zipradar

County · SD

Pennington County, SD

ZIP-level federated summaries inside Pennington County, South Dakota. zipradar pulls property tax (county assessor), deeds (county recorder), water quality (EPA SDWIS), flood zones (FEMA NFHL), schools (NCES CCD), and crime (FBI UCR) at the county and ZIP level.

Last verified 2026-06-10 · methodology

57701
Geographic distribution of 1 live ZIP code in Pennington County, SD.

1 ZIP code live in Pennington County

Browse Pennington County by topic

South Dakota top concern

Radon Zone 1, agricultural water, tornadoes

South Dakota is uniformly Zone 1 radon. Agricultural runoff drives EPA SDWIS nitrate compliance pressure in small rural systems. Tornado risk peaks April-June.

See South Dakota state page for the full state-level rollup, plus all South Dakota counties.

Frequently asked questions

How many ZIP codes does zipradar cover in Pennington County, SD?

1 ZIP code is live in Pennington County, South Dakota today. Each ZIP page federates property tax (Pennington County assessor), deeds (Pennington County recorder), drinking water (EPA SDWIS), flood (FEMA NFHL), schools (NCES CCD), and crime (FBI UCR).

What data sources does zipradar use for Pennington County County?

Property tax + assessed values come from the Pennington County County Assessor's office. Deed activity comes from the Pennington County County Recorder. Zoning is sourced from county planning records. State-level overlays: EPA SDWIS (water), FEMA NFHL (flood), FBI UCR (crime), NCES CCD (schools), EPA Map of Radon Zones. Refresh cadence varies — see /methodology.

How are property tax and deeds different in Pennington County?

Property tax records are maintained by the Pennington County County Assessor (annual cycle, typically). Deeds are recorded by the Pennington County County Recorder (real-time on transaction). zipradar surfaces both at the ZIP level so you can spot assessment-vs-sale-price gaps and recent deed activity. See /learn for the full office-distinction explainer.

Does Pennington County have flood or wildfire risk?

Flood risk is mapped at the ZIP and parcel level via FEMA NFHL (National Flood Hazard Layer). Wildfire risk uses USFS Wildfire Risk to Communities data. Browse the per-ZIP pages above for Pennington County-specific exposure scores — each cites the FEMA flood-zone code (A, AE, X, etc.) or USFS risk percentile.

Read more on county-level data

How property tax, deeds, zoning, and schools work at the county level — the office distinctions, what data lags, and what each record actually means.