St. Louis City, Missouri
34 ZIP codes · Avg score 70/100 · Grade B · Updated
ZipCheckup grade for St. Louis City: B.
This ZIP looks solid, with a few items worth a quick check.
Across St. Louis City's 34 ZIP codes, EPA compliance data shows above-average performance - violation rates are minimal, none of the city's systems have triggered health-based MCL exceedances in recent cycles, and the city's scores have stayed above the national baseline across every recent reporting period.
How St. Louis City Compares
How St. Louis City Compares
St. Louis City scores 2 points below the Missouri state average (72/100) and 3 points below 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: St. Louis City, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.5 (asthma 11.7%, diabetes 13.3%)
Estimated additional annual cost per homeowner: $1,310, driven primarily by flood
City Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,310
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in St. Louis City
Remediation costs are relatively manageable for most homeowners in St. Louis City, 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 St. Louis City residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving St. Louis City
2 community water systems serving St. Louis City.
- B
- B
Systems with the most violations in St. Louis City
1 water system with recorded EPA violations.
- B
Environmental Justice Indicator
St. Louis City scores in the 78th percentile on the EPA EJScreen composite index, indicating elevated environmental burden relative to the national average. Approximately 56% of residents live in areas classified as disadvantaged communities. EJScreen measures cumulative environmental and demographic factors including air quality, proximity to hazardous sites, and socioeconomic vulnerability. Learn more at EPA.gov
All ZIP Codes in St. Louis City
34 ZIP codes tracked in St. Louis City.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 63101 | Saint Louis | 70 | B | 8 | $228K |
| 2 | 63102 | Saint Louis | 70 | B | 8 | $179K |
| 3 | 63104 | Saint Louis | 70 | B | 8 | $250K |
| 4 | 63106 | Saint Louis | 70 | B | 8 | $187K |
| 5 | 63107 | Saint Louis | 70 | B | 8 | $57K |
| 6 | 63108 | Saint Louis | 70 | B | 8 | $337K |
| 7 | 63109 | Saint Louis | 70 | B | 8 | $245K |
| 8 | 63110 | Saint Louis | 70 | B | 8 | $315K |
| 9 | 63111 | Saint Louis | 70 | B | 8 | $116K |
| 10 | 63112 | Saint Louis | 70 | B | 8 | $216K |
| 11 | 63113 | Saint Louis | 70 | B | 8 | $76K |
| 12 | 63115 | Saint Louis | 70 | B | 8 | $62K |
| 13 | 63116 | Saint Louis | 70 | B | 8 | $161K |
| 14 | 63118 | Saint Louis | 70 | B | 8 | $211K |
| 15 | 63143 | Saint Louis | 70 | B | 8 | $226K |
| 16 | 63147 | Saint Louis | 70 | B | 8 | $70K |
| 17 | 63155 | Saint Louis | 70 | B | 8 | — |
| 18 | 63150 | Saint Louis | — | — | — | |
| 19 | 63156 | Saint Louis | — | — | — | |
| 20 | 63157 | Saint Louis | — | — | — | |
| 21 | 63158 | Saint Louis | — | — | — | |
| 22 | 63160 | Saint Louis | — | — | — | |
| 23 | 63163 | Saint Louis | — | — | — | |
| 24 | 63164 | Saint Louis | — | — | — | |
| 25 | 63169 | Saint Louis | — | — | — | |
| 26 | 63171 | Saint Louis | — | — | — | |
| 27 | 63178 | Saint Louis | — | — | — | |
| 28 | 63179 | Saint Louis | — | — | — | |
| 29 | 63180 | Saint Louis | — | — | — | |
| 30 | 63182 | Saint Louis | — | — | — | |
| 31 | 63188 | Saint Louis | — | — | — | |
| 32 | 63195 | Saint Louis | — | — | — | |
| 33 | 63197 | Saint Louis | — | — | — | |
| 34 | 63199 | Saint Louis | — | — | — |
Recommended Buyer Guides for St. Louis City
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 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 St. Louis City, Missouri
Overview
St. Louis City in Missouri covers 34 tracked ZIP records with an average Home Safety Score of B (70/100) across 17 scored records.
17 of 17 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 Missouri 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.