COUNTY REPORT MT

Ravalli County, Montana

9 ZIP codes · Avg score 67/100 · Grade C · Updated

ZipCheckup grade for Ravalli County: C.

A mixed picture - some signals here are worth your attention.

Within Ravalli County, safety data across 9 ZIP codes suggests a fair but uneven system - violations are present and worth checking at the ZIP level.

How Ravalli County Compares

Ravalli County67/100
Montana avg65/100
National avg73/100

How Ravalli County Compares

C
County Grade
67/100
Avg Safety Score
9
ZIP Codes
1
Water Systems

Ravalli County scores 2 points above the Montana state average (65/100) 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:

C
County Grade
67
Avg Safety Score
9
ZIP Codes
Best ZIP: 59840 (67/100)
Lowest ZIP: 59840 (67/100)
$435K
Median Home Value
$2,289
Avg Remediation (53% of home value)

ZIP Code Risk Map

Water Quality Map: Ravalli County, Montana

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 12.9 (asthma 10.5%, diabetes 10.4%)

Estimated additional annual cost per homeowner: $1,978, driven primarily by wildfire

53% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.5% (national: 8.9%)
Diabetes 10.4% (national: 10.5%)
Obesity 31.9% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1983
Median Build Year
53%
Pre-1978 Housing
39/100
Infrastructure Stress Indicator
38%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

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: $1,978

Wildfire $1,200/yr
Flood $314/yr
Energy Code Gap $248/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

18,982 housing units in Ravalli County

Pre-1940 12%
1940–1959 8%
1960–1979 24%
1980–1999 31%
2000+ 25%

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 Ravalli County

$435K
Median Home Value
$2,289
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Ravalli 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 Ravalli County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 10.4% (US avg: 11%)
Obesity 31.9% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Ravalli County

1 community water system serving Ravalli County.

All ZIP Codes in Ravalli County

9 ZIP codes tracked in Ravalli County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59840 Hamilton 67 C 0 $399K
2 59827 Conner $482K
3 59828 Corvallis $429K
4 59829 Darby $401K
5 59835 Grantsdale
6 59841 Pinesdale $198K
7 59870 Stevensville $466K
8 59871 Sula $441K
9 59875 Victor $460K

Recommended Buyer Guides for Ravalli County

Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.

Overview

Ravalli County in Montana covers 9 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 1 ZIP code with a reported violation count.

← Back to Montana Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Ravalli County?
Ravalli County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Ravalli County?
Ravalli County is served by 1 public water system that supplies drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Ravalli County?
The primary environmental risk factor in Ravalli County is wildfire. This contributes to an estimated additional annual cost of $1,978 per homeowner.
How old are homes in Ravalli County?
The median home build year in Ravalli County is 1983. 53% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Ravalli County compare to Montana?
Ravalli County has an average Home Safety Score of 67/100 under model 4.0.0, which is above the Montana state average of 65/100.

How to cite this page

APA ZipCheckup. (2026). Ravalli County, MT: HSS 67/100; High Radon Risk. https://zipcheckup.com/county/montana/ravalli/
BibTeX
@misc{zipcheckup-county-montana-ravalli,
  author = {{ZipCheckup}},
  title  = {{Ravalli County, MT: HSS 67/100; High Radon Risk}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/montana/ravalli/}
}

Page version: August 2026.

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