Charles County, Maryland
25 ZIP codes · Avg score 83/100 · Grade B
ZipCheckup grade for Charles County: B.
This ZIP has a few items worth a quick check.
A high composite grade for Charles County is a summary of data, not a water test, so check the report for your own ZIP code among the 25 listed.
How Charles County Compares
How Charles County Compares
Charles County scores 14 points above the Maryland state average (69/100) 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: Charles County, Maryland
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.2 (asthma 10.7%, diabetes 13.4%)
Modeled additional annual cost estimate per homeowner: $1,669, largest modeled factor: Flood
31% 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: $1,669
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
62,243 housing units in Charles 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 Charles County
Modeled remediation costs in Charles 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 Charles County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Charles County ZIP codes
8 community water systems mapped to Charles County ZIP codes; EPA may list more systems serving the county.
- B
- B
- B
- B
- B
- B
Show all 8 water systems
- B
15 water systems mapped to Charles County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Charles County
5 water systems with violations in EPA records.
- B
- B
- B
All ZIP Codes in Charles County
25 ZIP codes tracked in Charles County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 20601 | Waldorf | 83 | B | 3 | $381K |
| 2 | 20602 | Waldorf | 83 | B | 3 | $361K |
| 3 | 20603 | Waldorf | 83 | B | 3 | $431K |
| 4 | 20616 | Bryans Road | 83 | B | 1 | $345K |
| 5 | 20622 | Charlotte Hall | 83 | B | 2 | $416K |
| 6 | 20640 | Indian Head | 83 | B | 2 | $308K |
| 7 | 20695 | White Plains | 83 | B | 3 | $447K |
| 8 | 20646 | La Plata | 81 | B | 11 | $435K |
| 9 | 20604 | Waldorf | — | — | — | |
| 10 | 20611 | Bel Alton | — | — | 3 | $395K |
| 11 | 20612 | Benedict | — | — | — | |
| 12 | 20617 | Bryantown | — | — | $490K | |
| 13 | 20625 | Cobb Island | — | — | 1 | $244K |
| 14 | 20632 | Faulkner | — | — | 1 | $491K |
| 15 | 20637 | Hughesville | — | — | 1 | $533K |
| 16 | 20643 | Ironsides | — | — | — | |
| 17 | 20645 | Issue | — | — | 1 | $516K |
| 18 | 20658 | Marbury | — | — | $290K | |
| 19 | 20661 | Mount Victoria | — | — | — | |
| 20 | 20662 | Nanjemoy | — | — | $382K | |
| 21 | 20664 | Newburg | — | — | 1 | $433K |
| 22 | 20675 | Pomfret | — | — | 3 | $437K |
| 23 | 20677 | Port Tobacco | — | — | 3 | $525K |
| 24 | 20682 | Rock Point | — | — | — | |
| 25 | 20693 | Welcome | — | — | $429K |
Recommended Buyer Guides for Charles County
When no specific signal shows up in the records, the list falls back to general water testing and filtration guides rather than staying empty.
- 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 Charles County, Maryland
Overview
Charles County in Maryland covers 25 tracked ZIP records with an average Home Safety Score of B (83/100) across 8 scored records.
16 of 16 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 Maryland 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.