COUNTY REPORT MI

Iosco 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
$140K
Median Home Value
$1,400
Avg Remediation (100% of home value)

ZIP Code Risk Map

Water Quality Map: Iosco 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: 17.1 (asthma 11.6%, diabetes 15.9%)

Estimated additional annual cost per homeowner: $1,379, driven primarily by flood

76.3% of homes built before 1978 (lead paint era)

Violation History (2024–2025)

→ Stable trend

EPA violation counts by year across Iosco County water systems. Health-based shown in red, total in blue.

2024
2 (2 health)
2025
1 (1 health)

Peak year: 2024 with 2 violations. Past 5 years: 3 total (3 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 11.6% (national: 8.9%)
Diabetes 15.9% (national: 10.5%)
Obesity 38.8% (national: 32.4%)

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

Infrastructure Overview

1976
Median Build Year
76.3%
Pre-1978 Housing
43/100
Infrastructure Stress Indicator
44%
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: $1,379

Flood $1,133/yr
Energy Code Gap $405/yr
Wildfire $267/yr

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

Housing Age Distribution

21,869 housing units in Iosco County

Pre-1940 7%
1940–1959 24%
1960–1979 37%
1980–1999 22%
2000+ 11%

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 Iosco County

$140K
Median Home Value
$1,400
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Iosco 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 Iosco County residents

Asthma 11.6% (US avg: 8.9%)
Diabetes 15.9% (US avg: 11%)
Obesity 38.8% (US avg: 32.4%)

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

Water systems serving Iosco County

6 community water systems serving Iosco County.

Systems with the most violations in Iosco County

1 water system with recorded EPA violations.

All ZIP Codes in Iosco County

9 ZIP codes tracked in Iosco County.

# ZIP Code City Safety Score Grade Violations Home Value
1 48730 East Tawas 0 $140K
2 48739 Hale $171K
3 48743 Long Lake
4 48748 National City 0 $143K
5 48750 Oscoda 0 $111K
6 48761 South Branch $113K
7 48763 Tawas City 2 $154K
8 48764 Tawas City
9 48770 Whittemore $101K

Recommended Buyer Guides for Iosco County

Strictly editorial - no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

Iosco 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.

1 of 4 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 Michigan 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 Iosco County?
Iosco County is served by 6 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Iosco County?
The primary environmental risk factor in Iosco County is flood. This contributes to an estimated additional annual cost of $1,379 per homeowner.
How old are homes in Iosco County?
The median home build year in Iosco County is 1976. 76.3% 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). Iosco County, Michigan Home Safety Profile. https://zipcheckup.com/county/michigan/iosco/
BibTeX
@misc{zipcheckup-county-michigan-iosco,
  author = {{ZipCheckup}},
  title  = {{Iosco County, Michigan Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/michigan/iosco/}
}

Page version: August 2026.

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