COUNTY REPORT IA

Union 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
$117K
Median Home Value
$1,443
Avg Remediation (123% of home value)

ZIP Code Risk Map

Water Quality Map: Union 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: 13.9 (asthma 10.1%, diabetes 12.1%)

Estimated additional annual cost per homeowner: $1,123, driven primarily by flood

77.9% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.1% (national: 8.9%)
Diabetes 12.1% (national: 10.5%)
Obesity 37.2% (national: 32.4%)

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

Infrastructure Overview

1957
Median Build Year
77.9%
Pre-1978 Housing
63/100
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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,123

Flood $600/yr
Water / Lead $364/yr
Water Infrastructure $364/yr

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

Housing Age Distribution

5,914 housing units in Union County

Pre-1940 39%
1940–1959 13%
1960–1979 25%
1980–1999 12%
2000+ 11%

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 Union County

$117K
Median Home Value
$1,443
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.1% (US avg: 8.9%)
Diabetes 12.1% (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 Union County

1 community water system serving Union County.

All ZIP Codes in Union County

7 ZIP codes tracked in Union County.

# ZIP Code City Safety Score Grade Violations Home Value
1 50149 Lorimor $144K
2 50254 Thayer $169K
3 50801 Creston 0 $121K
4 50830 Afton $114K
5 50831 Arispe
6 50842 Cromwell $109K
7 50861 Shannon City $90K

Recommended Buyer Guides for Union County

Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.

Overview

Union 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 1 ZIP code 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 Union County?
Union County is served by 1 public water system that supplies drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Union County?
The primary environmental risk factor in Union County is flood. This contributes to an estimated additional annual cost of $1,123 per homeowner.
How old are homes in Union County?
The median home build year in Union County is 1957. 77.9% 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). Union County, Iowa Home Safety Profile. https://zipcheckup.com/county/iowa/union/
BibTeX
@misc{zipcheckup-county-iowa-union,
  author = {{ZipCheckup}},
  title  = {{Union County, Iowa Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/iowa/union/}
}

Page version: August 2026.

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