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/CLEARLAKE-OAKS

Clearlake Oaks ZIP code, California

The ZIP code for Clearlake Oaks, CA is 95423, and its area codes are 707 and 369.

USPS city name
1 ZIP code
Population
2,198
Area codes
707, 369

Clearlake Oaks in numbers

About 2,198 people live in Clearlake Oaks, in 1,132 households. The median household income is $35,938 a year, 64% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $250,900 (66% below the California median), and median gross rent is $1,506 a month. The median age is 61.7; 12.2% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 20 minutes.

Population2,198Clearlake Oaks2,198
Households1,132Clearlake Oaks1,132
Median age61.7Clearlake Oaks61.7California37.9US 38.9
Median household income$35,938Clearlake Oaks$35,938California$99,122US $80,734
Median home value$250,900Clearlake Oaks$250,900California$734,700US $332,700
Median gross rent$1,506Clearlake Oaks$1,506California$2,036US $1,413
Bachelor's degree or higher12.2%Clearlake Oaks12.2%California37.1%US 35.7%
Mean commute19.6 minClearlake Oaks19.6 minCalifornia28.7 minUS 26.4 min
Population density1,111 / sq miClearlake Oaks1,111 / sq mi

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

ZIP codes addressed as Clearlake Oaks

ZIP codes with the USPS city name Clearlake Oaks
ZIP City Type Population Median income Median home
95423 Clearlake Oaks , CA Standard 3,513 $41,143 $293,600

Map of Clearlake Oaks ZIP codes

95423

The ZIP codes of Clearlake Oaks, 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 Clearlake Oaks

The nearest larger towns are Clearlake (16,659 people, 4.4 mi), Clearlake Riviera (4,122 people, 5.9 mi) and Lucerne (3,435 people, 6.6 mi).

Towns near Clearlake Oaks
TownPopulationDistance
Clearlake 16,659 4.4 mi
Clearlake Riviera 4,122 5.9 mi
Lucerne 3,435 6.6 mi
Kelseyville 4,011 10.0 mi
Nice 2,569 12.9 mi
North Lakeport 2,995 14.3 mi
Lakeport 5,113 14.3 mi
Hidden Valley Lake 5,872 16.2 mi
Cloverdale 8,886 24.8 mi
Williams 5,585 29.2 mi
Healdsburg 11,243 29.7 mi

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

Cite this page

zipcodes.pro. “Clearlake Oaks, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/clearlake-oaks

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