Milwaukee County, Wisconsin
49 ZIP codes · Avg score 82/100 · Grade B · Updated
ZipCheckup grade for Milwaukee County: B.
This ZIP looks solid, with a few items worth a quick check.
Although county size varies, Milwaukee County's 49 ZIP codes share reliably safe tap water records and above-average compliance scores.
How Milwaukee County Compares
How Milwaukee County Compares
Milwaukee County scores 12 points above the Wisconsin state average (70/100) and 9 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 Last verified:
ZIP Code Risk Map
Water Quality Map: Milwaukee County, Wisconsin
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.1 (asthma 11.8%, diabetes 13.1%)
Estimated additional annual cost per homeowner: $2,013, driven primarily by flood
82.4% of homes built before 1978 (lead paint era)
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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,013
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
423,814 housing units in Milwaukee 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 Milwaukee County
Remediation costs are relatively manageable for most homeowners in Milwaukee 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 Milwaukee County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Milwaukee County
8 community water systems serving Milwaukee County.
- B
- B
- B
- C
- B
- B
Show all 8 water systems
- B
- B
17 total water systems serve Milwaukee County.
Systems with the most violations in Milwaukee County
5 water systems with recorded EPA violations.
- C
- B
- B
- B
- B
All ZIP Codes in Milwaukee County
49 ZIP codes tracked in Milwaukee County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 53110 | Cudahy | 83 | B | 0 | $201K |
| 2 | 53130 | Hales Corners | 83 | B | 2 | $290K |
| 3 | 53172 | South Milwaukee | 83 | B | 1 | $216K |
| 4 | 53202 | Milwaukee | 83 | B | 0 | $298K |
| 5 | 53203 | Milwaukee | 83 | B | 0 | $335K |
| 6 | 53204 | Milwaukee | 83 | B | 0 | $106K |
| 7 | 53205 | Milwaukee | 83 | B | 0 | $122K |
| 8 | 53206 | Milwaukee | 83 | B | 0 | $71K |
| 9 | 53207 | Milwaukee | 83 | B | 1 | $229K |
| 10 | 53208 | Milwaukee | 83 | B | 0 | $196K |
| 11 | 53209 | Milwaukee | 83 | B | 0 | $150K |
| 12 | 53210 | Milwaukee | 83 | B | 0 | $153K |
| 13 | 53212 | Milwaukee | 83 | B | 0 | $204K |
| 14 | 53213 | Milwaukee | 83 | B | 0 | $311K |
| 15 | 53214 | Milwaukee | 83 | B | 0 | $179K |
| 16 | 53215 | Milwaukee | 83 | B | 0 | $148K |
| 17 | 53216 | Milwaukee | 83 | B | 0 | $123K |
| 18 | 53218 | Milwaukee | 83 | B | 0 | $122K |
| 19 | 53219 | Milwaukee | 83 | B | 0 | $190K |
| 20 | 53220 | Milwaukee | 83 | B | 2 | $219K |
| 21 | 53222 | Milwaukee | 83 | B | 0 | $202K |
| 22 | 53224 | Milwaukee | 83 | B | 0 | $195K |
| 23 | 53225 | Milwaukee | 83 | B | 0 | $175K |
| 24 | 53226 | Milwaukee | 83 | B | 0 | $301K |
| 25 | 53227 | Milwaukee | 83 | B | 0 | $214K |
| 26 | 53228 | Milwaukee | 83 | B | 2 | $255K |
| 27 | 53233 | Milwaukee | 83 | B | 0 | $133K |
| 28 | 53295 | Milwaukee | 83 | B | 0 | — |
| 29 | 53132 | Franklin | 82 | B | 1 | $346K |
| 30 | 53154 | Oak Creek | 81 | B | 4 (1 health) | $305K |
| 31 | 53221 | Milwaukee | 81 | B | 4 | $206K |
| 32 | 53211 | Milwaukee | 67 | C | 16 (2 health) | $414K |
| 33 | 53217 | Milwaukee | 67 | C | 17 (2 health) | $426K |
| 34 | 53129 | Greendale | — | — | $288K | |
| 35 | 53201 | Milwaukee | — | — | — | |
| 36 | 53223 | Milwaukee | — | — | $184K | |
| 37 | 53234 | Milwaukee | — | — | — | |
| 38 | 53235 | Saint Francis | — | — | $207K | |
| 39 | 53237 | Milwaukee | — | — | — | |
| 40 | 53244 | Milwaukee | — | — | — | |
| 41 | 53259 | Milwaukee | — | — | — | |
| 42 | 53263 | Milwaukee | — | — | — | |
| 43 | 53267 | Milwaukee | — | — | — | |
| 44 | 53268 | Milwaukee | — | — | — | |
| 45 | 53274 | Milwaukee | — | — | — | |
| 46 | 53278 | Milwaukee | — | — | — | |
| 47 | 53288 | Milwaukee | — | — | — | |
| 48 | 53290 | Milwaukee | — | — | — | |
| 49 | 53293 | Milwaukee | — | — | — |
Recommended Buyer Guides for Milwaukee County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Water Filters for Lead — Lead above EPA action level in 2 ZIP codes
- Best Lead Paint Test Kits — 82.4% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Milwaukee County, Wisconsin
Overview
Milwaukee County in Wisconsin covers 49 tracked ZIP records with an average Home Safety Score of B (82/100) across 33 scored records.
10 of 33 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 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.