Hill County, Montana
7 ZIP codes · Avg score 65/100 · Grade C · Updated
ZipCheckup grade for Hill County: C.
A mixed picture - some signals here are worth your attention.
Within Hill County, 7 tracked ZIP codes reveal moderate water quality - national standards are generally met, with some documented exceptions.
How Hill County Compares
How Hill County Compares
Hill 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: Hill County, Montana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.3 (asthma 12.2%, diabetes 12.1%)
Estimated additional annual cost per homeowner: $1,100, driven primarily by flood
80.4% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Hill County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 4 violations. Past 5 years: 8 total (8 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: $1,100
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,536 housing units in Hill 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 Hill County
Remediation costs are relatively manageable for most homeowners in Hill 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 Hill County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Hill County
2 community water systems serving Hill County.
- C
- C
Systems with the most violations in Hill County
2 water systems with recorded EPA violations.
- C
- C
All ZIP Codes in Hill County
7 ZIP codes tracked in Hill County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 59501 | Havre | 65 | C | 9 (2 health) | $202K |
| 2 | 59521 | Box Elder | — | — | $68K | |
| 3 | 59525 | Gildford | — | — | — | |
| 4 | 59528 | Hingham | — | — | $133K | |
| 5 | 59530 | Inverness | — | — | $141K | |
| 6 | 59532 | Kremlin | — | — | — | |
| 7 | 59540 | Rudyard | — | — | $100K |
Recommended Buyer Guides for Hill County
Four sources - EPA, NSF, FEMA, CDC - drive the match.
- Best Lead Paint Test Kits — 80.4% 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 Hill County, Montana
Overview
Hill County in Montana covers 7 tracked ZIP records with an average Home Safety Score of C (65/100) across 1 scored records.
1 of 1 ZIP code with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
← 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.