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ZIP Code 57451 - Ipswich South Dakota

Overview

ZIP Code 57451 is located in Ipswich South Dakota. Portions of 57451 are also in Mina and Deerfield Colony and Pembrook Colony and Plainview Colony and Belle Township and Rosette Township and Powell Township and Cortlandt Township and Harmony Township (Edmunds County) and Fountain Township and Richland Township (Edmunds County) and Union Township (Edmunds County) and Ipswich Township and Huntley Township and Highland Township (Brown County) and Adrian Township and Kent Township and Clear Lake Township (Edmunds County) and Liberty Township (Edmunds County) and Pembrook Township and Mercier Township and Cleveland Township (Edmunds County). 57451 is primarily within Edmunds County, with some portions in Brown County. Regionally, 57451 is located in the Sioux Falls Area.

ZIP Code 57451 Quick Stats

ZIP Code NameIpswich
Primary CountyEdmunds County
ZIP Code TypeStandard
Population (2022)2,543
Area Code(s)605
Current Time
CDT

ZIP Code 57451 Map

Map of ZIP Code 57451 in Ipswich, SD — click to open interactive map

57451 Demographics

57451 can be classified socioeconomically as 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 57451 is White. The majority race/ethnicity attending public schools in 57451 is White. The current unemployment level in 57451 is 2.2%.

Population2,543
Population Growth Rate9.67%
Population Density6 People per Square Mile
Total Households856
Percentage High Income Households3%
Median Household Income (2021)$75,737
Average Adjusted Gross Income (2021)$500,480
Current Unemployment Rate (May 2026)2.2%
Sales Tax Rate (2025)6.2%
Majority Race/EthnicityWhite - 95.12%
Public School Majority Race/EthnicityWhite - 94.19%

57451 Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White2,35795.12%
Black10.04%
Hispanic692.78%
Asian30.12%
Native American481.94%
Hawaiian/Pac. Islander00%

57451 Public School Race/Ethnicity Breakdown

Race/EthnicityTotalPercentage
White37395.15%
Black41.02%
Hispanic92.3%
Asian30.77%
Native American30.77%
Hawaiian/Pac. Islander00%

57451 Educational Attainment Levels

Highest Education LevelTotalPercentage
Less Than 1 Year of College875.74%
Bachelor Degree27718.27%
High School Diploma50333.18%
No High School Diploma231.52%
GED or Alternate422.77%
1 or More Years of College22114.58%
Associates Degree20213.32%
Masters Degree1439.43%
Professional Degree181.19%
Doctorate Degree00%

57451 Geography

Coordinates45.43031693, -98.94100189
Adjacent ZIP Codes
57401574355743857456574605747157481
Cities/Towns in 57451
MinaDeerfield ColonyPembrook ColonyPlainview ColonyBelle TownshipRosette TownshipPowell TownshipCortlandt TownshipHarmony Township (Edmunds County)Fountain TownshipRichland Township (Edmunds County)Union Township (Edmunds County)Ipswich TownshipHuntley TownshipHighland Township (Brown County)Adrian TownshipKent TownshipClear Lake Township (Edmunds County)Liberty Township (Edmunds County)Pembrook TownshipMercier TownshipCleveland Township (Edmunds County)
RegionSioux Falls Area
Metropolitan/Micropolitan Stat AreaAberdeen, SD
Time ZoneCentral Daylight Time
IANA TimezoneAmerica/Chicago
Area442 Square Miles

57451 Schools

School Districts in 57451
Elementary Schools in 57451
Middle Schools in 57451
High Schools in 57451

57451 Weather and Climate Data

Plant Hardiness ZoneZone 4a: -30F to -25F
Average First Frost DateSeptember 21 - 31
Average Last Frost DateMay 11 - 20
Koppen-Geiger Climate ZoneDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion42a - Missouri Coteau
57451 Annual Climate Data
JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)18193244535856453319631
Avg Max Temp (°F)22294058717985857460392656
Avg Precip (In.).42.451.211.912.733.422.982.211.641.51.72.3119.5

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