COUNTY REPORT MO

Oregon County, Missouri

5 ZIP codes · Home Safety Score unavailable · 0 of 5 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 5 tracked ZIP records scored
5
ZIP Codes
$137K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Oregon County, Missouri

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: 17.4 (asthma 11.1%, diabetes 16.5%)

Modeled additional annual cost estimate per homeowner: $490, largest modeled factor: Wildfire

52% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.1% (national: 8.9%)
Diabetes 16.5% (national: 10.5%)
Obesity 41.1% (national: 32.4%)

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

Infrastructure Overview

1985
Median Build Year
52%
Pre-1980 Housing
42/100
Infrastructure Stress Indicator
60%
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: $490

Wildfire $300/yr
Flood $200/yr
Water / Lead $100/yr

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

Housing Age Distribution

4,019 housing units in Oregon County

Pre-1940 12%
1940–1959 16%
1960–1979 24%
1980–1999 29%
2000+ 19%

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

Health Outcomes vs National Average

CDC PLACES data for Oregon County residents

Asthma 11.1% (US avg: 8.9%)
Diabetes 16.5% (US avg: 11%)
Obesity 41.1% (US avg: 32.4%)

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

Water systems mapped to Oregon County ZIP codes

2 community water systems mapped to Oregon County ZIP codes; EPA may list more systems serving the county.

Systems with the most violations in Oregon County

2 water systems with violations in EPA records.

All ZIP Codes in Oregon County

5 ZIP codes tracked in Oregon County.

# ZIP Code City Safety Score Grade Violations Home Value
1 65606 Alton — — 3 $130K
2 65690 Couch — — —
3 65692 Koshkonong — — 4 $175K
4 65778 Myrtle — — $143K
5 65791 Thayer — — 4 $110K

Recommended Buyer Guides for Oregon 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

Oregon County in Missouri covers 5 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.

3 of 3 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 Missouri 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 Oregon County?
We map 2 public water systems to 5 ZIP codes in our data for Oregon County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Oregon County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Oregon County is wildfire. Across all modeled risk factors, the estimated average additional annual cost is $490 per homeowner; actual costs vary by home.
How old are homes in Oregon County?
The median home build year in Oregon County is 1985. 52% 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). Oregon County, Missouri Home Safety Profile. https://zipcheckup.com/county/missouri/oregon/
BibTeX
@misc{zipcheckup-county-missouri-oregon,
  author = {{ZipCheckup}},
  title  = {{Oregon County, Missouri Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/oregon/}
}

Page version: October 2026.

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