COUNTY REPORT SD

Walworth County, South Dakota

5 ZIP codes · Home Safety Score unavailable · 0 of 5 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 5 tracked ZIP records scored
5
ZIP Codes
$107K
Median Home Value
$880
Avg Remediation (82% of home value)

ZIP Code Risk Map

Water Quality Map: Walworth County, South Dakota

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 10.3%, diabetes 13.4%)

Estimated additional annual cost per homeowner: $708, driven primarily by wildfire

69.6% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.3% (national: 8.9%)
Diabetes 13.4% (national: 10.5%)
Obesity 34.3% (national: 32.4%)

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

Infrastructure Overview

1965
Median Build Year
69.6%
Pre-1978 Housing
40/100
Infrastructure Stress Indicator
60%
ZIPs with High Infrastructure Stress
High
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: $708

Wildfire $240/yr
Energy Code Gap $198/yr
Water Infrastructure $150/yr

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

Housing Age Distribution

2,973 housing units in Walworth County

Pre-1940 23%
1940–1959 20%
1960–1979 32%
1980–1999 13%
2000+ 12%

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 Walworth County

$107K
Median Home Value
$880
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.3% (US avg: 8.9%)
Diabetes 13.4% (US avg: 11%)
Obesity 34.3% (US avg: 32.4%)

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

Water systems serving Walworth County

3 community water systems serving Walworth County.

Systems with the most violations in Walworth County

1 water system with recorded EPA violations.

All ZIP Codes in Walworth County

5 ZIP codes tracked in Walworth County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57420 Akaska $80K
2 57452 Java 0 $70K
3 57472 Selby 0 $119K
4 57601 Mobridge 2 $153K
5 57631 Glenham 0 $107K

Recommended Buyer Guides for Walworth County

While many sites publish identical guide lists across every county they cover, the selection here changes by location - driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.

Overview

Walworth County in South Dakota covers 5 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 4 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← Back to South Dakota 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 Walworth County?
Walworth County is served by 3 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Walworth County?
The primary environmental risk factor in Walworth County is wildfire. This contributes to an estimated additional annual cost of $708 per homeowner.
How old are homes in Walworth County?
The median home build year in Walworth County is 1965. 69.6% 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). Walworth County, South Dakota Home Safety Profile. https://zipcheckup.com/county/south-dakota/walworth/
BibTeX
@misc{zipcheckup-county-south-dakota-walworth,
  author = {{ZipCheckup}},
  title  = {{Walworth County, South Dakota Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-dakota/walworth/}
}

Page version: August 2026.

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