COUNTY REPORT MI

Marquette County, Michigan

13 ZIP codes · Avg score 76/100 · Grade B

ZipCheckup grade for Marquette County: B.

This ZIP has a few items worth a quick check.

Looking at the composite Home Safety Score, Marquette County comes out in the A-B range, and the reports for its 13 ZIP codes show which data sit behind that result.

How Marquette County Compares

Marquette County76/100
Michigan avg85/100
National avg73/100

How Marquette County Compares

B
County Grade
76/100
Avg Safety Score
13
ZIP Codes
11
Water Systems

Marquette County scores 9 points below the Michigan state average (85/100) and 3 points above the national average (73/100).

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

B
County Grade
76
Avg Safety Score
13
ZIP Codes
Best ZIP: 49849 (83/100)
Lowest ZIP: 49866 (67/100)
$150K
Median Home Value
$300
Avg Remediation (0.20% of home value)

ZIP Code Risk Map

Water Quality Map: Marquette 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: 13.1 (asthma 11.5%, diabetes 10.6%)

Modeled additional annual cost estimate per homeowner: $623, largest modeled factor: Energy Code Gap

69% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11.5% (national: 8.9%)
Diabetes 10.6% (national: 10.5%)
Obesity 36.4% (national: 32.4%)

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

Infrastructure Overview

1971
Median Build Year
69%
Pre-1980 Housing
46/100
Infrastructure Stress Indicator
75%
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: $623

Energy Code Gap $491/yr
Flood $333/yr
Water / Lead $275/yr

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

Housing Age Distribution

33,474 housing units in Marquette County

Pre-1940 20%
1940–1959 17%
1960–1979 32%
1980–1999 18%
2000+ 12%

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 Marquette County

$150K
Median Home Value
$300
Est. Remediation Cost
0.2%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Marquette County can be compared with the median property value; actual costs vary by property.

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 Marquette County residents

Asthma 11.5% (US avg: 8.9%)
Diabetes 10.6% (US avg: 11%)
Obesity 36.4% (US avg: 32.4%)

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

Water systems mapped to Marquette County ZIP codes

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

Show all 8 water systems

11 water systems mapped to Marquette County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Marquette County

5 water systems with violations in EPA records.

All ZIP Codes in Marquette County

13 ZIP codes tracked in Marquette County.

# ZIP Code City Safety Score Grade Violations Home Value
1 49849 Ishpeming 83 B 1 $146K
2 49855 Marquette 78 B 5 (2 health) $245K
3 49866 Negaunee 67 C 58 (1 health) $192K
4 49808 Big Bay — — $254K
5 49814 Champion — — $143K
6 49819 Arnold — — —
7 49833 Little Lake — — $124K
8 49841 Gwinn — — 3 $150K
9 49861 Michigamme — — $229K
10 49865 National Mine — — —
11 49871 Palmer — — $76K
12 49879 Republic — — $90K
13 49885 Skandia — — $218K

Recommended Buyer Guides for Marquette County

These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.

Overview

Marquette County in Michigan covers 13 tracked ZIP records with an average Home Safety Score of B (76/100) across 3 scored records.

4 of 4 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

← 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

Is water safe in Marquette County?
Marquette County receives an average Home Safety grade of B from its scored ZIP records (13 ZIP codes tracked); this is a composite index, not a tap-water test.
How many water systems serve Marquette County?
We map 11 public water systems to 13 ZIP codes in our data for Marquette County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Marquette County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Marquette County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $623 per homeowner; actual costs vary by home.
How old are homes in Marquette County?
The median home build year in Marquette County is 1971. 69% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.
How does Marquette County compare to Michigan?
Marquette County has an average Home Safety Score of 76/100 under model 4.0.0, which is below the Michigan state average of 85/100.

How to cite this page

APA ZipCheckup. (2026). Marquette County, MI: HSS 76/100; PFAS Found in Water. https://zipcheckup.com/county/michigan/marquette/
BibTeX
@misc{zipcheckup-county-michigan-marquette,
  author = {{ZipCheckup}},
  title  = {{Marquette County, MI: HSS 76/100; PFAS Found in Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/michigan/marquette/}
}

Page version: October 2026.

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