Zip Code 57426 — Barnard, SD

ZIP Code 57426 is associated with Barnard, SD, in Brown County. The listed population estimate is 42; estimated density is 2.7 people per square mile. Among records with population estimates, it ranks #13 of 13 in Brown County and #362 of 372 in SD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.734850, -98.493600)

Data MetricLocal Statistic
Postal / Zip Code57426
Primary CityBarnard
State / ProvinceSD
CountyBrown
Total Population42
Population Density2.7 people/sq mi
TimezoneAmerica/Chicago

How 57426 Compares

MetricZIP 57426Brown County recordsSD records
Population estimate4237,902 (sum)906,188 (sum)
Population Density2.7 /sq mi----
County population rank#13 of 13----
State population rank#362 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 57441Frederick6.2 mi670
ZIP 57481Westport10.2 mi271
ZIP 57433Columbia10.5 mi318
ZIP 57449Houghton15.3 mi357
ZIP 57401Aberdeen18.0 mi31,939

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 →