoria 10,109 11.3 mi
Warrenton 6,327 16.7 mi
Seaside 7,192 20.6 mi
Vernonia 2,786 28.5 mi
Longview, WA 38,069 29.5 mi
Longview Heights, WA 4,357 30.0 mi

More nearby: every ZIP code in Clatsop County · Oregon ZIP codes

Cite this page

zipcodes.pro. “Knappa, OR ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/or/knappa

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