COUNTY REPORT IA

Louisa County, Iowa

9 ZIP codes · Home Safety Score unavailable · 0 of 9 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 9 tracked ZIP records scored
9
ZIP Codes
$150K
Median Home Value
$2,644
Avg Remediation (176% of home value)

ZIP Code Risk Map

Water Quality Map: Louisa 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 9.8%, diabetes 12.8%)

Estimated additional annual cost per homeowner: $1,233, driven primarily by flood

70.7% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.8% (national: 8.9%)
Diabetes 12.8% (national: 10.5%)
Obesity 40.2% (national: 32.4%)

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

Infrastructure Overview

1966
Median Build Year
70.7%
Pre-1978 Housing
52/100
Infrastructure Stress Indicator
89%
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: $1,233

Flood $600/yr
Water Infrastructure $272/yr
Energy Code Gap $250/yr

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

Housing Age Distribution

5,864 housing units in Louisa County

Pre-1940 34%
1940–1959 11%
1960–1979 24%
1980–1999 16%
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 Louisa County

$150K
Median Home Value
$2,644
Est. Remediation Cost
1.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.8% (US avg: 8.9%)
Diabetes 12.8% (US avg: 11%)
Obesity 40.2% (US avg: 32.4%)

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

Water systems serving Louisa County

2 community water systems serving Louisa County.

All ZIP Codes in Louisa County

9 ZIP codes tracked in Louisa County.

# ZIP Code City Safety Score Grade Violations Home Value
1 52640 Morning Sun 0 $126K
2 52646 Oakville 0 $150K
3 52653 Wapello $152K
4 52737 Columbus City $104K
5 52738 Columbus Junction $136K
6 52749 Fruitland $219K
7 52752 Grandview $117K
8 52754 Letts 0 $196K
9 52755 Lone Tree $220K

Recommended Buyer Guides for Louisa County

Strictly editorial - no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

Louisa County in Iowa covers 9 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 3 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 Louisa County?
Louisa County is served by 2 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Louisa County?
The primary environmental risk factor in Louisa County is flood. This contributes to an estimated additional annual cost of $1,233 per homeowner.
How old are homes in Louisa County?
The median home build year in Louisa County is 1966. 70.7% 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). Louisa County, Iowa Home Safety Profile. https://zipcheckup.com/county/iowa/louisa/
BibTeX
@misc{zipcheckup-county-iowa-louisa,
  author = {{ZipCheckup}},
  title  = {{Louisa County, Iowa Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/iowa/louisa/}
}

Page version: August 2026.

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