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/ELDRIDGE

Eldridge ZIP code, California

The ZIP code for Eldridge, CA is 95431, and its area codes are 707 and 369.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
1,379
Area codes
707, 369

NANPA lists no telephone rate centre for Eldridge itself, so these are the area codes of the nearest one, Kenwood (5.7 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Eldridge uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Eldridge in numbers

About 1,379 people live in Eldridge, in 493 households. The median household income is $121,938 a year, 23% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $766,800 (4% above the California median), and median gross rent is $1,968 a month. The median age is 41.7; 28.1% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 29 minutes.

Population1,379Eldridge1,379
Households493Eldridge493
Median age41.7Eldridge41.7California37.9US 38.9
Median household income$121,938Eldridge$121,938California$99,122US $80,734
Median home value$766,800Eldridge$766,800California$734,700US $332,700
Median gross rent$1,968Eldridge$1,968California$2,036US $1,413
Bachelor's degree or higher28.1%Eldridge28.1%California37.1%US 35.7%
Mean commute28.8 minEldridge28.8 minCalifornia28.7 minUS 26.4 min
Population density2,115 / sq miEldridge2,115 / sq mi

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

ZIP codes addressed as Eldridge

ZIP codes with the USPS city name Eldridge
ZIP City Type Population Median income Median home
95431 Eldridge , CA Standard 43 — —

Other ZIP codes overlapping Eldridge

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

ZIP codes overlapping Eldridge
ZIP City Type Population Median income Median home
95442 Glen Ellen , CA Standard 3,449 $164,750 $1,328,100
95476 Sonoma , CA Standard 35,196 $105,374 $896,900

Map of Eldridge ZIP codes

95431

The ZIP codes of Eldridge, 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 Eldridge

The nearest larger towns are Fetters Hot Springs-Agua Caliente (3,347 people, 1.1 mi), Boyes Hot Springs (7,247 people, 1.8 mi) and El Verano (3,443 people, 2.6 mi).

Towns near Eldridge
TownPopulationDistance
Fetters Hot Springs-Agua Caliente 3,347 1.1 mi
Boyes Hot Springs 7,247 1.8 mi
El Verano 3,443 2.6 mi
Sonoma 10,670 3.9 mi
Yountville 3,348 8.7 mi
Petaluma 59,247 9.2 mi
Rohnert Park 44,575 10.6 mi
Cotati 7,489 11.0 mi
Napa 78,239 11.4 mi
St. Helena 5,318 12.5 mi
Santa Rosa 177,090 13.3 mi
Angwin 2,931 17.1 mi
American Canyon 21,691 17.1 mi
Novato 52,546 17.3 mi

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

Cite this page

zipcodes.pro. “Eldridge, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/eldridge

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