COUNTY REPORT MI

Ontonagon County, Michigan

9 ZIP codes · Home Safety Score unavailable · 0 of 9 tracked ZIP records scored · Updated

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

Unavailable
0 of 9 tracked ZIP records scored
9
ZIP Codes
$100K
Median Home Value
$3,390
Avg Remediation (340% of 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%)

Estimated additional annual cost per homeowner: $1,254, driven primarily by flood

79.6% of homes built before 1978 (lead paint era)

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
79.6%
Pre-1978 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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,254

Flood $600/yr
Energy Code Gap $480/yr
Water / Lead $394/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).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Ontonagon County

$100K
Median Home Value
$3,390
Est. Remediation Cost
3.4%
of Home Value
Remediation as % of home value moderate burden

Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.

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 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

Designed to find the guide that fits the county, not the other way around - the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

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.

EPA water-system violation data is unavailable in the dataset used for this page for the tracked ZIP codes in Ontonagon County.

← 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?
The primary environmental risk factor in Ontonagon County is flood. This contributes to an estimated additional annual cost of $1,254 per homeowner.
How old are homes in Ontonagon County?
The median home build year in Ontonagon County is 1959. 79.6% of homes were built before 1978, which means they may contain lead-based paint and 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: August 2026.

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