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Zip Code 57269 — Twin Brooks, SD

ZIP Code 57269 is associated with Twin Brooks, SD, in Grant County. The listed population estimate is 186; estimated density is 0.8 people per square mile. Among records with population estimates, it ranks #9 of 10 in Grant County and #312 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.222730, -96.801820)

Data MetricLocal Statistic
Postal / Zip Code57269
Primary CityTwin Brooks
State / ProvinceSD
CountyGrant
Total Population186
Population Density0.8 people/sq mi
TimezoneAmerica/Chicago

How 57269 Compares

MetricZIP 57269Grant County recordsSD records
Population estimate1868,747 (sum)906,188 (sum)
Population Density0.8 /sq mi----
County population rank#9 of 10----
State population rank#312 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 57251Marvin7.6 mi228
ZIP 57264Stockholm7.9 mi191
ZIP 57252Milbank9.4 mi4,883
ZIP 57227Corona10.4 mi562
ZIP 57263South Shore11.4 mi351

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 →