COUNTY REPORT SD

Gregory County, South Dakota

7 ZIP codes · Home Safety Score unavailable · 0 of 7 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 7 tracked ZIP records scored
7
ZIP Codes
$121K
Median Home Value
$757
Avg Remediation (63% of home value)

ZIP Code Risk Map

Water Quality Map: Gregory 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: 14.8 (asthma 10.2%, diabetes 14.1%)

Estimated additional annual cost per homeowner: $976, driven primarily by water_lead

79% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.2% (national: 8.9%)
Diabetes 14.1% (national: 10.5%)
Obesity 35.9% (national: 32.4%)

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

Infrastructure Overview

1954
Median Build Year
79%
Pre-1978 Housing
56/100
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: $976

Water / Lead $364/yr
Water Infrastructure $364/yr
Energy Code Gap $219/yr

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

Housing Age Distribution

2,274 housing units in Gregory County

Pre-1940 38%
1940–1959 17%
1960–1979 19%
1980–1999 12%
2000+ 14%

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 Gregory County

$121K
Median Home Value
$757
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.2% (US avg: 8.9%)
Diabetes 14.1% (US avg: 11%)
Obesity 35.9% (US avg: 32.4%)

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

Water systems serving Gregory County

1 community water system serving Gregory County.

All ZIP Codes in Gregory County

7 ZIP codes tracked in Gregory County.

# ZIP Code City Safety Score Grade Violations Home Value
1 57317 Bonesteel 0 $120K
2 57335 Fairfax 0 $121K
3 57523 Burke 0 $207K
4 57529 Dallas 0 $278K
5 57533 Gregory 0 $113K
6 57538 Herrick 0
7 57571 Saint Charles $73K

Recommended Buyer Guides for Gregory County

Below: editorial picks, no sponsored placements.

Overview

Gregory County in South Dakota covers 7 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 6 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 Gregory County?
Gregory County is served by 1 public water system that supplies drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Gregory County?
The primary environmental risk factor in Gregory County is water_lead. This contributes to an estimated additional annual cost of $976 per homeowner.
How old are homes in Gregory County?
The median home build year in Gregory County is 1954. 79% 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). Gregory County, South Dakota Home Safety Profile. https://zipcheckup.com/county/south-dakota/gregory/
BibTeX
@misc{zipcheckup-county-south-dakota-gregory,
  author = {{ZipCheckup}},
  title  = {{Gregory County, South Dakota Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/south-dakota/gregory/}
}

Page version: August 2026.

Get safety alerts for Gregory, 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.