Cecil County, Maryland
18 ZIP codes · Avg score 71/100 · Grade B · Updated
ZipCheckup grade for Cecil County: B.
This ZIP looks solid, with a few items worth a quick check.
Within Cecil County, all 18 tracked ZIP codes show above-average drinking water safety - violations are infrequent and typically minor.
How Cecil County Compares
How Cecil County Compares
Cecil County scores 2 points above the Maryland state average (69/100) and 2 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: Cecil County, Maryland
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.2 (asthma 10.5%, diabetes 13.2%)
Estimated additional annual cost per homeowner: $4,453, driven primarily by sea_level
58.3% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Cecil County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 39 violations. Past 5 years: 84 total (84 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $4,453
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
43,957 housing units in Cecil 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 Cecil County
Remediation costs are relatively manageable for most homeowners in Cecil 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 Cecil County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Cecil County
8 community water systems serving Cecil County.
- C
- C
- C
- B
- C
Show all 8 water systems
- C
- C
12 total water systems serve Cecil County.
Systems with the most violations in Cecil County
5 water systems with recorded EPA violations.
- C
- C
- C
- B
- C
All ZIP Codes in Cecil County
18 ZIP codes tracked in Cecil County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 21914 | Charlestown | 82 | B | 4 (1 health) | $301K |
| 2 | 21901 | North East | 77 | B | 16 (11 health) | $343K |
| 3 | 21903 | Perryville | 67 | C | 54 (16 health) | $272K |
| 4 | 21921 | Elkton | 58 | C | 19 (12 health) | $296K |
| 5 | 21094 | Lutherville Timonium | — | — | — | |
| 6 | 21902 | Perry Point | — | — | 39 (5 health) | — |
| 7 | 21904 | Port Deposit | — | — | 11 (10 health) | $319K |
| 8 | 21911 | Rising Sun | — | — | 14 (11 health) | $314K |
| 9 | 21912 | Warwick | — | — | 0 | $386K |
| 10 | 21913 | Cecilton | — | — | $234K | |
| 11 | 21915 | Chesapeake City | — | — | 0 | $353K |
| 12 | 21916 | Childs | — | — | — | |
| 13 | 21917 | Colora | — | — | 3 (1 health) | $362K |
| 14 | 21918 | Conowingo | — | — | 3 (1 health) | $294K |
| 15 | 21919 | Earleville | — | — | $348K | |
| 16 | 21920 | Elk Mills | — | — | 3 | $339K |
| 17 | 21922 | Elkton | — | — | — | |
| 18 | 21930 | Georgetown | — | — | — |
Recommended Buyer Guides for Cecil County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 58.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Cecil County, Maryland
Overview
Cecil County in Maryland covers 18 tracked ZIP records with an average Home Safety Score of B (71/100) across 4 scored records.
10 of 12 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 19 health-based violations appear in the available health breakdown.
← 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.