COUNTY REPORT WI

Iowa County, Wisconsin

14 ZIP codes · Home Safety Score unavailable · 0 of 14 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 14 tracked ZIP records scored
14
ZIP Codes
$230K
Median Home Value
$4,350
Avg Remediation (1.89% of home value)

ZIP Code Risk Map

Water Quality Map: Iowa County, Wisconsin

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: 13.1 (asthma 10.5%, diabetes 11.3%)

Modeled additional annual cost estimate per homeowner: $594, largest modeled factor: Water Lead

55% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.5% (national: 8.9%)
Diabetes 11.3% (national: 10.5%)
Obesity 38.7% (national: 32.4%)

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

Infrastructure Overview

1971
Median Build Year
55%
Pre-1980 Housing
41/100
Infrastructure Stress Indicator
69%
ZIPs with High Infrastructure Stress
Low
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: $594

Water / Lead $467/yr
Flood $371/yr
Energy Code Gap $360/yr

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

Housing Age Distribution

12,263 housing units in Iowa County

Pre-1940 27%
1940–1959 11%
1960–1979 17%
1980–1999 26%
2000+ 19%

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 Iowa County

$230K
Median Home Value
$4,350
Est. Remediation Cost
1.9%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Iowa 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 Iowa County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 11.3% (US avg: 11%)
Obesity 38.7% (US avg: 32.4%)

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

Water systems mapped to Iowa County ZIP codes

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

Systems with the most violations in Iowa County

2 water systems with violations in EPA records.

All ZIP Codes in Iowa County

14 ZIP codes tracked in Iowa County.

# ZIP Code City Safety Score Grade Violations Home Value
1 53503 Arena — — $230K
2 53506 Avoca — — $145K
3 53507 Barneveld — — $311K
4 53526 Cobb — — $176K
5 53533 Dodgeville — — 3 (2 health) $255K
6 53535 Edmund — — —
7 53543 Highland — — $199K
8 53544 Hollandale — — $338K
9 53553 Linden — — $169K
10 53565 Mineral Point — — 5 (3 health) $254K
11 53580 Rewey — — $154K
12 53582 Ridgeway — — $231K
13 53588 Spring Green — — 0 $274K
14 53595 Dodgeville — — —

Recommended Buyer Guides for Iowa County

Which guides appear depends on what the county data show.

Overview

Iowa County in Wisconsin covers 14 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.

2 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

← Back to Wisconsin 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 Iowa County?
We map 4 public water systems to 14 ZIP codes in our data for Iowa County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Iowa County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Iowa County is water lead. Across all modeled risk factors, the estimated average additional annual cost is $594 per homeowner; actual costs vary by home.
How old are homes in Iowa County?
The median home build year in Iowa County is 1971. 55% 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). Iowa County, Wisconsin Home Safety Profile. https://zipcheckup.com/county/wisconsin/iowa/
BibTeX
@misc{zipcheckup-county-wisconsin-iowa,
  author = {{ZipCheckup}},
  title  = {{Iowa County, Wisconsin Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/wisconsin/iowa/}
}

Page version: October 2026.

Get safety alerts for Iowa, Wisconsin

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.