COUNTY REPORT IA

Keokuk County, Iowa

15 ZIP codes · Home Safety Score unavailable · 0 of 15 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 15 tracked ZIP records scored
15
ZIP Codes
$116K
Median Home Value
$500
Avg Remediation (0.43% of home value)

ZIP Code Risk Map

Water Quality Map: Keokuk 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: 15.1 (asthma 10.2%, diabetes 13.4%)

Modeled additional annual cost estimate per homeowner: $427, largest modeled factor: Energy Code Gap

79% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.2% (national: 8.9%)
Diabetes 13.4% (national: 10.5%)
Obesity 41.4% (national: 32.4%)

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

Infrastructure Overview

1947
Median Build Year
79%
Pre-1980 Housing
58/100
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $427

Energy Code Gap $360/yr
Flood $200/yr
Water / Lead $150/yr

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

Housing Age Distribution

5,134 housing units in Keokuk County

Pre-1940 45%
1940–1959 9%
1960–1979 25%
1980–1999 9%
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 Keokuk County

$116K
Median Home Value
$500
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Keokuk 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 Keokuk County residents

Asthma 10.2% (US avg: 8.9%)
Diabetes 13.4% (US avg: 11%)
Obesity 41.4% (US avg: 32.4%)

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

Water systems mapped to Keokuk County ZIP codes

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

All ZIP Codes in Keokuk County

15 ZIP codes tracked in Keokuk County.

# ZIP Code City Safety Score Grade Violations Home Value
1 50104 Gibson — — $192K
2 50136 Keswick — — $105K
3 50255 Thornburg — — —
4 50268 What Cheer — — $80K
5 52231 Harper — — $229K
6 52248 Keota — — $155K
7 52335 South English — — $111K
8 52355 Webster — — $113K
9 52550 Delta — — 0 $115K
10 52562 Hayesville — — $58K
11 52563 Hedrick — — 0 $116K
12 52568 Martinsburg — — —
13 52576 Ollie — — $144K
14 52585 Richland — — 0 $125K
15 52591 Sigourney — — 0 $120K

Recommended Buyer Guides for Keokuk County

These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.

Overview

Keokuk County in Iowa covers 15 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 4 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 Keokuk County?
We map 2 public water systems to 15 ZIP codes in our data for Keokuk County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Keokuk County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Keokuk County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $427 per homeowner; actual costs vary by home.
How old are homes in Keokuk County?
The median home build year in Keokuk County is 1947. 79% 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). Keokuk County, Iowa Home Safety Profile. https://zipcheckup.com/county/iowa/keokuk/
BibTeX
@misc{zipcheckup-county-iowa-keokuk,
  author = {{ZipCheckup}},
  title  = {{Keokuk County, Iowa Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/iowa/keokuk/}
}

Page version: October 2026.

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