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/MAD-RIVER

Mad River ZIP code, California

The ZIP code for Mad River, CA is 95552, and its area code is 707.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
272
Area code
707

Mail addressed to Mad River uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Mad River in numbers

About 272 people live in Mad River, in 114 households. The median owner-occupied home is valued at $253,700 (65% below the California median). The median age is 59.1; 10.0% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 10 minutes.

Population272Mad River272
Households114Mad River114
Median age59.1Mad River59.1California37.9US 38.9
Median home value$253,700Mad River$253,700California$734,700US $332,700
Bachelor's degree or higher10.0%Mad River10.0%California37.1%US 35.7%
Mean commute10.0 minMad River10.0 minCalifornia28.7 minUS 26.4 min
Population density8 / sq miMad River8 / sq mi

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

ZIP codes addressed as Mad River

ZIP codes with the USPS city name Mad River
ZIP City Type Population Median income Median home
95552 Mad River , CA Standard 586 $77,796 —

Other ZIP codes overlapping Mad River

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

ZIP codes overlapping Mad River
ZIP City Type Population Median income Median home
95526 Bridgeville , CA Standard 745 $39,583 $280,600

Map of Mad River ZIP codes

The ZIP codes of Mad River, 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 Mad River

The nearest larger towns are Ruth (480 people, 12 mi), Hayfork (2,537 people, 22 mi) and Miranda (513 people, 22 mi).

Towns near Mad River
TownPopulationDistance
Hayfork 2,537 21.7 mi

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

Cite this page

zipcodes.pro. “Mad River, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/mad-river

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