COUNTY REPORT SD

Corson County, South Dakota

9 ZIP codes · Home Safety Score unavailable · 0 of 9 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 9 tracked ZIP records scored
9
ZIP Codes
$80K
Median 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%)

Modeled additional annual cost estimate per homeowner: $226, 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 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
62%
Pre-1980 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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $226

Flood $200/yr
Energy Code Gap $170/yr
Wildfire $33/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).

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

Read the note next to each link: it gives the reason, such as a radon zone designation or housing age, that led to the recommendation.

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.

No EPA violation count is attached to the tracked ZIP codes of Corson County in our data (no water system is mapped, or the mapping is held back for review), so violation records are not shown here; the local utility may still have EPA records (search EPA ECHO by system name).

← 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?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Corson County is flood. Across all modeled risk factors, the estimated average additional annual cost is $226 per homeowner; actual costs vary by home.
How old are homes in Corson County?
The median home build year in Corson County is 1974. 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). 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: October 2026.

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