Gallatin County, Montana
14 ZIP codes · Avg score 65/100 · Grade C · Updated
ZipCheckup grade for Gallatin County: C.
A mixed picture - some signals here are worth your attention.
While Gallatin County avoids the worst tiers, a portion of its 14 ZIP codes have logged violations.
How Gallatin County Compares
How Gallatin County Compares
Gallatin County scores 0 points above the Montana state average (65/100) and 8 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: Gallatin County, Montana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 9.2 (asthma 10.7%, diabetes 6.7%)
Estimated additional annual cost per homeowner: $709, driven primarily by flood
41.1% 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
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: $709
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
55,438 housing units in Gallatin 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 Gallatin County
Remediation costs are relatively manageable for most homeowners in Gallatin 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 Gallatin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Gallatin County
8 community water systems serving Gallatin County.
- C
- C
- C
- C
- C
- C
Show all 8 water systems
- C
- C
11 total water systems serve Gallatin County.
Systems with the most violations in Gallatin County
5 water systems with recorded EPA violations.
- C
- C
- C
- C
- C
All ZIP Codes in Gallatin County
14 ZIP codes tracked in Gallatin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 59715 | Bozeman | 66 | C | 3 | $755K |
| 2 | 59716 | Big Sky | 66 | C | 1 | $869K |
| 3 | 59718 | Bozeman | 66 | C | 1 | $580K |
| 4 | 59714 | Belgrade | 63 | C | 10 | $490K |
| 5 | 59717 | Bozeman | — | — | — | |
| 6 | 59719 | Bozeman | — | — | — | |
| 7 | 59730 | Gallatin Gateway | — | — | 1 | $818K |
| 8 | 59741 | Manhattan | — | — | $562K | |
| 9 | 59752 | Three Forks | — | — | $427K | |
| 10 | 59758 | West Yellowstone | — | — | $477K | |
| 11 | 59760 | Willow Creek | — | — | $239K | |
| 12 | 59771 | Bozeman | — | — | — | |
| 13 | 59772 | Bozeman | — | — | — | |
| 14 | 59773 | Bozeman | — | — | — |
Recommended Buyer Guides for Gallatin County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- 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 Gallatin County, Montana
Overview
Gallatin County in Montana covers 14 tracked ZIP records with an average Home Safety Score of C (65/100) across 4 scored records.
5 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.
← Back to Montana 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.