Home > SD > Roberts County > New Effington > Zip 57255

Zip Code 57255 — New Effington, SD

ZIP Code 57255 is associated with New Effington, SD, in Roberts County. The listed population estimate is 488; estimated density is 1.8 people per square mile. Among records with population estimates, it ranks #6 of 7 in Roberts County and #212 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.867020, -96.949850)

Data MetricLocal Statistic
Postal / Zip Code57255
Primary CityNew Effington
State / ProvinceSD
CountyRoberts
Total Population488
Population Density1.8 people/sq mi
TimezoneAmerica/Chicago

How 57255 Compares

MetricZIP 57255Roberts County recordsSD records
Population estimate4888,969 (sum)906,188 (sum)
Population Density1.8 /sq mi----
County population rank#6 of 7----
State population rank#212 of 372----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in SD

ZIP CodeCityDistancePopulation estimate
ZIP 57224Claire City10.6 mi164
ZIP 57260Rosholt11.4 mi1,119
ZIP 57262Sisseton14.5 mi5,100
ZIP 57270Veblen18.3 mi764
ZIP 57257Peever25.7 mi637

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →