COUNTY REPORT ID

Custer County, Idaho

5 ZIP codes · Home Safety Score unavailable · 0 of 5 tracked ZIP records scored · Updated

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

Unavailable
0 of 5 tracked ZIP records scored
5
ZIP Codes
$327K
Median Home Value
$1,440
Avg Remediation (44% of 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%)

Estimated additional annual cost per homeowner: $718, driven primarily by energy_code_gap

55.2% of homes built before 1978 (lead paint era)

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
55.2%
Pre-1978 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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $718

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).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Custer County

$327K
Median Home Value
$1,440
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Custer 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 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

Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.

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.

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in Custer County.

← 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?
The primary environmental risk factor in Custer County is energy_code_gap. This contributes to an estimated additional annual cost of $718 per homeowner.
How old are homes in Custer County?
The median home build year in Custer County is 1985. 55.2% of homes were built before 1978, which means they may contain lead-based paint and 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: August 2026.

Get safety alerts for Custer, Idaho

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.