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/BETHEL-ISLAND

Bethel Island ZIP code, California

The ZIP code for Bethel Island, CA is 94511.

USPS city name
1 ZIP code
Population
1,864

Bethel Island in numbers

About 1,864 people live in Bethel Island, in 863 households. The median household income is $74,972 a year, 24% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $682,700 (7% below the California median), and median gross rent is $1,606 a month. The median age is 56.6; 18.9% of adults 25 and over hold a bachelor's degree or higher (37.1% across California).

Population1,864Bethel Island1,864
Households863Bethel Island863
Median age56.6Bethel Island56.6California37.9US 38.9
Median household income$74,972Bethel Island$74,972California$99,122US $80,734
Median home value$682,700Bethel Island$682,700California$734,700US $332,700
Median gross rent$1,606Bethel Island$1,606California$2,036US $1,413
Bachelor's degree or higher18.9%Bethel Island18.9%California37.1%US 35.7%
Population density355 / sq miBethel Island355 / sq mi

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

ZIP codes addressed as Bethel Island

ZIP codes with the USPS city name Bethel Island
ZIP City Type Population Median income Median home
94511 Bethel Island , CA Standard 1,864 $74,972 $682,700

Map of Bethel Island ZIP codes

94511

The ZIP codes of Bethel Island, 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 Bethel Island

The nearest larger towns are Oakley (45,183 people, 4.1 mi), Knightsen (2,264 people, 4.7 mi) and Brentwood (65,208 people, 8.0 mi).

Towns near Bethel Island
TownPopulationDistance
Oakley 45,183 4.1 mi
Brentwood 65,208 8.0 mi
Discovery Bay 14,911 8.5 mi
Antioch 116,477 9.7 mi
Rio Vista 10,102 11.0 mi
Pittsburg 76,257 14.6 mi
Lincoln Village 4,241 16.2 mi
Country Club 10,161 16.3 mi
Clayton 10,937 17.4 mi
Stockton 322,326 17.8 mi
Bay Point 24,231 18.1 mi
Mountain House 25,513 18.6 mi
Lodi 67,607 19.5 mi
Woodbridge 4,144 20.1 mi

More nearby: every ZIP code in Contra Costa County · California ZIP codes

Cite this page

zipcodes.pro. “Bethel Island, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/bethel-island

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