COUNTY REPORT IA

Madison County, Iowa

7 ZIP codes · Home Safety Score unavailable · 0 of 7 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 7 tracked ZIP records scored
7
ZIP Codes
$217K
Median Home Value
$1,714
Avg Remediation (79% of home value)

ZIP Code Risk Map

Water Quality Map: Madison County, Iowa

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: 12.7 (asthma 9.8%, diabetes 10.5%)

Estimated additional annual cost per homeowner: $719, driven primarily by energy_code_gap

63.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.8% (national: 8.9%)
Diabetes 10.5% (national: 10.5%)
Obesity 37.2% (national: 32.4%)

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

Infrastructure Overview

1972
Median Build Year
63.3%
Pre-1978 Housing
51/100
Infrastructure Stress Indicator
86%
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: $719

Energy Code Gap $283/yr
Flood $200/yr
Water Infrastructure $186/yr

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

Housing Age Distribution

5,841 housing units in Madison County

Pre-1940 28%
1940–1959 8%
1960–1979 17%
1980–1999 17%
2000+ 30%

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 Madison County

$217K
Median Home Value
$1,714
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.8% (US avg: 8.9%)
Diabetes 10.5% (US avg: 11%)
Obesity 37.2% (US avg: 32.4%)

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

Water systems serving Madison County

2 community water systems serving Madison County.

All ZIP Codes in Madison County

7 ZIP codes tracked in Madison County.

# ZIP Code City Safety Score Grade Violations Home Value
1 50033 Bevington
2 50072 Earlham 0 $299K
3 50155 Macksburg $94K
4 50218 Patterson $107K
5 50222 Peru $234K
6 50257 Truro $218K
7 50273 Winterset 0 $216K

Recommended Buyer Guides for Madison 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

Madison County in Iowa covers 7 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.

The available EPA record reports 0 violations for 2 ZIP codes with a reported violation count.

← Back to Iowa 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?
Madison County is served by 2 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Madison County?
The primary environmental risk factor in Madison County is energy_code_gap. This contributes to an estimated additional annual cost of $719 per homeowner.
How old are homes in Madison County?
The median home build year in Madison County is 1972. 63.3% 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). Madison County, Iowa Home Safety Profile. https://zipcheckup.com/county/iowa/madison/
BibTeX
@misc{zipcheckup-county-iowa-madison,
  author = {{ZipCheckup}},
  title  = {{Madison County, Iowa Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/iowa/madison/}
}

Page version: August 2026.

Get safety alerts for Madison, Iowa

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.