COUNTY REPORT ID

Madison County, Idaho

4 ZIP codes · Home Safety Score unavailable · 0 of 4 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 4 tracked ZIP records scored
4
ZIP Codes
$352K
Median Home Value

Key Risk Factors

Health risk index: 8.3 (asthma 12.1%, diabetes 4.9%)

Modeled additional annual cost estimate per homeowner: $590, largest modeled factor: Flood

County Health Indicators vs National Average

Asthma 12.1% (national: 8.9%)
Diabetes 4.9% (national: 10.5%)
Obesity 26.2% (national: 32.4%)

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

Infrastructure Overview

40/100
Infrastructure Stress Indicator
50%
ZIPs with High Infrastructure Stress

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: $590

Flood $400/yr
Wildfire $300/yr
Energy Code Gap $180/yr

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

Health Outcomes vs National Average

CDC PLACES data for Madison County residents

Asthma 12.1% (US avg: 8.9%)
Diabetes 4.9% (US avg: 11%)
Obesity 26.2% (US avg: 32.4%)

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

Water systems mapped to Madison County ZIP codes

3 community water systems mapped to Madison County ZIP codes; EPA may list more systems serving the county.

Systems with the most violations in Madison County

3 water systems with violations in EPA records.

All ZIP Codes in Madison County

4 ZIP codes tracked in Madison County.

# ZIP Code City Safety Score Grade Violations Home Value
1 83440 Rexburg — — 138 $373K
2 83441 Rexburg — — —
3 83448 Sugar City — — 21 $331K
4 83460 Rexburg — — 58 —

Recommended Buyer Guides for Madison County

Each guide below is listed with the reason it appears.

Overview

Madison County in Idaho covers 4 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.

3 of 3 ZIP codes 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 Idaho 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 Madison County?
We map 3 public water systems to 4 ZIP codes in our data for Madison County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Madison County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Madison County is flood. Across all modeled risk factors, the estimated average additional annual cost is $590 per homeowner; actual costs vary by home.

How to cite this page

APA ZipCheckup. (2026). Madison County, Idaho Home Safety Profile. https://zipcheckup.com/county/idaho/madison/
BibTeX
@misc{zipcheckup-county-idaho-madison,
  author = {{ZipCheckup}},
  title  = {{Madison County, Idaho Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/idaho/madison/}
}

Page version: October 2026.

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