Teton County, Idaho
4 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Teton: B.
This ZIP looks solid, with a few items worth a quick check.
The 4 water systems serving Teton County show strong compliance with federal drinking water standards.
How Teton County Compares
How Teton County Compares
Teton County scores 8 points above the Idaho state average (66/100) and 6 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
Key Risk Factors
Health risk index: 11 (asthma 10%, diabetes 9.2%)
Estimated additional annual cost per homeowner: $768, driven primarily by wildfire
Infrastructure: 0.283% avg pipe failure probability
38.3% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $768
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,958 housing units in Teton 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 Teton County
Remediation costs are relatively manageable for most homeowners in Teton 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 Teton County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Teton County
8 community water systems serving Teton County.
- B
- B
- B
- B
- B
- B
Show all 8 water systems
- B
- B
9 total water systems serve Teton County.
Systems with the most violations in Teton County
3 water systems with recorded EPA violations.
- B
- B
- B
All ZIP Codes in Teton County
4 ZIP codes tracked in Teton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83455 | Victor | 82 | B | 7 (1 health) | $709K |
| 2 | 83422 | Driggs | 81 | B | 1 | $472K |
| 3 | 83452 | Tetonia | 81 | B | 1 | $436K |
| 4 | 83424 | Felt | 53 | D | 0 | — |
Recommended Buyer Guides for Teton County
While many sites publish identical guide lists across every county they cover, the selection here changes by location - driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Teton County in Idaho covers 4 ZIP codes with an average Home Safety Score of B (74/100).
3 of 4 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Idaho water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.