Sheridan County, Wyoming
12 ZIP codes · Avg score 67/100 · Grade C · Updated
ZipCheckup grade for Sheridan County: C.
A mixed picture - some signals here are worth your attention.
Sheridan County: 12 ZIP codes, mid-range safety grade.
How Sheridan County Compares
How Sheridan County Compares
Sheridan County scores 4 points above the Wyoming state average (63/100) and 6 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Sheridan County, Wyoming
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.5 (asthma 10%, diabetes 10.9%)
Estimated additional annual cost per homeowner: $903, driven primarily by flood
57.7% of homes built before 1978 (lead paint era)
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Sheridan County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 1 violation. Past 5 years: 2 total (2 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $903
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,094 housing units in Sheridan County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Sheridan County
Remediation costs are relatively manageable for most homeowners in Sheridan County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Sheridan County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Sheridan County
2 community water systems serving Sheridan County.
- C
- C
All ZIP Codes in Sheridan County
12 ZIP codes tracked in Sheridan County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 82801 | Sheridan | 67 | C | 0 | $340K |
| 2 | 82831 | Arvada | — | — | — | |
| 3 | 82832 | Banner | — | — | $909K | |
| 4 | 82833 | Big Horn | — | — | 0 | $679K |
| 5 | 82835 | Clearmont | — | — | $350K | |
| 6 | 82836 | Dayton | — | — | $287K | |
| 7 | 82837 | Leiter | — | — | — | |
| 8 | 82838 | Parkman | — | — | $554K | |
| 9 | 82839 | Ranchester | — | — | $374K | |
| 10 | 82842 | Story | — | — | $360K | |
| 11 | 82844 | Wolf | — | — | — | |
| 12 | 82845 | Wyarno | — | — | $265K |
Recommended Buyer Guides for Sheridan County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 57.7% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Sheridan County, Wyoming
Overview
Sheridan County in Wyoming covers 12 tracked ZIP records with an average Home Safety Score of C (67/100) across 1 scored records.
The available EPA record reports 0 violations for 2 ZIP codes with a reported violation count.
← Back to Wyoming Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.