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ZIP Code 57221 - Bryant South Dakota

Overview

ZIP Code 57221 is located in Bryant South Dakota. Portions of 57221 are also in Garfield Township (Hamlin County) and Dixon Township (Hamlin County) and Cleveland Township (Hamlin County) and Washington Township (Clark County) and Opdahl Township and Spirit Lake Township and Hartland Township (Kingsbury County). 57221 is primarily within Hamlin County, with some portions in Clark County and Kingsbury County. Regionally, 57221 is located in the Sioux Falls Area.

ZIP Code 57221 Quick Stats

ZIP Code NameBryant
Primary CountyHamlin County
ZIP Code TypeStandard
Population (2022)1,020
Area Code(s)605
Current Time
CDT

ZIP Code 57221 Map

Map of ZIP Code 57221 in Bryant, SD — click to open interactive map

57221 Demographics

57221 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in South Dakota based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 57221 is White. The current unemployment level in 57221 is 2.2%.

Population1,020
Population Growth Rate32.48%
Population Density10 People per Square Mile
Total Households278
Percentage High Income Households10.8%
Median Household Income (2021)$70,781
Average Adjusted Gross Income (2021)$196,850
Current Unemployment Rate (May 2026)2.2%
Sales Tax Rate (2025)6.2%
Majority Race/EthnicityWhite - 92.65%

57221 Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White97192.65%
Black30.29%
Hispanic747.06%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

57221 Educational Attainment Levels

Highest Education LevelTotalPercentage
Less Than 1 Year of College112.81%
Bachelor Degree174.34%
High School Diploma23259.18%
No High School Diploma82.04%
GED or Alternate194.85%
1 or More Years of College6115.56%
Associates Degree4110.46%
Masters Degree10.26%
Professional Degree20.51%
Doctorate Degree00%

57221 Geography

Coordinates44.60625458, -97.43512726
Adjacent ZIP Codes
Cities/Towns in 57221
RegionSioux Falls Area
Metropolitan/Micropolitan Stat AreaWatertown, SD
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area99 Square Miles

57221 Weather and Climate Data

Plant Hardiness ZoneZone 4b: -25F to -20F
Average First Frost DateSeptember 21 - 31
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion46k - Prairie Coteau
57221 Annual Climate Data
JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)18203345556058473520732
Avg Max Temp (°F)21283956697783817258382554
Avg Precip (In.).6.611.462.423.14.043.472.92.311.951.17.4324.45

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