COUNTY REPORT OR

Gilliam County, Oregon

3 ZIP codes · Home Safety Score unavailable · 0 of 3 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 3 tracked ZIP records scored
3
ZIP Codes
$172K
Median Home Value

Key Risk Factors

Health risk index: 15.5 (asthma 12.3%, diabetes 14.8%)

Modeled additional annual cost estimate per homeowner: $727, largest modeled factor: Energy Code Gap

70% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 12.3% (national: 8.9%)
Diabetes 14.8% (national: 10.5%)
Obesity 35.4% (national: 32.4%)

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

Infrastructure Overview

1966
Median Build Year
70%
Pre-1980 Housing
41/100
Infrastructure Stress Indicator
100%
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: $727

Energy Code Gap $540/yr
Wildfire $300/yr
Flood $200/yr

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

Housing Age Distribution

1,056 housing units in Gilliam County

Pre-1940 29%
1940–1959 26%
1960–1979 15%
1980–1999 19%
2000+ 12%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Health Outcomes vs National Average

CDC PLACES data for Gilliam County residents

Asthma 12.3% (US avg: 8.9%)
Diabetes 14.8% (US avg: 11%)
Obesity 35.4% (US avg: 32.4%)

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

All ZIP Codes in Gilliam County

3 ZIP codes tracked in Gilliam County.

# ZIP Code City Safety Score Grade Violations Home Value
1 97812 Arlington — — $198K
2 97823 Condon — — $145K
3 97861 Mikkalo — — —

Recommended Buyer Guides for Gilliam 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

Gilliam County in Oregon covers 3 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 Gilliam 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 Oregon 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 Gilliam County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Gilliam County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $727 per homeowner; actual costs vary by home.
How old are homes in Gilliam County?
The median home build year in Gilliam County is 1966. 70% 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). Gilliam County, Oregon Home Safety Profile. https://zipcheckup.com/county/oregon/gilliam/
BibTeX
@misc{zipcheckup-county-oregon-gilliam,
  author = {{ZipCheckup}},
  title  = {{Gilliam County, Oregon Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oregon/gilliam/}
}

Page version: October 2026.

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