Monroe County, Wisconsin
10 ZIP codes · Avg score 83/100 · Grade B
ZipCheckup grade for Monroe County: B.
This ZIP has a few items worth a quick check.
Residents of Monroe County can read the A-B grade as a starting point and then open their own ZIP report, one of 10 on this site.
How Monroe County Compares
How Monroe County Compares
Monroe County scores 13 points above the Wisconsin state average (70/100) and 10 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
ZIP Code Risk Map
Water Quality Map: Monroe County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 11.2%, diabetes 12.8%)
Modeled additional annual cost estimate per homeowner: $701, largest modeled factor: Flood
50% of homes built before 1980 (lead paint was banned for residential use in 1978)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
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: $701
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
19,739 housing units in Monroe County
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 Monroe County
Modeled remediation costs in Monroe 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 Monroe County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Monroe County ZIP codes
3 community water systems mapped to Monroe County ZIP codes; EPA may list more systems serving the county.
- B
- B
Systems with the most violations in Monroe County
2 water systems with violations in EPA records.
- B
All ZIP Codes in Monroe County
10 ZIP codes tracked in Monroe County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 54656 | Sparta | 83 | B | 0 | $201K |
| 2 | 54660 | Tomah | 83 | B | 1 (1 health) | $188K |
| 3 | 54619 | Cashton | — | — | 4 (1 health) | $217K |
| 4 | 54620 | Cataract | — | — | — | |
| 5 | 54638 | Kendall | — | — | $259K | |
| 6 | 54648 | Norwalk | — | — | $173K | |
| 7 | 54649 | Oakdale | — | — | — | |
| 8 | 54662 | Tunnel City | — | — | — | |
| 9 | 54666 | Warrens | — | — | $193K | |
| 10 | 54670 | Wilton | — | — | $217K |
Recommended Buyer Guides for Monroe County
The guides listed here are chosen from this county's data, and the short note beside each one says why it made the list.
- Best Lead Paint Test Kits — 50% of homes built before 1980
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Monroe County, Wisconsin
Overview
Monroe County in Wisconsin covers 10 tracked ZIP records with an average Home Safety Score of B (83/100) across 2 scored records.
2 of 3 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 Wisconsin Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.