COUNTY REPORT SD

Buffalo County, South Dakota

2 ZIP codes · Home Safety Score unavailable · 0 of 2 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 2 tracked ZIP records scored
2
ZIP Codes
$158K
Median Home Value
$1,200
Avg Remediation (76% of home value)

Key Risk Factors

Health risk index: 17.1 (asthma 14%, diabetes 17.5%)

Estimated additional annual cost per homeowner: $630, driven primarily by energy_code_gap

70% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 14% (national: 8.9%)
Diabetes 17.5% (national: 10.5%)
Obesity 48.5% (national: 32.4%)

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

Infrastructure Overview

1965
Median Build Year
70%
Pre-1978 Housing
52/100
Infrastructure Stress Indicator
100%
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: $630

Energy Code Gap $180/yr
Water / Lead $150/yr
Wildfire $150/yr

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

Housing Age Distribution

457 housing units in Buffalo County

Pre-1940 12%
1940–1959 6%
1960–1979 47%
1980–1999 27%
2000+ 8%

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

$158K
Median Home Value
$1,200
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 14% (US avg: 8.9%)
Diabetes 17.5% (US avg: 11%)
Obesity 48.5% (US avg: 32.4%)

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

Water systems serving Buffalo County

2 community water systems serving Buffalo County.

All ZIP Codes in Buffalo County

2 ZIP codes tracked in Buffalo County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57339 Fort Thompson 0 $101K
2 57341 Gann Valley 0 $214K

Recommended Buyer Guides for Buffalo County

Below: editorial picks, no sponsored placements.

Overview

Buffalo County in South Dakota covers 2 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.

The available EPA record reports 0 violations for 2 ZIP codes with a reported violation count.

← 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 Buffalo County?
Buffalo County is served by 2 public water systems that supply drinking water to residents across 2 ZIP codes.
What is the biggest environmental risk in Buffalo County?
The primary environmental risk factor in Buffalo County is energy_code_gap. This contributes to an estimated additional annual cost of $630 per homeowner.
How old are homes in Buffalo County?
The median home build year in Buffalo County is 1965. 70% 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). Buffalo County, South Dakota Home Safety Profile. https://zipcheckup.com/county/south-dakota/buffalo/
BibTeX
@misc{zipcheckup-county-south-dakota-buffalo,
  author = {{ZipCheckup}},
  title  = {{Buffalo County, South Dakota Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-dakota/buffalo/}
}

Page version: August 2026.

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