COUNTY REPORT WI

Green Lake County, Wisconsin

7 ZIP codes · Home Safety Score unavailable · 0 of 7 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 7 tracked ZIP records scored
7
ZIP Codes
$211K
Median Home Value
$300
Avg Remediation (0.14% of home value)

ZIP Code Risk Map

Water Quality Map: Green Lake 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: 14.8 (asthma 11.1%, diabetes 13.7%)

Modeled additional annual cost estimate per homeowner: $1,207, largest modeled factor: Flood

64% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.1% (national: 8.9%)
Diabetes 13.7% (national: 10.5%)
Obesity 40.4% (national: 32.4%)

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

Infrastructure Overview

1961
Median Build Year
64%
Pre-1980 Housing
49/100
Infrastructure Stress Indicator
86%
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: $1,207

Flood $600/yr
Energy Code Gap $386/yr
Water / Lead $250/yr

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

Housing Age Distribution

11,246 housing units in Green Lake County

Pre-1940 26%
1940–1959 14%
1960–1979 24%
1980–1999 22%
2000+ 13%

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 Green Lake County

$211K
Median Home Value
$300
Est. Remediation Cost
0.1%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Green Lake 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 Green Lake County residents

Asthma 11.1% (US avg: 8.9%)
Diabetes 13.7% (US avg: 11%)
Obesity 40.4% (US avg: 32.4%)

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

Water systems mapped to Green Lake County ZIP codes

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

Systems with the most violations in Green Lake County

3 water systems with violations in EPA records.

All ZIP Codes in Green Lake County

7 ZIP codes tracked in Green Lake County.

# ZIP Code City Safety Score Grade Violations Home Value
1 53926 Dalton — — 6 (2 health) $216K
2 53939 Kingston — — $131K
3 53946 Markesan — — 0 $233K
4 53947 Marquette — — $211K
5 54923 Berlin — — 4 (1 health) $180K
6 54941 Green Lake — — 5 (1 health) $270K
7 54968 Princeton — — 4 (1 health) $180K

Recommended Buyer Guides for Green Lake County

When no specific signal shows up in the records, the list falls back to general water testing and filtration guides rather than staying empty.

Overview

Green Lake County in Wisconsin covers 7 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.

4 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 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 Green Lake County?
We map 5 public water systems to 7 ZIP codes in our data for Green Lake County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Green Lake County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Green Lake County is flood. Across all modeled risk factors, the estimated average additional annual cost is $1,207 per homeowner; actual costs vary by home.
How old are homes in Green Lake County?
The median home build year in Green Lake County is 1961. 64% 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). Green Lake County, Wisconsin Home Safety Profile. https://zipcheckup.com/county/wisconsin/green-lake/
BibTeX
@misc{zipcheckup-county-wisconsin-green-lake,
  author = {{ZipCheckup}},
  title  = {{Green Lake County, Wisconsin Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/wisconsin/green-lake/}
}

Page version: October 2026.

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