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/CA/WILLOW-CREEK

Willow Creek ZIP code, California

The ZIP code for Willow Creek, CA is 95573, and its area code is 530.

USPS city name
1 ZIP code
Population
1,076
Area code
530

Willow Creek in numbers

About 1,076 people live in Willow Creek, in 615 households. The median household income is $47,137 a year, 52% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $389,500 (47% below the California median). The median age is 60.7; 33.0% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 10 minutes.

Population1,076Willow Creek1,076
Households615Willow Creek615
Median age60.7Willow Creek60.7California37.9US 38.9
Median household income$47,137Willow Creek$47,137California$99,122US $80,734
Median home value$389,500Willow Creek$389,500California$734,700US $332,700
Bachelor's degree or higher33.0%Willow Creek33.0%California37.1%US 35.7%
Mean commute10.0 minWillow Creek10.0 minCalifornia28.7 minUS 26.4 min
Population density35 / sq miWillow Creek35 / sq mi

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

ZIP codes addressed as Willow Creek

ZIP codes with the USPS city name Willow Creek
ZIP City Type Population Median income Median home
95573 Willow Creek , CA Standard 1,089 $47,258 $388,100

Map of Willow Creek ZIP codes

95573

The ZIP codes of Willow Creek, CA, 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 Willow Creek

The nearest larger towns are Hoopa (2,233 people, 10 mi), McKinleyville (17,113 people, 23 mi) and Arcata (18,607 people, 23 mi).

Towns near Willow Creek
TownPopulationDistance
McKinleyville 17,113 22.8 mi
Arcata 18,607 23.3 mi
Myrtletown 5,322 27.6 mi
Eureka 26,010 28.5 mi
Cutten 3,550 28.9 mi

More nearby: every ZIP code in Humboldt County · California ZIP codes

Cite this page

zipcodes.pro. “Willow Creek, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/willow-creek

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