COUNTY REPORT WI

Dunn County, Wisconsin

12 ZIP codes · Home Safety Score unavailable · 0 of 12 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 12 tracked ZIP records scored
12
ZIP Codes
$209K
Median Home Value
$1,108
Avg Remediation (53% of home value)

ZIP Code Risk Map

Water Quality Map: Dunn 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: 12.3 (asthma 10.8%, diabetes 9.9%)

Estimated additional annual cost per homeowner: $618, driven primarily by energy_code_gap

59.4% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 9.9% (national: 10.5%)
Obesity 38.8% (national: 32.4%)

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

Infrastructure Overview

1972
Median Build Year
59.4%
Pre-1978 Housing
41/100
Infrastructure Stress Indicator
30%
ZIPs with High Infrastructure Stress
Low
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: $618

Energy Code Gap $300/yr
Flood $200/yr
Water / Lead $178/yr

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

Housing Age Distribution

18,335 housing units in Dunn County

Pre-1940 15%
1940–1959 12%
1960–1979 22%
1980–1999 28%
2000+ 22%

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 Dunn County

$209K
Median Home Value
$1,108
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.8% (US avg: 8.9%)
Diabetes 9.9% (US avg: 11%)
Obesity 38.8% (US avg: 32.4%)

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

Water systems serving Dunn County

3 community water systems serving Dunn County.

Systems with the most violations in Dunn County

1 water system with recorded EPA violations.

All ZIP Codes in Dunn County

12 ZIP codes tracked in Dunn County.

# ZIP Code City Safety Score Grade Violations Home Value
1 54725 Boyceville $205K
2 54730 Colfax 2 (1 health) $229K
3 54734 Downing $209K
4 54735 Downsville
5 54737 Eau Galle $213K
6 54739 Elk Mound 0 $241K
7 54749 Knapp $196K
8 54751 Menomonie 0 $233K
9 54763 Ridgeland $166K
10 54764 Rock Falls
11 54765 Sand Creek
12 54772 Wheeler $187K

Recommended Buyer Guides for Dunn County

Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.

Overview

Dunn County in Wisconsin covers 12 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.

1 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation 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 Dunn County?
Dunn County is served by 3 public water systems that supply drinking water to residents across 12 ZIP codes.
What is the biggest environmental risk in Dunn County?
The primary environmental risk factor in Dunn County is energy_code_gap. This contributes to an estimated additional annual cost of $618 per homeowner.
How old are homes in Dunn County?
The median home build year in Dunn County is 1972. 59.4% 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). Dunn County, Wisconsin Home Safety Profile. https://zipcheckup.com/county/wisconsin/dunn/
BibTeX
@misc{zipcheckup-county-wisconsin-dunn,
  author = {{ZipCheckup}},
  title  = {{Dunn County, Wisconsin Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/wisconsin/dunn/}
}

Page version: August 2026.

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