Jefferson County, Ohio
20 ZIP codes · Avg score 57/100 · Grade C · Updated
ZipCheckup grade for Jefferson County: C.
A mixed picture - some signals here are worth your attention.
The systems supplying Jefferson County's 20 ZIP codes vary in performance - most meet minimum standards, but violations in select areas are on record.
How Jefferson County Compares
How Jefferson County Compares
Jefferson County scores 3 points below the Ohio state average (60/100) and 16 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: Jefferson County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.9 (asthma 11.7%, diabetes 15.1%)
Estimated additional annual cost per homeowner: $2,121, driven primarily by flood
82.3% of homes built before 1978 (lead paint era)
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Jefferson County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 17 violations. Past 5 years: 23 total (23 health-based).
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: $2,121
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
31,150 housing units in Jefferson 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 Jefferson County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Jefferson County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Jefferson County
8 community water systems serving Jefferson County.
- C
- C
- C
- C
- C
Show all 8 water systems
- C
14 total water systems serve Jefferson County.
Systems with the most violations in Jefferson County
5 water systems with recorded EPA violations.
- D
- D
All ZIP Codes in Jefferson County
20 ZIP codes tracked in Jefferson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 43910 | Bloomingdale | 61 | C | 9 | $161K |
| 2 | 43913 | Brilliant | 59 | C | 8 (1 health) | $70K |
| 3 | 43953 | Steubenville | 58 | C | 11 (2 health) | $140K |
| 4 | 43964 | Toronto | 58 | C | 12 (2 health) | $122K |
| 5 | 43952 | Steubenville | 57 | C | 12 (2 health) | $122K |
| 6 | 43944 | Richmond | 53 | D | 19 (2 health) | $176K |
| 7 | 43963 | Tiltonsville | 50 | D | 29 (2 health) | $99K |
| 8 | 43901 | Adena | — | — | 21 | $108K |
| 9 | 43908 | Bergholz | — | — | $87K | |
| 10 | 43917 | Dillonvale | — | — | 38 (3 health) | $102K |
| 11 | 43926 | Empire | — | — | $56K | |
| 12 | 43930 | Hammondsville | — | — | $119K | |
| 13 | 43932 | Irondale | — | — | $157K | |
| 14 | 43938 | Mingo Junction | — | — | 21 (3 health) | $97K |
| 15 | 43939 | Mount Pleasant | — | — | $97K | |
| 16 | 43941 | Piney Fork | — | — | — | |
| 17 | 43943 | Rayland | — | — | 58 (3 health) | $113K |
| 18 | 43948 | Smithfield | — | — | $79K | |
| 19 | 43961 | Stratton | — | — | $51K | |
| 20 | 43970 | Wolf Run | — | — | — |
Recommended Buyer Guides for Jefferson 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 Lead Paint Test Kits — 82.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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 Jefferson County, Ohio
Overview
Jefferson County in Ohio covers 20 tracked ZIP records with an average Home Safety Score of C (57/100) across 7 scored records.
11 of 11 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 8 health-based violations appear in the available health breakdown.
← Back to Ohio 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.