COUNTY REPORT IA

Clinton County, Iowa

18 ZIP codes · Avg score 61/100 · Grade C

ZipCheckup grade for Clinton County: C.

A mixed picture - some signals here are worth your attention.

A middle-tier grade covers Clinton County's 18 ZIP codes; documented violations, where present, are worth reviewing system by system.

How Clinton County Compares

Clinton County61/100
Iowa avg63/100
National avg73/100

How Clinton County Compares

C
County Grade
61/100
Avg Safety Score
18
ZIP Codes
5
Water Systems

Clinton County scores 2 points below the Iowa state average (63/100) and 12 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

C
County Grade
61
Avg Safety Score
18
ZIP Codes
Best ZIP: 52730 (67/100)
Lowest ZIP: 52732 (50/100)
$153K
Median Home Value
$500
Avg Remediation (0.33% of home value)

ZIP Code Risk Map

Water Quality Map: Clinton 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: 14.4 (asthma 10.2%, diabetes 12.7%)

Modeled additional annual cost estimate per homeowner: $603, largest modeled factor: Flood

78% 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 12.7% (national: 10.5%)
Obesity 39.3% (national: 32.4%)

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

Infrastructure Overview

1952
Median Build Year
78%
Pre-1980 Housing
51/100
Infrastructure Stress Indicator
78%
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: $603

Flood $480/yr
Energy Code Gap $330/yr
Water / Lead $275/yr

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

Housing Age Distribution

21,343 housing units in Clinton County

Pre-1940 33%
1940–1959 19%
1960–1979 26%
1980–1999 11%
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 Clinton County

$153K
Median Home Value
$500
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Clinton 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 Clinton County residents

Asthma 10.2% (US avg: 8.9%)
Diabetes 12.7% (US avg: 11%)
Obesity 39.3% (US avg: 32.4%)

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

Water systems mapped to Clinton County ZIP codes

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

Systems with the most violations in Clinton County

1 water system with violations in EPA records.

All ZIP Codes in Clinton County

18 ZIP codes tracked in Clinton County.

# ZIP Code City Safety Score Grade Violations Home Value
1 52730 Camanche 67 C 0 $176K
2 52742 De Witt 67 C 0 $241K
3 52732 Clinton 50 D 0 $119K
4 52037 Delmar — — 1 $188K
5 52254 Lost Nation — — $97K
6 52701 Andover — — $115K
7 52727 Bryant — — $240K
8 52729 Calamus — — $164K
9 52731 Charlotte — — $135K
10 52733 Clinton — — —
11 52734 Clinton — — —
12 52736 Clinton — — —
13 52750 Goose Lake — — $178K
14 52751 Grand Mound — — $169K
15 52757 Low Moor — — $120K
16 52771 Teeds Grove — — —
17 52774 Welton — — $115K
18 52777 Wheatland — — $143K

Recommended Buyer Guides for Clinton County

Nothing on this list means a problem exists in your own home: the matches are drawn from county- and ZIP-level records, so a guide shows up because of an area signal, and only testing at your tap describes a specific household.

Overview

Clinton County in Iowa covers 18 tracked ZIP records with an average Home Safety Score of C (61/100) across 3 scored records.

1 of 4 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← 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

Is water safe in Clinton County?
Clinton County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Clinton County?
We map 5 public water systems to 18 ZIP codes in our data for Clinton County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Clinton County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Clinton County is flood. Across all modeled risk factors, the estimated average additional annual cost is $603 per homeowner; actual costs vary by home.
How old are homes in Clinton County?
The median home build year in Clinton County is 1952. 78% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.
How does Clinton County compare to Iowa?
Clinton County has an average Home Safety Score of 61/100 under model 4.0.0, which is below the Iowa state average of 63/100.

How to cite this page

APA ZipCheckup. (2026). Clinton County, IA: HSS 61/100; 1 Violation. https://zipcheckup.com/county/iowa/clinton/
BibTeX
@misc{zipcheckup-county-iowa-clinton,
  author = {{ZipCheckup}},
  title  = {{Clinton County, IA: HSS 61/100; 1 Violation}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/iowa/clinton/}
}

Page version: October 2026.

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