COUNTY REPORT ID

Custer County, Idaho

5 ZIP codes · Home Safety Score unavailable · 0 of 5 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 5 tracked ZIP records scored
5
ZIP Codes
$327K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Custer County, Idaho

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: 14.3 (asthma 10.5%, diabetes 13.4%)

Modeled additional annual cost estimate per homeowner: $568, largest modeled factor: Energy Code Gap

35% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.5% (national: 8.9%)
Diabetes 13.4% (national: 10.5%)
Obesity 31.5% (national: 32.4%)

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

Infrastructure Overview

1985
Median Build Year
35%
Pre-1980 Housing
38/100
Infrastructure Stress Indicator
40%
ZIPs with High Infrastructure Stress
Low
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: $568

Energy Code Gap $288/yr
Wildfire $240/yr
Flood $200/yr

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

Housing Age Distribution

3,019 housing units in Custer County

Pre-1940 7%
1940–1959 5%
1960–1979 23%
1980–1999 50%
2000+ 14%

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

Health Outcomes vs National Average

CDC PLACES data for Custer County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 13.4% (US avg: 11%)
Obesity 31.5% (US avg: 32.4%)

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

All ZIP Codes in Custer County

5 ZIP codes tracked in Custer County.

# ZIP Code City Safety Score Grade Violations Home Value
1 83226 Challis — — $271K
2 83227 Clayton — — —
3 83235 Ellis — — —
4 83251 Mackay — — $327K
5 83278 Stanley — — $618K

Recommended Buyer Guides for Custer County

Which guides appear depends on what the county data show.

Overview

Custer County in Idaho covers 5 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.

No EPA violation count is attached to the tracked ZIP codes of Custer County in our data (no water system is mapped, or the mapping is held back for review), so violation records are not shown here; the local utility may still have EPA records (search EPA ECHO by system name).

← Back to Idaho Home Safety Profile

Data Sources

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

Frequently Asked Questions

What is the biggest environmental risk in Custer County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Custer County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $568 per homeowner; actual costs vary by home.
How old are homes in Custer County?
The median home build year in Custer County is 1985. 35% 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). Custer County, Idaho Home Safety Profile. https://zipcheckup.com/county/idaho/custer/
BibTeX
@misc{zipcheckup-county-idaho-custer,
  author = {{ZipCheckup}},
  title  = {{Custer County, Idaho Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/idaho/custer/}
}

Page version: October 2026.

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