COUNTY REPORT MI

Ontonagon County, Michigan

9 ZIP codes · Home Safety Score unavailable · 0 of 9 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 9 tracked ZIP records scored
9
ZIP Codes
$100K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Ontonagon County, Michigan

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: 17.2 (asthma 11.2%, diabetes 16.5%)

Modeled additional annual cost estimate per homeowner: $547, largest modeled factor: Flood

73% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.2% (national: 8.9%)
Diabetes 16.5% (national: 10.5%)
Obesity 37% (national: 32.4%)

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

Infrastructure Overview

1959
Median Build Year
73%
Pre-1980 Housing
52/100
Infrastructure Stress Indicator
78%
ZIPs with High Infrastructure Stress
High
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: $547

Flood $600/yr
Energy Code Gap $480/yr

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

Housing Age Distribution

5,273 housing units in Ontonagon County

Pre-1940 28%
1940–1959 20%
1960–1979 25%
1980–1999 18%
2000+ 10%

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

Health Outcomes vs National Average

CDC PLACES data for Ontonagon County residents

Asthma 11.2% (US avg: 8.9%)
Diabetes 16.5% (US avg: 11%)
Obesity 37% (US avg: 32.4%)

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

All ZIP Codes in Ontonagon County

9 ZIP codes tracked in Ontonagon County.

# ZIP Code City Safety Score Grade Violations Home Value
1 49910 Bergland — — $303K
2 49912 Bruce Crossing — — $114K
3 49925 Ewen — — $117K
4 49929 Greenland — — $59K
5 49948 Mass City — — $100K
6 49953 Ontonagon — — $103K
7 49960 Rockland — — $60K
8 49967 Trout Creek — — $91K
9 49971 White Pine — — $60K

Recommended Buyer Guides for Ontonagon County

Which guides appear depends on what the county data show.

Overview

Ontonagon County in Michigan covers 9 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 Ontonagon 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 Michigan 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 Ontonagon County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Ontonagon County is flood. Across all modeled risk factors, the estimated average additional annual cost is $547 per homeowner; actual costs vary by home.
How old are homes in Ontonagon County?
The median home build year in Ontonagon County is 1959. 73% 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). Ontonagon County, Michigan Home Safety Profile. https://zipcheckup.com/county/michigan/ontonagon/
BibTeX
@misc{zipcheckup-county-michigan-ontonagon,
  author = {{ZipCheckup}},
  title  = {{Ontonagon County, Michigan Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/michigan/ontonagon/}
}

Page version: October 2026.

Get safety alerts for Ontonagon, Michigan

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.