COUNTY REPORT WY

Park County, Wyoming

7 ZIP codes · Avg score 67/100 · Grade C · Updated

ZipCheckup grade for Park County: C.

A mixed picture - some signals here are worth your attention.

Across Park County's 7 ZIP codes, water safety results are uneven - a portion of systems carry active or recent violations, while others meet standards without issues.

How Park County Compares

Park County67/100
Wyoming avg63/100
National avg73/100

How Park County Compares

C
County Grade
67/100
Avg Safety Score
7
ZIP Codes
3
Water Systems

Park County scores 4 points above the Wyoming state average (63/100) and 6 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

C
County Grade
67
Avg Safety Score
7
ZIP Codes
Best ZIP: 82435 (67/100)
Lowest ZIP: 82414 (66/100)
$285K
Median Home Value
$1,929
Avg Remediation (68% of home value)

ZIP Code Risk Map

Water Quality Map: Park County, Wyoming

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: 12.8 (asthma 9.8%, diabetes 11.7%)

Estimated additional annual cost per homeowner: $884, driven primarily by flood

60.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.8% (national: 8.9%)
Diabetes 11.7% (national: 10.5%)
Obesity 31.5% (national: 32.4%)

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

Infrastructure Overview

1987
Median Build Year
60.3%
Pre-1978 Housing
39/100
Infrastructure Stress Indicator
43%
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: $884

Flood $333/yr
Wildfire $257/yr
Water Infrastructure $200/yr

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

Housing Age Distribution

14,927 housing units in Park County

Pre-1940 9%
1940–1959 14%
1960–1979 25%
1980–1999 29%
2000+ 23%

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 Park County

$285K
Median Home Value
$1,929
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.8% (US avg: 8.9%)
Diabetes 11.7% (US avg: 11%)
Obesity 31.5% (US avg: 32.4%)

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

Water systems serving Park County

3 community water systems serving Park County.

Systems with the most violations in Park County

1 water system with recorded EPA violations.

All ZIP Codes in Park County

7 ZIP codes tracked in Park County.

# ZIP Code City Safety Score Grade Violations Home Value
1 82435 Powell 67 C 0 $318K
2 82414 Cody 66 C 3 $421K
3 82190 Yellowstone National Park
4 82423 Frannie $114K
5 82433 Meeteetse $252K
6 82440 Ralston
7 82450 Wapiti

Recommended Buyer Guides for Park County

Editorial-only picks, screened against the EPA detections on file.

Overview

Park County in Wyoming covers 7 tracked ZIP records with an average Home Safety Score of C (67/100) across 2 scored records.

1 of 2 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 Wyoming Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Park County?
Park County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Park County?
Park County is served by 3 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Park County?
The primary environmental risk factor in Park County is flood. This contributes to an estimated additional annual cost of $884 per homeowner.
How old are homes in Park County?
The median home build year in Park County is 1987. 60.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Park County compare to Wyoming?
Park County has an average Home Safety Score of 67/100 under model 4.0.0, which is above the Wyoming state average of 63/100.

How to cite this page

APA ZipCheckup. (2026). Park County, WY: HSS 67/100; 3 Violations. https://zipcheckup.com/county/wyoming/park/
BibTeX
@misc{zipcheckup-county-wyoming-park,
  author = {{ZipCheckup}},
  title  = {{Park County, WY: HSS 67/100; 3 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/wyoming/park/}
}

Page version: August 2026.

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