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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

BENNETT County, SD ZIP Codes

BENNETT County, SD Covers 3 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 57551GeneralMartin2,279Mountain605
ZIP Code 57574GeneralTuthill104Mountain605
ZIP Code 57714GeneralAllen872Mountain605

Population:3,431 (More Details)
Male Population:1,684
Female Population:1,747
Median Age:29
ZIP Codes:3
Area Codes:0
Total Area:1,191 square miles (county)
Land Area:1,185 square miles (county)
Water Area:6 square miles (county)

BENNETT, SD Demographic Information

* Demographic data is based on 2010 Census.

Total population of BENNETT County, SD3,431
Male population of BENNETT County, SD1,684
Female population of BENNETT County, SD1,747
Median age (years)28.7
White Population1,157
Black Population4
Indian Population2,109
Asian Population13
Hawaiian Population3
Hispanic Population67
Median age (Male)27.8
Median age (Female)29.5
Total households1,090
Family households (families)766
Average household size for BENNETT County, SD3.11
Average family size of BENNETT County, SD3.73
Total housing units for BENNETT County, SD1,263

BENNETT County, SD Covers 3 Cities