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Zip Code 57703 — Rapid City, SD

ZIP Code 57703 is associated with Rapid City, SD, in Pennington County. The listed population estimate is 18,013; estimated density is 53.6 people per square mile. Among records with population estimates, it ranks #3 of 9 in Pennington County and #14 of 372 in SD.

Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.003310, -103.045280)

Data Metric	Local Statistic
Postal / Zip Code	57703
Primary City	Rapid City
State / Province	SD
County	Pennington
Total Population	18,013
Population Density	53.6 people/sq mi
Timezone	America/Denver

How 57703 Compares

Metric	ZIP 57703	Pennington County records	SD records
Population estimate	18,013	103,728 (sum)	906,188 (sum)
Population Density	53.6 /sq mi	--	--
County population rank	#3 of 9	--	--
State population rank	#14 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

Other ZIP Codes in Rapid City (3 records)
Other ZIP Codes in Pennington County (9 records)
Other ZIP Codes in South Dakota (375 records)

Nearby ZIP Codes in SD

ZIP Code	City	Distance	Population estimate
ZIP 57706	Ellsworth Afb	10.9 mi	2,787
ZIP 57701	Rapid City	11.4 mi	45,795
ZIP 57725	Caputa	12.9 mi	130
ZIP 57744	Hermosa	15.7 mi	2,421
ZIP 57719	Box Elder	16.0 mi	12,221

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 →