COUNTY REPORT WI

Door County, Wisconsin

12 ZIP codes · Avg score 50/100 · Grade D

ZipCheckup grade for Door County: D.

Federal records show several conditions worth reviewing.

Low as it is, the grade for Door County is a summary of data, not a tap-water measurement; 12 ZIP codes are listed.

How Door County Compares

Door County50/100
Wisconsin avg70/100
National avg73/100

How Door County Compares

D
County Grade
50/100
Avg Safety Score
12
ZIP Codes
5
Water Systems

Door County scores 20 points below the Wisconsin state average (70/100) and 23 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

D
County Grade
50
Avg Safety Score
12
ZIP Codes
Best ZIP: 54235 (50/100)
Lowest ZIP: 54235 (50/100)
$356K
Median Home Value
$450
Avg Remediation (0.13% of home value)

ZIP Code Risk Map

Water Quality Map: Door 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: 14 (asthma 10.5%, diabetes 13%)

Modeled additional annual cost estimate per homeowner: $618, largest modeled factor: Flood

49% 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 13% (national: 10.5%)
Obesity 36.6% (national: 32.4%)

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

Infrastructure Overview

1977
Median Build Year
49%
Pre-1980 Housing
42/100
Infrastructure Stress Indicator
55%
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: $618

Flood $400/yr
Energy Code Gap $278/yr
Water / Lead $192/yr

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

Housing Age Distribution

26,681 housing units in Door County

Pre-1940 17%
1940–1959 12%
1960–1979 20%
1980–1999 29%
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 Door County

$356K
Median Home Value
$450
Est. Remediation Cost
0.1%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Door 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 Door County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 13% (US avg: 11%)
Obesity 36.6% (US avg: 32.4%)

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

Water systems mapped to Door County ZIP codes

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

Systems with the most violations in Door County

3 water systems with violations in EPA records.

All ZIP Codes in Door County

12 ZIP codes tracked in Door County.

# ZIP Code City Safety Score Grade Violations Home Value
1 54235 Sturgeon Bay 50 D 0 $268K
2 54202 Baileys Harbor — — 0 $384K
3 54204 Brussels — — $325K
4 54209 Egg Harbor — — $384K
5 54210 Ellison Bay — — $356K
6 54211 Ephraim — — 0 $466K
7 54212 Fish Creek — — 0 $481K
8 54213 Forestville — — $187K
9 54217 Luxemburg — — 6 (2 health) $255K
10 54226 Maplewood — — —
11 54234 Sister Bay — — 0 $420K
12 54246 Washington Island — — $277K

Recommended Buyer Guides for Door County

The guides listed here are chosen from this county's data, and the short note beside each one says why it made the list.

Overview

Door County in Wisconsin covers 12 tracked ZIP records with an average Home Safety Score of D (50/100) across 1 scored records.

1 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 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.

What You Can Do

Door County has an average Home Safety grade of D across its scored ZIP records. Here are steps to protect your household.

1

Test your tap water

Ask a certified laboratory which tests it offers for lead, bacteria, and other contaminants relevant to your home; a $20-$50 kit may cover only certain contaminants.

2

Consider a certified water filter

NSF/ANSI-certified filters reduce the specific contaminants listed on their certification. Match the filter to your test results for best protection. Try our filter matcher

3

Contact your water utility

Request the latest Consumer Confidence Report (CCR) from your water provider. It reports monitored contaminants detected in the utility's water and related compliance information.

4

Check for lead in your home

49% of homes in this county were built before 1980. Older plumbing and solder can leach lead into drinking water, especially after water sits in the pipes.

Frequently Asked Questions

Is water safe in Door County?
Door County receives a grade of D. 1 of 12 ZIP codes are mapped to water systems with reported health-based violations. Independent water testing is recommended.
How many water systems serve Door County?
We map 5 public water systems to 12 ZIP codes in our data for Door County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Door County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Door County is flood. Across all modeled risk factors, the estimated average additional annual cost is $618 per homeowner; actual costs vary by home.
How old are homes in Door County?
The median home build year in Door County is 1977. 49% 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 Door County compare to Wisconsin?
Door County has an average Home Safety Score of 50/100 under model 4.0.0, which is below the Wisconsin state average of 70/100.

How to cite this page

APA ZipCheckup. (2026). Door County, WI: HSS 50/100; 2 Health Violations. https://zipcheckup.com/county/wisconsin/door/
BibTeX
@misc{zipcheckup-county-wisconsin-door,
  author = {{ZipCheckup}},
  title  = {{Door County, WI: HSS 50/100; 2 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/wisconsin/door/}
}

Page version: October 2026.

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