Zip Code 57730
SD · Population: 5,809
About Zip Code 57730
Zip code 57730 is located in South Dakota and is home to approximately 5,809 residents. It receives an overall grade of B+ (score: 78/100), based on safety, affordability, quality of life, and employment metrics.
Crime rates here are below the national average, suggesting a relatively safe community.
With a median household income of $76,667 and home values around $286,300, this zip code offers strong affordability. Residents typically spend a manageable share of their income on housing.
About 33.9% of adults have a college degree, roughly in line with national averages.
The local job market is strong, with an unemployment rate of just 2.7%.
Scores are percentile-based: a score of 85 means this zip code ranks better than 85% of all US zip codes on that dimension. Data is sourced from the US Census Bureau (ACS 5-year estimates) and the FBI Uniform Crime Report.
Demographics & Economics
Score Breakdown
| Dimension | Score | Grade | Interpretation |
|---|---|---|---|
| Safety | 78 | B+ | Lower crime = higher score |
| Affordability | 83 | A | Lower cost relative to income = higher |
| Quality of Life | 71 | B+ | Education, commute, ownership |
| Jobs & Economy | 82 | A | Lower unemployment = higher |
| Overall | 78 | B+ | Weighted average |
Methodology
All scores are percentile-based (0–100): a score of 85 means this zip code ranks better than 85% of all US zip codes on that metric. Safety uses FBI Uniform Crime Report state-level data (Phase 2 will add zip-level granularity). Economic and demographic data is from the US Census Bureau American Community Survey (ACS) 5-year estimates (2022).