COUNTY REPORT MT

Valley County, Montana

11 ZIP codes · Home Safety Score unavailable · 0 of 11 tracked ZIP records scored

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

Unavailable
0 of 11 tracked ZIP records scored
11
ZIP Codes
$191K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Valley 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: 14 (asthma 11.3%, diabetes 11.6%)

Modeled additional annual cost estimate per homeowner: $866, largest modeled factor: Flood

78% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.3% (national: 8.9%)
Diabetes 11.6% (national: 10.5%)
Obesity 32.7% (national: 32.4%)

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

Infrastructure Overview

1963
Median Build Year
78%
Pre-1980 Housing
54/100
Infrastructure Stress Indicator
100%
ZIPs with High Infrastructure Stress
High
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $866

Flood $1,040/yr
Water / Lead $400/yr
Energy Code Gap $303/yr

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

Housing Age Distribution

4,361 housing units in Valley County

Pre-1940 12%
1940–1959 23%
1960–1979 43%
1980–1999 16%
2000+ 6%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Health Outcomes vs National Average

CDC PLACES data for Valley County residents

Asthma 11.3% (US avg: 8.9%)
Diabetes 11.6% (US avg: 11%)
Obesity 32.7% (US avg: 32.4%)

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

Water systems mapped to Valley County ZIP codes

1 community water system mapped to Valley County ZIP codes; EPA may list more systems serving the county.

Systems with the most violations in Valley County

1 water system with violations in EPA records.

All ZIP Codes in Valley County

11 ZIP codes tracked in Valley County.

# ZIP Code City Safety Score Grade Violations Home Value
1 59223 Fort Peck — — $443K
2 59225 Frazer — — $107K
3 59230 Glasgow — — 2 $238K
4 59231 Saint Marie — — —
5 59240 Glentana — — $267K
6 59241 Hinsdale — — $119K
7 59244 Larslan — — —
8 59248 Nashua — — $211K
9 59250 Opheim — — $52K
10 59260 Richland — — $171K
11 59273 Vandalia — — —

Recommended Buyer Guides for Valley County

The guides listed here are chosen from this county's data, and the short note beside each one says why it made the list.

Overview

Valley County in Montana covers 11 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

1 of 1 ZIP code 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

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

Frequently Asked Questions

How many water systems serve Valley County?
We map 1 public water system to the 11 ZIP codes of Valley County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Valley County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Valley County is flood. Across all modeled risk factors, the estimated average additional annual cost is $866 per homeowner; actual costs vary by home.
How old are homes in Valley County?
The median home build year in Valley County is 1963. 78% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Valley County, Montana Home Safety Profile. https://zipcheckup.com/county/montana/valley/
BibTeX
@misc{zipcheckup-county-montana-valley,
  author = {{ZipCheckup}},
  title  = {{Valley County, Montana Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/montana/valley/}
}

Page version: October 2026.

Get safety alerts for Valley, Montana

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.