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zipcodes.pro — CITY/SD/BISON

Bison ZIP code, South Dakota

The ZIP code for Bison, SD is 57620, and its area code is 605.

USPS city name
1 ZIP code
Population
406
Area code
605

Bison in numbers

About 406 people live in Bison, in 188 households. The median household income is $71,607 a year, 5% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $82,000 (68% below the South Dakota median), and median gross rent is $932 a month. The median age is 43.0; 22.6% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 11 minutes.

Population406Bison406
Households188Bison188
Median age43.0Bison43.0South Dakota38.0US 38.9
Median household income$71,607Bison$71,607South Dakota$75,081US $80,734
Median home value$82,000Bison$82,000South Dakota$257,400US $332,700
Median gross rent$932Bison$932South Dakota$946US $1,413
Bachelor's degree or higher22.6%Bison22.6%South Dakota31.9%US 35.7%
Mean commute10.6 minBison10.6 minSouth Dakota17.8 minUS 26.4 min
Population density409 / sq miBison409 / sq mi

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

ZIP codes addressed as Bison

ZIP codes with the USPS city name Bison
ZIP City Type Population Median income Median home
57620 Bison , SD Standard 564 $90,500 $106,300

Map of Bison ZIP codes

57620

The ZIP codes of Bison, 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 Bison

The nearest larger towns are Lemmon (1,208 people, 32 mi), Hettinger, ND (1,250 people, 34 mi) and Dupree (557 people, 53 mi).

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

Cite this page

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

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