COUNTY REPORT SD

Corson County, South Dakota

9 ZIP codes · Home Safety Score unavailable · 0 of 9 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 9 tracked ZIP records scored
9
ZIP Codes
$80K
Median Home Value
$1,011
Avg Remediation (127% of home value)

ZIP Code Risk Map

Water Quality Map: Corson 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: 18.1 (asthma 13.3%, diabetes 19.9%)

Estimated additional annual cost per homeowner: $731, driven primarily by water_infra

73.6% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 13.3% (national: 8.9%)
Diabetes 19.9% (national: 10.5%)
Obesity 43.5% (national: 32.4%)

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

Infrastructure Overview

1974
Median Build Year
73.6%
Pre-1978 Housing
50/100
Infrastructure Stress Indicator
89%
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: $731

Water Infrastructure $261/yr
Water / Lead $244/yr
Flood $200/yr

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

Housing Age Distribution

1,272 housing units in Corson County

Pre-1940 18%
1940–1959 14%
1960–1979 30%
1980–1999 23%
2000+ 15%

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 Corson County

$80K
Median Home Value
$1,011
Est. Remediation Cost
1.3%
of Home Value
Remediation as % of home value low burden

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

Asthma 13.3% (US avg: 8.9%)
Diabetes 19.9% (US avg: 11%)
Obesity 43.5% (US avg: 32.4%)

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

All ZIP Codes in Corson County

9 ZIP codes tracked in Corson County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57621 Bullhead
2 57634 Keldron $94K
3 57639 Little Eagle
4 57641 Mc Intosh $63K
5 57642 Mc Laughlin $79K
6 57645 Morristown $37K
7 57658 Wakpala $81K
8 57659 Walker
9 57660 Watauga $102K

Recommended Buyer Guides for Corson County

Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.

Overview

Corson County in South Dakota covers 9 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.

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in Corson County.

← 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

What is the biggest environmental risk in Corson County?
The primary environmental risk factor in Corson County is water_infra. This contributes to an estimated additional annual cost of $731 per homeowner.
How old are homes in Corson County?
The median home build year in Corson County is 1974. 73.6% 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). Corson County, South Dakota Home Safety Profile. https://zipcheckup.com/county/south-dakota/corson/
BibTeX
@misc{zipcheckup-county-south-dakota-corson,
  author = {{ZipCheckup}},
  title  = {{Corson County, South Dakota Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-dakota/corson/}
}

Page version: August 2026.

Get safety alerts for Corson, South Dakota

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool - no phone call required.