Gilpin County, Colorado
2 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-06-03
Spanning 2 ZIP codes, Gilpin County lands near the national median for water safety — compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.
How Gilpin County Compares
How Gilpin County Compares
Gilpin County scores 4 points above the Colorado state average (60/100) and 4 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 11.3 (asthma 11%, diabetes 9.6%)
Estimated additional annual cost per homeowner: $655, driven primarily by energy_code_gap
Infrastructure: 0.365% avg pipe failure probability, 50% of ZIPs at high risk
54% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $655
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,110 housing units in Gilpin County
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 Gilpin County
Remediation costs are relatively manageable for most homeowners in Gilpin 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 Gilpin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Gilpin County
2 ZIP codes tracked in Gilpin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 80422 | Black Hawk | 66 | C | 1 | $506K |
| 2 | 80427 | Central City | 61 | C | 15 | $380K |
Recommended Buyer Guides for Gilpin County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 54% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Overview
Gilpin County in Colorado covers 2 ZIP codes with an average Home Safety Score of C (64/100).
2 of 2 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Colorado water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.