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/RELIANCE

Reliance ZIP code, South Dakota

The ZIP code for Reliance, SD is 57569, and its area code is 605.

USPS city name
1 ZIP code
Population
211
Area code
605

Reliance in numbers

About 211 people live in Reliance, in 49 households. The median household income is $55,313 a year, 26% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $123,200 (52% below the South Dakota median). The median age is 25.4; 42.7% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 19 minutes.

Population211Reliance211
Households49Reliance49
Median age25.4Reliance25.4South Dakota38.0US 38.9
Median household income$55,313Reliance$55,313South Dakota$75,081US $80,734
Median home value$123,200Reliance$123,200South Dakota$257,400US $332,700
Bachelor's degree or higher42.7%Reliance42.7%South Dakota31.9%US 35.7%
Mean commute19.3 minReliance19.3 minSouth Dakota17.8 minUS 26.4 min
Population density194 / sq miReliance194 / sq mi

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

ZIP codes addressed as Reliance

ZIP codes with the USPS city name Reliance
ZIP City Type Population Median income Median home
57569 Reliance , SD Standard 497 $74,722 $124,200

Map of Reliance ZIP codes

The ZIP codes of Reliance, 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 Reliance

The nearest larger towns are Oacoma (548 people, 13 mi), Kennebec (296 people, 13 mi) and Lower Brule (743 people, 13 mi).

Towns near Reliance
TownPopulationDistance
Chamberlain 2,588 14.7 mi

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

Cite this page

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

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