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/SD/CHAMBERLAIN

Chamberlain ZIP codes, South Dakota

Chamberlain, SD has 2 ZIP codes (57325 and 57326) and area code 605. The largest is 57325.

USPS city name
2 ZIP codes
Population
2,588
Area code
605

Chamberlain in numbers

About 2,588 people live in Chamberlain, in 925 households, the 34th-largest of South Dakota's 439 census places. The median household income is $76,761 a year, about the same as the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $224,300 (13% below the South Dakota median), and median gross rent is $818 a month. The median age is 43.0; 33.3% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 14 minutes.

Population2,588Chamberlain2,588
Households925Chamberlain925
Median age43.0Chamberlain43.0South Dakota38.0US 38.9
Median household income$76,761Chamberlain$76,761South Dakota$75,081US $80,734
Median home value$224,300Chamberlain$224,300South Dakota$257,400US $332,700
Median gross rent$818Chamberlain$818South Dakota$946US $1,413
Bachelor's degree or higher33.3%Chamberlain33.3%South Dakota31.9%US 35.7%
Mean commute13.9 minChamberlain13.9 minSouth Dakota17.8 minUS 26.4 min
Population density578 / sq miChamberlain578 / sq mi

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

ZIP codes addressed as Chamberlain

ZIP codes with the USPS city name Chamberlain
ZIP City Type Population Median income Median home
57325 Chamberlain , SD Standard 3,335 $80,139 $230,300
57326 Chamberlain , SD No street area — — —

Map of Chamberlain ZIP codes

The ZIP codes of Chamberlain, SD, 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 Chamberlain

The nearest larger towns are Winner (2,905 people, 39 mi), Pierre (13,948 people, 63 mi) and Mitchell (15,649 people, 64 mi).

More nearby: every ZIP code in Brule County · South Dakota ZIP codes

Cite this page

zipcodes.pro. “Chamberlain, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/chamberlain

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