COUNTY REPORT WI

Buffalo County, Wisconsin

6 ZIP codes · Home Safety Score unavailable · 0 of 6 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 6 tracked ZIP records scored
6
ZIP Codes
$196K
Median Home Value
$300
Avg Remediation (0.15% of home value)

ZIP Code Risk Map

Water Quality Map: Buffalo 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: 14.2 (asthma 10.7%, diabetes 12.8%)

Modeled additional annual cost estimate per homeowner: $562, largest modeled factor: Flood

62% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.7% (national: 8.9%)
Diabetes 12.8% (national: 10.5%)
Obesity 39.6% (national: 32.4%)

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

Infrastructure Overview

1977
Median Build Year
62%
Pre-1980 Housing
42/100
Infrastructure Stress Indicator
60%
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: $562

Flood $400/yr
Energy Code Gap $324/yr
Water / Lead $150/yr

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

Housing Age Distribution

6,918 housing units in Buffalo County

Pre-1940 26%
1940–1959 13%
1960–1979 23%
1980–1999 20%
2000+ 17%

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 Buffalo County

$196K
Median Home Value
$300
Est. Remediation Cost
0.2%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Buffalo 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 Buffalo County residents

Asthma 10.7% (US avg: 8.9%)
Diabetes 12.8% (US avg: 11%)
Obesity 39.6% (US avg: 32.4%)

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

Water systems mapped to Buffalo County ZIP codes

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

Systems with the most violations in Buffalo County

1 water system with violations in EPA records.

All ZIP Codes in Buffalo County

6 ZIP codes tracked in Buffalo County.

# ZIP Code City Safety Score Grade Violations Home Value
1 54610 Alma — — $195K
2 54622 Cochrane — — $181K
3 54629 Fountain City — — $209K
4 54743 Gilmanton — — —
5 54755 Mondovi — — 3 (1 health) $218K
6 54756 Nelson — — $196K

Recommended Buyer Guides for Buffalo County

Selection follows a fixed set of rules applied to local records: signals such as PFAS detections, lead action-level exceedances on record, a large share of pre-1978 housing, EPA Radon Zone 1, or a top flood or wildfire risk each add a related guide, and when none applies, general water testing and filtration guides are shown instead.

Overview

Buffalo County in Wisconsin covers 6 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 1 ZIP code 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 Buffalo County?
We map 2 public water systems to 6 ZIP codes in our data for Buffalo County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Buffalo County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Buffalo County is flood. Across all modeled risk factors, the estimated average additional annual cost is $562 per homeowner; actual costs vary by home.
How old are homes in Buffalo County?
The median home build year in Buffalo County is 1977. 62% 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). Buffalo County, Wisconsin Home Safety Profile. https://zipcheckup.com/county/wisconsin/buffalo/
BibTeX
@misc{zipcheckup-county-wisconsin-buffalo,
  author = {{ZipCheckup}},
  title  = {{Buffalo County, Wisconsin Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/wisconsin/buffalo/}
}

Page version: October 2026.

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