COUNTY REPORT IA

Louisa County, Iowa

9 ZIP codes · Home Safety Score unavailable · 0 of 9 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 9 tracked ZIP records scored
9
ZIP Codes
$150K
Median Home Value
$500
Avg Remediation (0.33% 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%)

Modeled additional annual cost estimate per homeowner: $794, largest modeled factor: Flood

69% of homes built before 1980 (lead paint was banned for residential use in 1978)

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
69%
Pre-1980 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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $794

Flood $600/yr
Energy Code Gap $250/yr
Water / Lead $233/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
$500
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Louisa County can be compared with the median property value; actual costs vary by property.

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 mapped to Louisa County ZIP codes

2 community water systems mapped to Louisa County ZIP codes; EPA may list more systems serving the 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

Which guides appear depends on what the county data show.

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?
We map 2 public water systems to 9 ZIP codes in our data for Louisa County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Louisa County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Louisa County is flood. Across all modeled risk factors, the estimated average additional annual cost is $794 per homeowner; actual costs vary by home.
How old are homes in Louisa County?
The median home build year in Louisa County is 1966. 69% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have 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: October 2026.

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