Home > SD > Day County > Grenville > Zip 57239

Zip Code 57239 — Grenville, SD

ZIP Code 57239 is associated with Grenville, SD, in Day County. The listed population estimate is 358; estimated density is 3.1 people per square mile. Among records with population estimates, it ranks #4 of 7 in Day County and #244 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.512230, -97.309380)

Data MetricLocal Statistic
Postal / Zip Code57239
Primary CityGrenville
State / ProvinceSD
CountyDay
Total Population358
Population Density3.1 people/sq mi
TimezoneAmerica/Chicago

How 57239 Compares

MetricZIP 57239Day County recordsSD records
Population estimate3585,426 (sum)906,188 (sum)
Population Density3.1 /sq mi----
County population rank#4 of 7----
State population rank#244 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 57232Eden8.1 mi651
ZIP 57261Roslyn9.2 mi277
ZIP 57273Waubay12.5 mi1,165
ZIP 57257Peever13.6 mi637
ZIP 57247Lake City15.9 mi211

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 →